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Giftedness and ADHD

Giftedness is (actually) a technical term and refers to people with an IQ of 130 or higher (2.1 to 2.28% of all people). An IQ of 140 and higher occurs in 0.7% of all people, an IQ of 145 and higher in 0.1%.
However, this article does not use the narrow definition of giftedness, but generally refers to people with an IQ that is significantly above the average of 100.

A significantly reduced intelligence is associated with an increased risk of . This applies not only to an IQ of less than 70, but also to an IQ of 70 to 85.

Even though we know many gifted people who suffer from , our following presentation is not intended to equate and giftedness, nor to justify one with the other. However, in dealing with the topics of , giftedness and high sensitivity (according to Aron) or heightened sensitivity, we have come across an astonishing number of parallels and points of contact.

1. more common with giftedness?

A number of sources claim that people with have a lower or no higher IQ than non-affected people. Some report just below average to normally distributed intelligence with 10% of people with having an IQ of 120.
A meta-analysis suggests that only a subgroup of adults with (e.g., those with disorders) have lower general intellectual abilities compared to adults without . Another study reports a 15-point reduction in IQ in a subgroup of people with , more often female, with increased mental health problems and a possible link to complications

A more recent study shows a massively above-average incidence of symptoms in adults with an IQ of 130 and above (37%) and in 7.7% of children with an IQ of 135 and above, which is almost three times more frequent than in the control group (2.8%). Other sources report an prevalence of 15% with an IQ of 115 and above or 5 to 6% of gifted people with in the verbal IQ range, which would be significantly above average.
In 2002, a survey of 252 highly gifted association members between the ages of 5 and 30 conducted by the Baden-Württembergischer Landesverband Hochbegabung e.V. revealed a rate of 4% (80% of whom were boys) and 4.8% (83% of whom were boys), i.e. 8.8% . Limiting the survey to children with an IQ of 130 or more resulted in an rate of 6.6%. The result indicates an existing , even if the restriction to club members limits the interpretability, as people who have no problems at all with an issue that concerns them are generally less likely to have a reason to join a club. This study also reports on many studies on IQ and that confirm a .
These studies may be a reflection of the increased odds of in people with lowered IQs, such that is less likely in those with average IQs.

One study determined an average IQ of 107.88 from 511 people with . Whether the test subjects were tested with or without medication was (as is usually the case) not reported.
In a lecture, Barkley cited an IQ reduction of 7 to 10 IQ points in and justified this by stating that the same genes are involved as those for giftedness. Another study also found reduced IQ values in . The lowest IQ values were found for persistent and the (relatively) highest for late-onset . This study also did not differ according to medication status.

One study found a between high intelligence (IQ 130 and above) and a medical diagnosis:

  • increased risk of mental disorders (1.20-fold risk)
  • increased risk of diseases (1.84-fold to 4.33-fold risk)
    • : 1.8 times the risk
    • Autism spectrum: 1.2-fold risk (-IV diagnoses of autism, Asperger’s or other pervasive developmental disorders)
    • Affective disorders: 2.82-fold risk (depression, dysthymia, bipolar)
    • Anxiety disorders: 1.83-fold risk (generalized anxiety disorder, social anxiety disorder, obsessive-compulsive disorder)
    • Food allergies: 2.59 times the risk
    • Environmental allergies: 3.13 times the risk
    • Asthma: 2.08 times the risk
    • Autoimmune diseases: 1.84 times the risk

A fascinating similarity between giftedness and from a neurological perspective is reported by Eckerle.

Even if a between HB and were to be proven one day, against the background that and underachievement also correlate, it could at best be deduced that particularly high and particularly low IQs are equally associated with an increased risk of . Our hypothesis is that deviations in IQ from the mean correlate with an increased risk of .

2. Intelligence and IQ in

2.1. Definition of intelligence

Intelligence is not a fixed scientific measure, but a concept that is defined in different ways.
According to Newton and McGrew’s definition, general intelligence comprises eight broad components:

  • Fluid thinking (abstract thinking ability)
  • Crystalline general knowledge
  • Visual-spatial ability
  • Long-term memory
  • Auditory processing
  • Information processing speed
  • Short-term memory
  • Quantitative knowledge

as well as additional skills such as psychomotor skills

In his model of the “theory of multiple intelligences”, Gardner distinguishes between eight independent intelligences:

  • Linguistic
  • Musical
  • Logical-mathematical
  • Spatial (which characterizes architects, for example)
  • Physical-kinesthetic (common among athletes and dancers)
  • Natural history
  • Interpersonal intelligence (facilitates work with others)
  • Intrapersonal (ability to self-reflect)

Common parts of working memory and short-term memory correlate with intelligence. The efficiency of working memory is a decisive factor in the measure of intelligence.

