期刊
CONSCIOUSNESS AND COGNITION
卷 93, 期 -, 页码 -出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.concog.2021.103156
关键词
ADHD; Off-task thought; Mind wandering; EEG
资金
- National Center for Advancing Translational Sciences [TL1 TR002371]
- National Institute of Mental Health [R44 MH099709, K23 MH108656]
The study found that individuals with ADHD have both more off-task thought and a greater proportion of freely moving off-task thought than non-ADHD controls. This provides novel insight into the phenomenology of off-task thought and potential mechanisms underlying impairment in ADHD.
Off-task thought has been found to occur at high rates and is related to impairment in ADHD. However, off-task thought is heterogenous and it remains unclear which specific dimensions of offtask thought are more prevalent in this disorder. It is therefore important to dissociate different aspects of off-task thought in order to better understand the mechanisms underlying impairment. The current study focused on the dimension of constrained (focused) to freely moving off-task thought. Self-report and neurophysiological measures during a computerized attention tasks provided convergent evidence that individuals with ADHD not only have more off-task thought than those without, but also engaged in a greater proportion of freely moving off-task thought than non-ADHD controls. Overall, this work demonstrated differences in both the quantity and type of off-task thought in adults with ADHD. It provides novel insight into both the phenomenology of off-task thought, as well as potential mechanisms underlying impairment in ADHD.
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