Response Inhibition, Categorization, and Set-Shifting in College Students with ADHD Symptoms

Anne M. Murtagh, Anthony Elworthy

Shepherd University, Shepherdstown, USA.
Wake Forest University School of Medicine, Winston-Salem, USA.

DOI: 10.4236/psych.2014.57074                

Abstract

Attention-deficit/hyperactivity disorder (ADHD) in college students is not well researched nor well understood, but is likely to present special challenges to academic performance. Individuals with ADHD symptoms have sometimes been found to show deficits in executive functioning, including response inhibition, categorization and set-shifting abilities. However, the relationship between these abilities and ADHD symptoms in college students remains unclear. In the present study, the response inhibition, categorization and set-shifting abilities of college students with low (n = 15), moderate (n = 15), and high (n = 16) self-reported ADHD symptoms were compared. No overall group differences were found. It thus appears that in these important executive functions, college students with high self-reported levels of ADHD symptoms are not more impaired, as compared to those with fewer symptoms. Possibly, the group comparisons obscured a subset of students whose cognitive inhibition, categorization and set-shifting abilities are affected. Other limitations, including the use of self-report and the relatively low sample size, are discussed.

Keywords

Attention-Deficit/Hyperactivity Disorder, ADHD, Executive Functions, Cognitive Inhibition, Cognitive Flexibility

Conflicts of Interest

The authors declare no conflicts of interest.

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