Highly gifted people automate their thinking. Highly gifted people do not simply think more than normally gifted people, but they use their brain more efficiently. This more efficient use is achieved, among other things, by automating processes that normally gifted people perform with active thinking (working through individual thinking steps in the cortex) and outsourcing these automated thinking processes to the hindbrain cortex.
Automation is not something that only gifted people can do; they may be better at it.

Example: Learning to drive a car. The first few attempts are exhausting: consciously coordinating all the levers, switches, pedals and steering wheel and paying attention to the traffic at the same time is tedious. After some time and practice, however, the brain has automated these processes and you can operate the vehicle almost intuitively and concentrate fully on the traffic. Some drivers who drive very little after their driving test do not achieve this level of automation.
Anyone who has automated a process usually has considerable difficulty teaching another person these automated processes (e.g. driving a car). To do this, the person must first make themselves aware of the automated processes again.
So anyone can automate. Highly gifted people just have the ability to automate faster.

The hindbrain cortex is also the center of visual processing. It is therefore not so wrong when people who have internalized something and have achieved intuitive access to it say: “I see it”.

2.2. IQ measurements for

Among other things, the working memory of people with is impaired. Intelligence tests usually also measure working memory.
Optimal treatment, be it successful neurofeedback or medication with stimulants, relieves the IQ reduced by the symptoms (especially the massive impairment of working memory) of this burden - the of working memory is reduced.

People with often perform better on the RAVEN intelligence test than on the HAWIK. The RAVEN is geared more towards abstract thinking.

2.2.1. puts a strain on IQ / treatment can free up IQ

There is surprisingly little research on how treatment for affects IQ.

  • 2 to 5 (or 7) IQ points, which seems low to us.
  • a Swedish placebo-controlled study found a 4.5 IQ point improvement in children with aged 6-11 years after 9 months of treatment with amphetamine sulfate
  • 6.2 IQ points in total IQ after 6 months of treatment under at test compared to unmedicated test at diagnosis
    • 2.2 IQ points in the verbal part of the IQ test
    • 8.5 IQ points in the performance section of the IQ test
  • 10 IQ points in responders to neurofeedback treatment (from 112 to 122)
  • up to 20 IQ points between and inapparent (medicated) symptom state.
  • can be up to 20 IQ points in individual cases. In individual cases it can be 30 points or more, on average it could be around 10 IQ points.
    • “Stimulants can never improve intelligence as such, but they make it available again for the person with . Follow-up observations show that a drop in IQ of up to 15 % can occur in the absence of treatment, but that conversely an increase in IQ of the same magnitude can be expected with stimulant treatment.”
  • 30 IQ points in an individual case report in a forum after 3 years of therapy

One study investigated the development of IQ as a result of methylphenidate, whereby the children had not taken for at least one week, even during the control measurement.
Nevertheless, there was a increase in the overall IQ:

  • 2.9 IQ points in total IQ after 1 year of use (n = 103)

A study with n = 61,640 subjects showed that the results for admission to higher education institutions of medicated people with were significantly better (by 4.8 out of a possible 200 points) than those of non-medicated people with .

2.2.2. Questions about IQ test procedures when comparing people with with those without

One important question is:
Were the persons with whose IQ was compared with that of people without tested with or without medication? Very few studies provide information on this, which already gives rise to considerable doubts about the reliability of conclusions about the IQ of people with . Even the latest studies (2024) are silent on this question.

One of the few studies that provides information on the IQ of the test subjects and the medication of the participants came to an IQ of 109 for the participating persons with (22% of whom were unmedicated) and an IQ of 116 for the participating non-affected persons. The exclusion criterion for participation was an IQ below 80, so that there is no significance regarding the overall IQ average of people with . The study can only serve as a reason to assume that the IQ average would have been more balanced if all persons with had been medicated. However, the gap of around 5 points is consistent with other studies that did not take medication into account.

2.2.2.1. Have the persons with been tested with medication and were they optimally adjusted?

If the IQ of only medicated persons with and the average of non-affected persons is the same, the IQ results of unmedicated persons with would have to be significantly (approx. 10 IQ points) below the average of non-affected persons, because the impaired working memory (short-term memory) affects the IQ of unmedicated persons with . However, such test results are not known.
Another argument against this assumption is that in this case a reduced IQ would be a recognizable symptom of (untreated) and would therefore have been included in the diagnosis. This is also not reported.
Moreover, a comparative test with only medicated people with would have been so unusual that this would have been reported.

