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Brain Injury Volume 19, 2005 - Issue 12
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Original Paper

Attentional deficits in concussion

P. van Donkelaar Department of Human Physiology, University of Oregon, Eugene, OR, USA; Institute of Neuroscience, University of Oregon, Eugene, OR, USACorrespondence[email protected]
,
J. Langan Department of Human Physiology, University of Oregon, Eugene, OR, USA; Institute of Neuroscience, University of Oregon, Eugene, OR, USA
,
E. Rodriguez Department of Human Physiology, University of Oregon, Eugene, OR, USA; Institute of Neuroscience, University of Oregon, Eugene, OR, USA
,
A Drew Department of Human Physiology, University of Oregon, Eugene, OR, USA; Institute of Neuroscience, University of Oregon, Eugene, OR, USA
,
C. Halterman Department of Human Physiology, University of Oregon, Eugene, OR, USA; Institute of Neuroscience, University of Oregon, Eugene, OR, USA
,
L. R. Osternig Department of Human Physiology, University of Oregon, Eugene, OR, USA
&
L.-S. Chou Department of Human Physiology, University of Oregon, Eugene, OR, USA
 show all
Pages 1031-1039 | Received 01 Jul 2004, Accepted 14 Feb 2005, Published online: 24 Mar 2010
 
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Abstract

Primary objective: The purpose of the present study was to examine deficits in the alerting, orienting and executive components of attention in individuals who have recently suffered a concussion.

Research design: A group design was used in which the performance by individuals with concussion was compared to control subjects matched for age, height, weight and activity level.

Methods and procedures: Participants completed the Attentional Network Test (ANT) that breaks down attention into alerting, orienting and executive components. Reaction time and response accuracy were the dependent variables.

Main outcomes and results: It was found that only the orienting and executive components of attention were affected by concussion, whereas the alerting component was normal. Furthermore, participants with concussion required a significantly longer time than controls to initiate correct responses.

Conclusions: These results suggest that the orienting and executive components of attention are most susceptible to the effects of concussion.

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