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Gently restless: association of ADHD-like traits with response inhibition and interference control.
- Source :
- European Archives of Psychiatry & Clinical Neuroscience; Dec2015, Vol. 265 Issue 8, p689-699, 11p, 4 Charts, 1 Graph
- Publication Year :
- 2015
-
Abstract
- Impairment of inhibition-related functions is one of the most pronounced cognitive deficits found in attention-deficit/hyperactivity disorder (ADHD). Compelling evidence from studies of unaffected relatives of patients with ADHD and of ADHD-like traits in healthy subjects suggest the continuous distribution of ADHD symptoms in the population. A more subtle inhibitory deficit can also be found in healthy relatives of patients and in subjects with high ADHD-like traits. Here, we examined the relationship between inhibitory performance and ADHD-like traits, for the first time, in a large sample of healthy adults by applying multiple, widely used tests of inhibition-related functions. ADHD-like traits, in general, were independently predicted by Stroop interference score and, at trend level, by go/no-go commission error rate while controlling for socio-demographic factors, verbal intelligence and neuroticism. Additionally, higher inattentive traits were related to worse Stroop performance at trend level, and higher hyperactive/impulsive traits were significantly associated with more go/no-go commission errors. ADHD-like traits were strongly related to neuroticism. The study shows that individual differences in ADHD-like traits are related to variance in fundamental inhibition-related functions over and above effects of negative affect regulation, but the relationships tend to be small. The results suggest the quasi-dimensionality of ADHD and raise further questions about the relationship between genetic factors and the deficit of inhibition-related functions in the ADHD spectrum. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 09401334
- Volume :
- 265
- Issue :
- 8
- Database :
- Complementary Index
- Journal :
- European Archives of Psychiatry & Clinical Neuroscience
- Publication Type :
- Academic Journal
- Accession number :
- 110340265
- Full Text :
- https://doi.org/10.1007/s00406-014-0531-7