2.2.2.2. Were the people with tested without medication?

The following options are then available:

Option 1:

The evaluations of the IQ tests were carried out excluding the working memory component. But then the statement “The IQ of people with is the same as that of people without ” would be wrong and would have to be qualified with “if you exclude working memory”. We have not yet found such a restriction anywhere.

Option 2:

Other areas of the brain of people with can compensate for the below-average working memory.
This could be an adaptation reaction. It is generally known that the brain is able to shift tasks from “defective” brain areas to “functional” brain areas. The recovery and restoration of abilities in stroke patients through intensive training is based on this mechanism. This neuroplasticity also exists independently of a stroke.
Giftedness correlates with above-average neuroplasticity and slower growth of the cortex (later maximum cortex thickness).
The latter could be an indication that the cortex is less stressed/used/trained than in others. This in turn could possibly be a consequence of faster automation and shifting of brain functions to brain regions.
This mechanism could possibly also explain the observation that people with who are more gifted are more frequently diagnosed in adulthood (“late onset” ), when they were particularly well able to compensate for the impaired abilities of the brain regions involved in with other brain regions.

2.2.2.3. Was no attention paid to the medication?

Such tests would be useless due to the influence of impaired working memory in on IQ.
As the above-mentioned alternatives to the influence of medication were not mentioned in most of the studies, we suspect this variant.

2.2.3. Conclusions for IQ test procedures when comparing people with with those without

In our opinion, the following applies to IQ tests of people with :

For a comparison of the IQ average of people with with that of non-affected people:

  • The partial IQ measurements for working memory must be evaluated separately
  • When comparing people with with those without , only optimally medicated persons may be tested for the IQ tests of people with (medication optimally adjusted by a doctor and medication taken during the test), as otherwise the IQ test also measures the performance impairment of unmedicated instead of just the IQ alone
  • Since medication can usually only alleviate symptoms, but not completely eliminate them, even optimal medication would only provide limited real comparability
  • It would at least be interesting to see whether the respective test results would change significantly if, for the IQ matching of the test subjects, the IQ was matched once from non-affected to optimally medicated people with and once from non-affected to unmedicated people with

For the treatment of people with :

  • Successful treatment restores (at least partially) the intelligence that is actually present and impaired by the symptoms.

2.3. Influence of subtype on IQ?

According to a (single) study, the IQ of all people with was 15 points lower, and the IQ of was also significantly lower than that of the predominantly inattentive () or the predominantly hyperactive/impulsive subtype. Only in the predominantly hyperactive/impulsive subtype was the IQ comparable with the control group. However, even the abstract of the article contradicts the reported values.
Our impression is not the same.

2.4. Influence of comorbidities on IQ measurement

It should also be noted that partial performance disorders often occur as comorbidities in , including:

  • Reading and spelling difficulties (dyslexia)
  • Dysgraphia
  • Dyscalculia

Their effects can have an influence on the measurement results in the linguistic or mathematical area. When measuring the overall IQ, this could result in a value that is too low in view of the ability to think abstractly and analytically.
For a clean comparison of the IQ of persons with with non-affected people, such comorbidities would have to be excluded.
⇒ Partial performance disorders in the article

2.5. Influence of learning ability on IQ

Although IQ is basically genetically predisposed, this predisposition includes an average deviation of 21 IQ points as a random variance measure. This can be eliminated with a suitably high number of test subjects (n).
IQ tests of people with , on the other hand, cannot eliminate the fact that IQ in school children continues to be significantly

  • From the social environment and
  • From the ability to learn

is influenced.
Children who were adopted by more socially advantaged parents from a socially disadvantaged family only remained in school until the 6th grade in 17% of cases and developed an IQ 14 points higher than their biological siblings who grew up in the socially disadvantaged family of origin, 66% of whom remained in school until the 6th grade. This experience is consistent with other findings.

People with suffer symptomatically from a reduced ability to pay attention and concentrate. It is plausible that children who are less able to learn for psychological reasons also suffer limitations in IQ development (regardless of their genetic disposition to intelligence).

However, these facts cannot be easily reconciled with the statement that the IQ of persons with does not differ from that of people without .

2.6. Genes shared by and IQ

One study reports more than 30 genes with a between and IQ.

