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Decision Making after Traumatic Brain Injury: A Temporal Discounting Paradigm

Rodger Wood, Louise McHugh

Journal of the International Neuropsychological Society, Volume: 19, Issue: 02, Pages: 181 - 188

Swansea University Author: Rodger Wood

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DOI (Published version): 10.1017/S135561771200118X

Abstract

Objective: A temporal discounting paradigm was employed to examine decision-making for hypothetical monetary reward following traumatic brain injury (TBI). Method: A case-control design compared individuals following moderate or severe TBI with a healthy control group matched for age and gender. The...

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Published in: Journal of the International Neuropsychological Society
ISSN: 1355-6177 1469-7661
Published: Cambridge Uni Press 2013
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URI: https://cronfa.swan.ac.uk/Record/cronfa13212
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spelling 2013-09-19T21:43:42.8299894 v2 13212 2012-11-05 Decision Making after Traumatic Brain Injury: A Temporal Discounting Paradigm 7d67e475699a3b3ab820b4a5d2602dc9 Rodger Wood Rodger Wood true false 2012-11-05 SGMED Objective: A temporal discounting paradigm was employed to examine decision-making for hypothetical monetary reward following traumatic brain injury (TBI). Method: A case-control design compared individuals following moderate or severe TBI with a healthy control group matched for age and gender. The impact of intelligence, impulsivity, and mood on temporal discounting performance was examined. A within-subjects design for the TBI group determined the influence of a range of neuropsychological tests on temporal discounting performance. Results: Both patients and controls demonstrated temporal discounting. However, the TBI group discounted more than controls, suggesting that their decision making was more impulsive, consistent with ratings on the impulsiveness questionnaire. Discounting performance was independent of neuropsychological measures of intelligence, memory, and executive function. There was no relationship between temporal discounting and ratings of everyday executive function made by patient’s relatives. Low mood did not account for discounting performance.Conclusions: The results of this study suggest that temporal discounting may be a useful neuropsychological paradigm to assess decision making linked to monetary reward following TBI. Performance was relatively independent of intelligence, memory and standard tests of executive ability and may therefore assist when assessing a patient’s mental capacity to manage their financial affairs. Journal Article Journal of the International Neuropsychological Society 19 02 181 188 Cambridge Uni Press 1355-6177 1469-7661 Brain Injuries; TBI; Impulsive Behaviour; Neuropsychological Tests; Executive Function; Decision Making. 31 12 2013 2013-12-31 10.1017/S135561771200118X COLLEGE NANME Medical School - School COLLEGE CODE SGMED Swansea University 2013-09-19T21:43:42.8299894 2012-11-05T17:14:55.0341102 Faculty of Medicine, Health and Life Sciences School of Psychology Rodger Wood 1 Louise McHugh 2
title Decision Making after Traumatic Brain Injury: A Temporal Discounting Paradigm
spellingShingle Decision Making after Traumatic Brain Injury: A Temporal Discounting Paradigm
Rodger Wood
title_short Decision Making after Traumatic Brain Injury: A Temporal Discounting Paradigm
title_full Decision Making after Traumatic Brain Injury: A Temporal Discounting Paradigm
title_fullStr Decision Making after Traumatic Brain Injury: A Temporal Discounting Paradigm
title_full_unstemmed Decision Making after Traumatic Brain Injury: A Temporal Discounting Paradigm
title_sort Decision Making after Traumatic Brain Injury: A Temporal Discounting Paradigm
author_id_str_mv 7d67e475699a3b3ab820b4a5d2602dc9
author_id_fullname_str_mv 7d67e475699a3b3ab820b4a5d2602dc9_***_Rodger Wood
author Rodger Wood
author2 Rodger Wood
Louise McHugh
format Journal article
container_title Journal of the International Neuropsychological Society
container_volume 19
container_issue 02
container_start_page 181
publishDate 2013
institution Swansea University
issn 1355-6177
1469-7661
doi_str_mv 10.1017/S135561771200118X
publisher Cambridge Uni Press
college_str Faculty of Medicine, Health and Life Sciences
hierarchytype
hierarchy_top_id facultyofmedicinehealthandlifesciences
hierarchy_top_title Faculty of Medicine, Health and Life Sciences
hierarchy_parent_id facultyofmedicinehealthandlifesciences
hierarchy_parent_title Faculty of Medicine, Health and Life Sciences
department_str School of Psychology{{{_:::_}}}Faculty of Medicine, Health and Life Sciences{{{_:::_}}}School of Psychology
document_store_str 0
active_str 0
description Objective: A temporal discounting paradigm was employed to examine decision-making for hypothetical monetary reward following traumatic brain injury (TBI). Method: A case-control design compared individuals following moderate or severe TBI with a healthy control group matched for age and gender. The impact of intelligence, impulsivity, and mood on temporal discounting performance was examined. A within-subjects design for the TBI group determined the influence of a range of neuropsychological tests on temporal discounting performance. Results: Both patients and controls demonstrated temporal discounting. However, the TBI group discounted more than controls, suggesting that their decision making was more impulsive, consistent with ratings on the impulsiveness questionnaire. Discounting performance was independent of neuropsychological measures of intelligence, memory, and executive function. There was no relationship between temporal discounting and ratings of everyday executive function made by patient’s relatives. Low mood did not account for discounting performance.Conclusions: The results of this study suggest that temporal discounting may be a useful neuropsychological paradigm to assess decision making linked to monetary reward following TBI. Performance was relatively independent of intelligence, memory and standard tests of executive ability and may therefore assist when assessing a patient’s mental capacity to manage their financial affairs.
published_date 2013-12-31T03:15:09Z
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score 11.012678

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