March 10, 2021

Stigma: Public attitudes towards children and adults with ADHD

To gauge the extent of stigma towards persons with ADHD, a European research team hired a company specialized in market and social research to conduct a poll of some five thousand randomly selected Germans. Just over a thousand completed the interview, representing a response rate of only one in five. The team acknowledged, "Although non-responder bias has to be considered to be important, ethical considerations prohibited the collection of any detailed information on non-respondents." The sample had slightly more women and elderly persons, and a higher average level of educational attainment relative to the German population as a whole. Sampling weights we reused to compensate for these discrepancies.

The poll relied on computer-assisted telephone interviews. Interviews began with prerecorded vignettes of either an a12-year-old child or a 35-year-old adult exhibiting core symptoms of ADHD (such as "careless mistakes in schoolwork," "does not follow through on instructions," easily distracted by extraneous stimuli, "loses things", "leaves his place in the classroom or when sitting at the dining table"). Half of those interviewed were presented with child vignettes and half with adult vignettes. The gender of the person described varied randomly.

On a scale of one to five, respondents were asked to indicate levels of agreement with two statements: 1. "Basically, we are all sometimes like this person. It's just a question of how pronounced this state is." 2. "All in all, the problems of Robert / Anne are abnormal." For both child and adult vignettes, two out of three respondents agreed that "we are all sometimes like this person." One in three respondents considered the problems depicted in the child vignettes as abnormal. That dropped to one in four in the adult vignettes.

Next, respondents were asked whether they ever had a problem like this and whether someone among their family or close friends ever had to deal with such a problem. For both vignettes, one in four acknowledged having had a problem like this, and half said a close friend or family member had such a problem.

On the assumption that "negative emotional reactions are an important consequence of negative stereotypes, leading to separation, discrimination and status loss," respondents were probed for their specific emotional reactions. "I feel annoyed," " react angrily," and" provokes my incomprehension" were interpreted as indicating varying levels of anger. "Provokes fear" and "Makes me feel insecure" were seen as indicating fear. "I feel uncomfortable" was viewed as indicating somewhere between fear and anger. On the other hand, "I feel the need to help," "I feel pity," and "I feel sympathy" were interpreted as "pro-social" responses.

Pro-social reactions were by far the most common. Over two-thirds felt a need to help a child, and over half to help an adult, in such a situation. In both instances, almost half felt sympathy, and a half or more felt pity. On the other hand, a quarter of respondents in each case felt annoyed, and just under one in five felt uncomfortable. Almost one in seven reacted angrily to the child vignette, and almost one in six to the adult vignette. Fear was the least frequent emotional reaction.

In the case of adults, respondents were also asked about their willingness to accept the person described in the vignette in seven social situations:

·      Working together
·      As a neighbor
·      Marrying into the family
·      Introducing to a friend
·      Renting a room
·      Recommending for a job
·      Taking care of children

While three out of four respondents were willing to accept such persons as co-workers, only one in three would recommend them for a job. Two out of three would accept such persons as neighbors, and almost as many to marry into the family. Three out of five would very willingly introduce such persons to friends. Slightly over half would rent a room to them. But less than one in three would be willing to have such individuals take care of their children.

Older respondents were more likely to see the problems as "abnormal" and to seek greater social distance. Women, and respondents with higher levels of education, were less likely to see the problems as abnormal and more likely to respond in pro-social ways.

Though showing most Germans to be accepting of persons with ADHD, these findings still indicate a significant degree of stigma, though less than for other psychiatric conditions such as depression, schizophrenia, or alcohol dependence.

Sven Speerforck, Susanne Stolzenburg,Johannes Hertel, Hans J. Grabe, Maria Strauß, Mauro G. Carta, Matthias C.Angermeyer, Georg Schomerus, “ADHD, stigma and continuum beliefs: A population survey on public attitudes towards children and adults with attention deficit hyperactivity disorder,†Psychiatry Research (2019) DOI: https://doi.org/10.1016/j.psychres.2019.112570.  

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Are there Positive Aspects to ADHD?

Are there Positive Aspects to ADHD?

What are we to make of adults who exhibit the diagnostic criteria for ADHD, but are nevertheless high-functioning and successful? A trio of British investigators has just published six case studies that explore this question.  It would have been better for them to have conducted a much larger, controlled research study but, in the absence of such data in the area, these case studies are intriguing and may help guide more informative research.