2.7. Intelligence deviation as a relevant factor for ?

The finding that the IQ of persons with is on average the same as that of people without does not necessarily mean that intelligence is not a influencing factor in relation to .
In the case of schizophrenia, it is known that normally gifted people are affected less frequently, whereas gifted and less gifted people are affected more frequently than average. The overall average of people with may again correspond to the overall average (100) - but IQ is still a factor.
Schizophrenia is also highly dependent on dopamine levels. The positive symptoms result from a dopamine level that is too high, the negative symptoms from a dopamine level that is too low. The negative symptoms show certain parallels to symptoms.

Apart from the studies cited by Simchen in which point to different “IQ types” in , we are currently unaware of any other specialist publications on such distributions in .

It is conceivable that a greater deviation in IQ, both upwards and downwards, represents a stressor in its own right insofar as this “being different” makes it more difficult to belong to groups. It is plausible that being an outsider can be a stress factor. This is why a differential diagnosis of unrecognized giftedness is common in .

is also a valid construct in the context of high intelligence. and IQ are negatively correlated for almost all phenotypic and cognitive constructs. Therefore, IQ should always be considered as a potential moderator in studies.

2.8. Speculation: Do stress and increased sensitivity train intelligence?

Rats that grow up in enriched environments develop a thicker cortex. Based on this, it is conceivable that the increased sensitivity that we perceive to correlate with and giftedness as the equivalent of enriched perception leads to a thicker cortex (which also develops later).

Enriched environments, HEE, are housing conditions with increased social interaction and sensory and motor stimulation.
Enriched environments activate the and increase performance in various behavioral tests in rodents and recovery from central nervous system damage in rats and slows neurodegenerative aging processes. This improvement was not seen in adrenalectomized rats, which cannot produce corticosterone (the main stress symptom in rodents).
Increased neurotrophin expression (e.g. nerve growth factor, NGF) and the associated increase in neurogenesis in the hippocampus are suspected as a possible cause. Furthermore, the stress-related increase in dopamine and acetylcholine in the is reduced, which promotes stress resistance. In addition, the release of the stress hormone cortisol is reduced during mild stress.

The effect of enriched environments appears to be age-dependent. Positive effects can already be seen in childhood. However, the greatest benefit was observed in middle adolescence. Enriched environments resulted in improved selective and auditory sustained attention performance, increased exploration and food-gathering behavior and a decrease in corticosterone levels as well as reduced anxiety levels.
Middle adolescence is also the period in which there is the greatest ility to the “second hit” in terms of the development of mental disorders in adulthood. This is supported by the findings of Heim and Binder, according to which stress levels in adolescence can lead to an increase in stress levels in early childhood.

Since it is known from giftedness research that IQ can change by 10 points within 10 years, and since the combination of stress sensitivity and special talent seems to occur unnaturally frequently, we have developed the hypothesis that stress has its own mechanism of action that promotes IQ.
This could explain why the character traits attributed to people with in the literature as positive traits and the traits attributed to gifted people in the literature on giftedness have such surprising similarities.
This hypothesis could be supported by the fact that mild stress leads to a slight increase in dopamine and noradrenaline levels in the (but not directly to an increased IQ). Only severe stress increases the levels in such a way that the is “switched off” and behavioral control is transferred to other areas of the brain.
More frequent mild stress could therefore increase cognitive performance. This could have an influence on IQ in certain constellations.

3. Giftedness and mental disorders

3.1. Common genetic roots of intelligence and mental disorders

Intelligence has a genetic component. Not everyone who inherits such genes is or will become highly gifted. And you don’t have to have exactly these genes or these genes to be gifted - at best, it increases the chances. People who have been given genes that are favorable for giftedness also need an (early childhood) environment that enables the manifestation, the actual development of this genetic disposition.

Up to this point, the development of giftedness is no different from the development of mental disorders: Gene disposition x environment = manifestation.
However, the link between giftedness and mental disorders, at least to certain mental disorders, goes further.
There are genes that modify the formula gene x environment = manifestation - the formula is then rather gene x environment² = manifestation.
We call these genes “chance-risk genes”. It would be more accurate to call them chance-risk gene polymorphisms, because 99% of human genes are the same, but they all differ in various subtypes (polymorphisms). In the interests of readability, we have therefore shortened the wording somewhat.

We currently know of 6 opportunity-risk genes. The most important are

  • COMT: Met158Met
  • 4: 7R
  • 5HTTPR: short

We suspect that these gene variants are the basis for increased sensitivity and therefore ility. If carriers of these genes receive special support, they develop better than other people. If carriers of these genes are neglected or mistreated, they develop worse than other people. People with are sometimes referred to (rather esoterically) as orchid children.

