Attentional blink in adolescents with varying levels of impulsivity
We explore the temporal attention function in a non-clinical sample of adolescents varying in impulsivity, as assessed with the Barratt Impulsiveness Scale. In a Rapid Serial Visual Presentation task, in which two targets (T 1 and T 2) were presented in close temporal proximity among distractors, pa...
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Published in | Journal of psychiatric research Vol. 39; no. 2; pp. 197 - 205 |
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Main Authors | , , , |
Format | Journal Article |
Language | English |
Published |
Oxford
Elsevier Ltd
01.03.2005
Elsevier |
Subjects | |
Online Access | Get full text |
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Summary: | We explore the temporal attention function in a non-clinical sample of adolescents varying in impulsivity, as assessed with the Barratt Impulsiveness Scale. In a Rapid Serial Visual Presentation task, in which two targets (T
1 and T
2) were presented in close temporal proximity among distractors, participants tried to identify T
1 and detect T
2 in one (dual-task) experiment and only to detect T
2 in a second, control (single-task) experiment. The sensitivity of T
2 detection was analyzed using signal detection theory. The attentional blink – the impairment in T
2 detection following the identification of T
1 – was increased in magnitude and protracted in adolescents with high impulsivity, compared with those with low impulsivity. Moreover, a few more participants with high impulsivity appeared to have a blink temporally weighing toward a later time, an observation also made in children with attention deficit hyperactivity disorder (ADHD) in an earlier study. Taken together, these findings suggest impairment in temporal attention in adolescents with high impulsivity. As in ADHD children, a gating deficit may play a central role in this attention impairment. |
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Bibliography: | ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23 |
ISSN: | 0022-3956 1879-1379 |
DOI: | 10.1016/j.jpsychires.2004.06.003 |