The authors recruited six successful men between the ages of 30 and 65 from a National Health Service tertiary service in London. Four were in long-term relationships, with children. All had good jobs.

In open-ended taped interviews of up to an hour in length, each was asked three questions:


1.     What do you think are the advantages and disadvantages of having ADHD?
2.     Please describe a time when you felt that your ADHD helped you to achieve something?
3.     What aspects of your ADHD would you miss if it went away?

Hyper-focus in ADHD is generally considered a deficit, inset-shifting, and task-switching. But the authors report that participants associated it with productivity. One said, “I think the energy that the ADHD brain seems to have....it’s unfocused, quite scattered, chaotic and a bit random...but give that brain something that you can tune into, and it’s your interest, then all that random stuff just goes boom... I get this incredible intense concentration and that’s great for work.”
Participants also saw advantages in divergent thinking, with one stating, “I’m an artist.... a creative type... a Bohemian.... you are most likely to be a creative person if you are a divergent thinker....and not convergent... I am very creative and that’s through and through... I’m a fine art graduate, a musician, a published poet, an entrepreneur, a performer.”


All the participants reported being seen as nonconformists. Depending on a viewpoint, that can be seen as either detrimental or advantageous.
Impulsivity is a core symptom of ADHD. Participants however related it to bravery, and more specifically adventurousness, spontaneity, and thrill-seeking. One said, “thrill-seeking is an ADHD thing... I can list in my life have done white water rafting, bungee jumping, hand-glider pilot … I have done a lot in my life and achieved a lot and experienced a lot... Furthermore, I would see a lot of that as being quite positive, and a lot of that is ADHD drive.”
Another common theme was high energy and “spirit.” One participant said, “I’ve got all this energy.... a lot of energy... whatever it's to do with... nature/nurture/spiritual stuff.”


These testimonials are useful as a check on the usual narrative of impairment. ADHD does not predestine all it afflicts to an unfulfilling life. Many, often assisted by medication, still lead exciting, successful, rewarding lives.   Yet, we must be cautious in concluding that these individuals were successful because of their ADHD.  It is possible, even likely, that they had other strengths such as high intelligence that compensated for their ADHD symptoms.  We can not know from this report if their lives had been even more fulfilling or successful in the absence of ADHD.   See, for example, my blog about highly intelligent people with ADHD:  https://www.linkedin.com/pulse/20141126141502-65669938-smart-people-can-have-adhd-too/.


While the authors concede that “generalizing the findings of this study is not easy to do,” they inexplicably “also argue that the positive aspects we found are relevant to other adults with ADHD regardless of sample size, age, gender or ethnicity.”   It is not possible to draw such a definitive conclusion without a much larger sample.
On a hopeful note, they conclude, “This is a study that reaches out to people with lived experience of ADHD: service users, patients, family members, carers, partners, to say that not all symptoms of ADHD are maleficent. Recovery, high functionality, and flourishing with ADHD are possible. Too often people with lived experience hear about ADHD deficits, functional impairments, and associations with substance misuse, criminality, or other disadvantages on almost every level of life (school, work, relationships). … This study affirms the positive human qualities, assets, and attributes in ADHD that can promote and sustain high functioning and flourishing.” I fully endorse the idea that those with ADHD can have wonderful lives, especially if they receive appropriate treatment, both medical and psychological.

April 4, 2022

Advanced Economy Outlier: Even in China’s largest cities, ADHD is seldom treated with pharmaceuticals

Advanced Economy Outlier: Even in China’s largest cities, ADHD is seldom treated with pharmaceuticals

China is the outstanding economic growth story of the early twenty-first century. According to the World Bank, China has “experienced the fastest sustained expansion by a major economy in history – and has lifted more than 800 million people out of poverty.”

That expansion has been accompanied by major investments in medical research, and medical treatment capability, especially in the major urban centers that have spearheaded the boom. Life expectancy has risen from 71 in 2000 to 77 in 2019, nearing the U.S. level of 79.

Yet when it comes to pharmaceutical treatment of ADHD, China is an outlier, as revealed by a new study exploring the data in the two main medical insurance programs for its urban population.

The Urban Employee Basic Medical Insurance(UEBMI) covers both employers and employees in public and private workplaces, while the Urban Residents Basic Medical Insurance (BMI) covers the unemployed. As of 2014, these programs cover over 97% of urban residents. The China Health Insurance Research Association (CHIRA) database is a random sampling database from the UEBMI and UBMI databases.