Chance-risk genes could also be described as genes that react particularly intensively to positive and negative environmental influences. A more detailed description of how chance-risk genes work and where to find them can be found at ⇒ How ADHD develops: genes + environment. A more detailed description of how COMT Met-158-Met influences the dopamine balance in such a way that higher mental performance and greater susceptibility to stress occur at the same time can be found at ⇒ The neurological cause of attention symptoms, section Dopamine degradation in the PFC by COMT instead of DAT

Better performance in intelligence test tasks correlated with an increased dopamine/adrenaline and noradrenaline/adrenaline ratio. However, these are blood plasma values that have no real relevance due to the impermeability of the blood-brain barrier for dopamine and noradrenaline.

Just as special support for carriers of opportunity-risk genes often leads to special achievements such as giftedness, neglect or abuse (the severity of which would not harm people without these genes = resilience) leads to particularly detrimental consequences for carriers of these genes - i.e. also to more frequent mental disorders.
Examples of this are and borderline.

Borderline correlates genetically significantly with the COMT Met158Met polymorphism, which is further enhanced when the COMT Met158Met and 5-HTTPR-short allele gene polymorphisms coincide.
It is plausible that the combination of several opportunity-risk genes further increases sensitivity and ility.

The hypothesis of Andrea Brackmann, who noticed a conspicuous number of at least partially gifted people among her borderline patients, confirms that the five times slower dopamine degradation in the due to COMT Met158Met compared to COMT Val158Val generally leads to increased mental performance and increased susceptibility to stress.

Against this background, it no longer seems inconclusive to us that genes that have such intensive effects on the psyche can cause typical character traits similar to those attributed to gifted people and people with .

3.2. Common environmental causes of intelligence and mental disorders

Newborn Brown Norway rats, which are known for their long and healthy lifespan, were separated from their mother once for 24 hours on the 3rd day of life. At the age of 30 months, they differed considerably from the siblings that remained with their mother:
The learning ability in animals that had been separated from their mother for a single 24-hour period two and a half years earlier was either particularly good or particularly poor, but barely average. In contrast, the majority of their siblings that had not been separated from their mothers had average learning ability and only some were good or poor learners (normal distribution).

3.3. Increased intelligence and sensitivity

One study suspects a between high intelligence (IQ 130 and above) and increased sensitivity.

4. Delayed cortex maturation in as in giftedness

Highly gifted people differ from normally gifted people in that the maturation of the cortex thickness is significantly delayed. This delayed development of cortex thickness is impressively similar to that of people with .

The higher the giftedness, the later the first maximum cortex thickness is reached. In highly gifted people, the first maximum cortex thickness (approx. 4.85 mm) is reached at 11.1 years, in above-average (but not highly) gifted people (4.85 mm) at 9 years, in average and weakly gifted people (4.75 mm) at around 6 years. In persons with , the peak of cortex thickness (4.85 mm) is reached at 10.5 years.

The thinner the cortex, the greater the symptoms of inattention in .
In 8 to 15 year old boys with , cortical thickness was unchanged. Further research confirms that the reduced volume in various brain areas observed in children with does not persist in adulthood. This is consistent with the finding that only a later maturation of the brain volume maxima occurs.

From the fact that the amount of noradrenaline metabolites ( degradation products) in the urine of people with normalizes with and further after puberty, parallel to the decrease in (child-typical) symptoms, it is concluded that there is a brain maturation delay in .
Such a “brain maturation delay” is also found more frequently than average in carriers of the 4-7 allele polymorphism. Increased sensitivity is associated with the 4-7 polymorphism as a risk/opportunity gene. More on this at ⇒ How ADHD develops: genes or genes + environment
Increased sensitivity, in turn, correlated very strongly with giftedness according to our earlier perception, although this is not covered by the current data known to us.

As a result, the facts described reinforce the assumption of neurological similarities between gifted people and people with .

Interestingly, higher IQ in children correlated with decreasing cerebral blood flow. This did not occur in the children with ASD with increasing IQ.