The study population consisted of residents of the 63 cities in the CHIRA database from 2013 through 2017. Prescription prevalence was calculated by dividing the total number of patients prescribed ADHD medications in the CH IRA database by the urban population of the included cities, which was two hundred million as of 2017.

Other studies have found the prevalence of ADHD among Chinese children and adolescents to be about 6.5%, comparable to North American and European countries. Yet, the prescription prevalence of ADHD medications was 0.036% among those aged 0–14 years in 2017 in China. In other words, only about one in every two hundred youths with ADHD were being prescribed pharmaceutical treatments.

For further context, among other economically prosperous countries in Asia, Australia, North America, and Europe, the lowest prescription prevalence of ADHD medications is 0.27% in France, which is still over seven times higher than the Chinese level.

Among Chinese urban dwellers from 15 through 64 years of age, ADHD prescription prevalence in 2017 dropped by a further order of magnitude (over tenfold) to 0.003%, and among those 65 and older, to a scant 0.001%.

The Chinese study team suggested several likely contributing factors:

  • Lack of training in ADHD treatment among clinical practitioners;
  • Government fears of addiction have led to strict control of stimulant medications;
  • Discontinuation of methylphenidate production by Chinese pharmaceutical enterprises in 2009 meant having to purchase more expensive imported ADHD medications;
  • Widespread parental belief that ADHD is just “bad behavior,” not a disease requiring medication;
  • Parental reliance on alternative treatments, such as Traditional Chinese Medicine (TCM) 

April 2, 2022

Daytime Sleepiness, Cognitive Function, and Adult ADHD

What’s the relationship between daytime sleepiness and cognitive functioning in adults with ADHD?

Sleep disorders are one of the most commonly self-reported comorbidities of adults with ADHD, affecting 50 to 70 percent of them. A team of British researchers set out to see whether this association could be further confirmed with objective sleep measures, using cognitive function tests and electroencephalography (EEG).

Measured as theta/beta ratio, EEG slowing is a widely used indicator in ADHD research. While it occurs normally in non-ADHD adults at the conclusion of a day, during the day it signals excessive sleepiness, whether from obstructive sleep apnea or neurodegenerative and neurodevelopmental disorders. Coffee reverses EEG slowing, as do ADHD stimulant medications.

Study participants were either on stable treatment with ADHD medication (stimulant or non-stimulant medication) or on no medication. Participants had to refrain from taking any stimulant medications for at least 48 hours prior to taking the tests. Persons with IQ below 80 or with recurrent depression or undergoing a depressive episode were excluded.

The team administered a cognitive function test, The Sustained Attention to Response Task (SART). Observers rated on-task sleepiness using videos from the cognitive testing sessions. They wired participants for EEG monitoring.

Observer-rated sleepiness was found to be moderately higher in the ADHD group than in controls. Although sleep quality was slightly lower in the sleepy group than in the ADHD group, and symptom severity slightly greater in the ADHD group than the sleepy group, neither difference was statistically significant, indicating extensive overlap.

Omission errors in the SART were strongly correlated with sleepiness level, and the strength of this correlation was independent of ADHD symptom severity. EEG slowing in all regions of the brain was more than 50 percent higher in the ADHD group than in the control group and was highest in the frontal cortex.

Treating the sleepy group as a third group, EEG slowing was highest for the ADHD group, followed closely by the sleepy group, and more distantly by the neurotypical group. The gaps between the ADHD and sleepy groups on the one hand, and the neurotypical group on the other, were both large and statistically significant, whereas the gap between the ADHD and sleepy groups was not. EEG slowing was both a significant predictor of ADHD and of ADHD symptom severity.

The authors concluded, “These findings indicate that the cognitive performance deficits routinely attributed to ADHD … are largely due to on-task sleepiness and not exclusively due to ADHD symptom severity. … we would like to propose a simple working hypothesis that daytime sleepiness plays a major role in cognitive functioning of adults with ADHD. … As adults with ADHD are more severely sleep deprived compared to neurotypical control subjects and are more vulnerable to sleep deprivation, in various neurocognitive tasks they should manifest larger sleepiness-related reductions in cognitive performance. … One clear testable prediction of the working hypothesis would be that carefully controlling for sleepiness, time of day, and/or individual circadian rhythms would result in a substantial reduction in the neurocognitive deficits in replications of classic ADHD studies.”

March 31, 2022