5. Similar character traits of gifted people and people with

In addition to the unpleasant symptoms, the specialist literature unanimously names a very typical bouquet of positive (character) traits of people with .
It is interesting to note that the specialist literature on gifted people also identifies special character traits in gifted people. These positive characteristics mentioned in the specialist literature on on the one hand and giftedness on the other show an astonishing and impressive degree of similarity.
Unfortunately, this correspondence is rarely discussed in the specialist literature.
In a lecture, Barkley cites a list of New Zealand characteristics that are said to be particularly characteristic of gifted people and that are almost universally different from . In our opinion, however, these are predominantly behavioral traits or leadership abilities, which also tend to describe an ideal type of performance-oriented giftedness, i.e. a kind of extreme in the spectrum of giftedness. In this section, on the other hand, we are mainly talking about character traits, which is very different from behaviors or leadership abilities.

Below is a detailed overview of the matching and differing traits, including the respective sources. However, the statements about traits in and giftedness are largely based on the subjective impression of the authors. Not all traits have been investigated in studies.

An earlier working hypothesis of ours was that these character traits may not come from or giftedness itself, but could be caused by increased sensitivity (as part of the construct of high sensitivity according to Aron).
In our opinion, is almost always accompanied by increased sensitivity. involves a weakness in stimulus filtering, whereby, in our understanding, a weakness in stimulus filtering is merely another term for increased sensitivity.
However, the hypothesis that giftedness also correlates with increased sensitivity (as part of the construct of high sensitivity according to Aron) was not supported by the data from the ADxS.org symptom test (n = 2,000, as of July 2020).
One study reports a significantly increased sensitivity in the self-perception of people with .

A helpful summary of the positive character traits of with several references can be found at ADHSpedia.

5.1. Matching traits of giftedness and

Trait HB Notes
Strong sense of justice Sense of social fairness The sense of justice seems to be even more pronounced in ASD
Sensitive
a lot of empathy for others sees so many possible alternative interpretations that appropriate social response is made difficult Empathy may be a strength of rather than
Helpfulness yes
caring yes
Good observation skills yes if interested
Focus and perspective yes if interested
Quick comprehension , if interested
Curiosity (constantly asking why)
Explorers, as such prepared to take risks yes
Diversity of interests Frequently changing interests
Open-mindedness yes yes
Open approach to others yes was only slightly increased in overall, more in individuals with attention and inhibition problems, slightly decreased in individuals with increased delay discounting and atypical working memory / verbal fluency was slightly decreased
Enthusiastic, passionate
Creativity ; also known as divergent thinking
Original problem solving divergent thinking
are good at making connections
Being able to look at things from different perspectives Also as a stressful extreme: too many aspects in the head at the same time, so that this confuses and stresses; always having to look at all sides, to the point of complicating simple things yes
Imaginative yes
Imaginative yes
Inventiveness
Aversion to monotonous tasks ; monotonous activities with many constant repetitions (memorizing vocabulary, learning notes, learning to write) seem not only boring to highly gifted people, but also contradict their way of thinking yes
rambling, digressive easily strays from the topic, becomes too detailed
Decision-making problems think about pros and cons until the discussion is over; always having to consider all sides, to the point of being unable to make a decision; too many aspects in the head at the same time, so that this confuses and stresses typical pattern, especially with subtype
Ambition yes
Perfectionism often dysfunctional perfectionism sometimes extreme with ASD
Mobile, agile, flexible yes
Spontaneity yes
Intuition yes yes
playful into old age yes
can do many things at the same time yes
Often a pronounced love of animals and nature yes yes
Often amazing knowledge / skills in areas that are of great interest yes yes also with ASD
Ability to hyperfocus (when particularly interested) up to task switching problems According to a study, unmedicated people with spent more time studying than non-affected people and less time playing computer and video games or playing with others
More intense perception ; Sensitivity to noise; Sensitive to light; Sensitive to smell; Sensitive to touch; Sensitive to pain; Emotional ; Movies can be extremely emotional Increased sensitivity; correlated with creativity
Ability to structure other people yes
Constantly energized Almost inexhaustible energy
Aversion to small talk yes
Great relief when meeting people of the same kind Mensa e.V. Self-help groups

The specialist literature also identifies typical disadvantageous character traits in gifted people. Provided one is not inclined to regard the similarities in positive traits as a coincidence, the negative traits that also occur more frequently in giftedness and could provide an indication of the cause of these traits.

Highly gifted people are said to have a communication behavior that “goes one step towards Asperger’s”.

The following character traits are frequently cited in specialist literature for highly creative people:

  • Difficult social behavior
  • Socially harsh behavior
    • E.g. by expressing perceived motives of others that are not perceived by others and that the person with may also not be aware of
  • Repellent/rough/rough
  • High psychotic personality values
  • Stronger negative affects
  • Greater stress
  • More self-oriented perfectionism

In our opinion, the list mentioned so far evokes strong associations with traits. However, a match is at least questionable for:

  • More irrational beliefs

Conspicuous features for the social environment, which often coincide in and giftedness:

  • Feeling of being isolated, of being different, of not belonging
  • Highly gifted: intellectually very highly developed, but emotionally at an age-typical level
  • : emotional development delayed compared to intellectual development
  • Constant critical questioning of authorities
  • Very individualistic
  • Tendency to want to determine situations alone

However, we consider these factors to be a consequence of being different rather than a congruent cause.

Conspicuous features in relation to work behavior and interests

  • Strong immersion in certain problems (HB: specific interests, : hyperfocus)
  • Perfectionist demands
  • Boredom to the point of refusing to work on routine tasks

Conspicuous features in Kindergarten and school

  • Boredom (with HB: even more frequent; with : with inactivity)
  • Disturbing the other children to get attention (Class clown)
  • Outsider position, the child feels misunderstood

5.2. Non-matching traits of giftedness and

5.2.1. Specific traits of

The following traits of are not typically reported in gifted individuals.

  • Great toughness / endurance
    • For
      • Physical fitness and enjoyment of exercise
    • In our opinion, however, only with a high interest or as a consequence of the treatment effect of endurance sports in
  • Warm-hearted
  • Little resentful
  • Willingness to take risks
    • For
  • Intense emotions correlate with good memory, as experiences are better remembered when intense emotions are present; however, working memory is impaired in . We are not aware of any impairment of long-term memory.
  • Love of physical work
    • In our opinion symptomatic at best as a typical stress reduction reaction in
  • Need for harmony
  • Sense for situation comedy
  • Prickly charm

In , changes in the Big 5 personality traits are reported:

  • (significantly increased)
  • (significantly reduced)
  • (reduced)
  • (reduced)
  • to experience, on the other hand, has barely changed.

Find out more at ⇒ Personality traits changed In the article ⇒ Complete list of ADHD symptoms according to manifestations in the chapter ⇒ Symptoms.

5.2.2. Specific traits of gifted people

The following traits of gifted people are not considered typical for .

  • Conspicuous features in relation to learning and thinking

    • High level of detailed knowledge and very good understanding of interrelationships
    • Unusually pronounced Vocabulary and linguistic expression
    • Early reading
    • (Early) interest in books that are well above the age level
    • Preference for independent work, high goals
    • Intrinsic motivation style

  • Conspicuous features in Kindergarten and school

    • No interest in age-appropriate activities or in the subject matter of the school year

  • Conspicuous features for the social environment

    • Barely interested in age-typical activities
    • Preference for verbal rather than physical confrontations
    • Choice of significantly older friends

5.3. No change in positive traits due to medication

medications, especially methylphenidate, do not change (positive) traits.

There is evidence that the personality profiles of people with change with long-term medication. However, the development under medication (methylphenidate) of the 81% responders changed in almost all measured dimensions away from the (unfavorable, personality disorder-associated) extremes towards a more balanced profile (which is less associated with personality disorders).
The changes consistently demonstrate a shift away from a more unstable personality towards a more stable one.

People with consistently report that they do not notice any change in their personality when dosed appropriately. The typical statement is that they are much more themselves as a result of the medication. Other perceptions arise when overdosing or when non-affected people take medication.

However, stimulants dampen the limbic system. Stimulants can therefore be associated with impaired emotionality, particularly in the case of overdose. Barkley explained in a lecture,, that stimulants can dampen emotions by the limbic system, which is not affected in per se. The higher the dosage, the more the limbic system (including the amygdala) is inhibited. This naturally reduces affect. An individually excessive stimulant dosage, especially an overdose, can therefore lead to a restricted emotional experience, which occurs in around 20 % of patients treated with stimulants.
In this context, Barkley refers to the increasingly common combination medication (stimulants and atomoxetine or stimulants and guanfacine) in order to cumulate the positive effects and spread the side effects, which are usually in different areas, and thus reduce them. In contrast to stimulants, atomoxetine does not affect the limbic system and therefore does not reduce emotional perception in this way. Atomoxetine activates the ACC and the lobe and thus directly influences executive functions. Stimulants improve attention, cognition, executive functions and working memory. They are less suitable for improving emotion regulation.

6. Differential diagnosis required

The fact that a differential diagnosis for unrecognized giftedness is necessary in cases of suspected does not reveal any neuro(physio)logical or biological connection between and giftedness. The need for differential diagnosis arises solely from the fact that unrecognized gifted people (especially with individually limited social skills) often live an outsider’s existence just like people with and do not feel that they really belong. Such an outsider position can cause massive social stress. Not belonging is the biggest stressor there is for people. It is the stressor that is set by the . In severe cases, this stress can be misinterpreted as symptoms, which should therefore be ruled out by means of differential diagnostics.
⇒ ADHD symptoms are stress symptoms

Typical forms of expression are, for example

  • Outsidedness, which is sometimes attempted to be compensated for with class clown or other roles
  • The feeling of not belonging
  • Self-esteem problems including the resulting comorbidities ranging from depression to social phobias

The hypothesis that gifted people may not have is definitely incorrect. We know a relevant number of gifted and highly gifted people who have a clear or diagnosis.

Nevertheless, there are supposed specialists, such as a specialist in psychiatry at an center in a major German city, who in 2016 sent away an academic suffering from massive , who was already successfully taking medication, after 35 minutes of questionnaire anamnesis (without any tests) with the words: “You can’t have . You have a doctorate, a degree and can live as a self-employed person. You have a doctorate and have studied and can live as a self-employed person. You can’t have .” The problems of people with read like a sample collection of symptoms.

In unrecognized gifted people (especially children), -like symptoms are attributed to problems with the social environment.

The feeling of being an outsider and not belonging can lead to reduced self-esteem Self-esteem can lead to reduced self-esteem.
Reduced self-esteem causes psychological stress.

In the case of unrecognized gifted people, underchallenge can lead to people with becoming bored and - depending on their predisposition - dreaming themselves away into an inner world ( confusability) or disrupting lessons, e.g. to get attention ( confusability). In addition, (over-)adjustment phenomena can occur if the person with seeks to “blame” themselves. This in turn can result in them deliberately working slowly or making mistakes and thus neither being recognized as highly gifted nor expressing their frustration to the outside world. Constant underchallenge and the resulting lack of motivation can lead to a complete refusal to perform.
See also: Mental saturation.

7. Giftedness and coping skills

The specialist literature on giftedness agrees that gifted people also have an above-average ability to cope due to their special abilities. Coping strategies are coping strategies to mitigate or avoid impairments or deficits (regardless of their nature or cause) through appropriate behavior. Coping strategies do not eliminate . Coping only leads to the person with being better able to deal with the symptoms or to better avoid situations in which they would suffer from the symptoms. In this respect, a high IQ can mask an existing
The coping ability resulting from a higher IQ can help to avoid the subjective suffering that is absolutely necessary for an diagnosis. We see the danger here that a giftedness-related increased coping ability can lead to the giftedness being “wasted” on compensating for the , which can deprive the person with of the opportunity to develop their abilities. Therefore, any lack of suffering in these cases should be questioned with caution.

A distinction should also be made between severity and Consequences. While a study of people with with an IQ of 120 or more found no differences in the severity of apart from slightly lower cognitive impairments and one study even found a massively higher incidence of in gifted people, most other studies came to the conclusion that high intelligence predicts less severe effects of in the future, particularly due to significantly less impaired executive functions in some cases.

If it is assumed (without reference to studies) that highly gifted people do not have more frequently than the average, the same logical deduction arises as in 1 (IQ tests and working memory in ): If highly gifted people have better coping strategies, they should have a lower rate of (diagnosed) . However, if gifted people are diagnosed with just as often as non-gifted people despite their improved coping strategies (which should mask better), then gifted people (without their coping strategies) should conversely have as often as they can make up for with coping strategies. The difference may not be too great, because even good coping skills can at best compensate for mild , make moderate bearable or mitigate the severity of the effects. Nevertheless, there is a difference.

and inattention are essentially moderated by primary intelligence and not by an attention deficit. The lower the IQ, the more manifests as impaired impulsivity and the less as attention deficit. This is somewhat at odds with the finding that higher IQ in correlated most strongly with fewer attention problems. Even with a high IQ, attention problems predicted school problems less than hyperactivity/impulsivity problems. Attention problems in highly intelligent children are exceptional and impair school performance

8. Indications of through intelligence tests?

Intelligence tests usually also measure working memory. For the differential diagnosis of for (non-)existing giftedness, only IQ tests that report the working memory values separately are therefore suitable for determining the indicator of impaired working memory. In this case, the person with must not have taken any medication.

If a new IQ test shows a increase in working memory while taking medication after the dosage has been adjusted by a doctor, this would be a strong indication of .

9. Further information on and giftedness:

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