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Brain Inj. 2008 Aug;22(9):715-21. doi: 10.1080/02699050802263027.

Using a temporal discounting paradigm to measure decision-making and impulsivity following traumatic brain injury: a pilot study.

Author information

1
Department of Psychology, Brain Injury Research Group, University of Wales, Swansea, UK. l.mchugh@swansea.ac.uk

Abstract

PRIMARY OBJECTIVE:

This study reports on a pilot study using a temporal discounting paradigm and a standardized impulsivity questionnaire to examine decision-making in a group of brain injured patients and age matched controls.

METHODS AND PROCEDURES:

Participants were asked to choose between a larger reward available at a specified time in the future and smaller reward available immediately.

OUTCOME AND RESULTS:

Each of the two groups demonstrated temporal discounting; that is, the subjective value of the reward decreased with increasing delay. However, the TBI group discounted more than the controls, suggesting that their decision-making was more impulsive.

CONCLUSION:

The results suggest that a temporal discounting paradigm might be a useful method of assessing decision-making after head trauma, especially in cases where capacity to make decisions about financial awards is an issue or in respect of money management generally.

PMID:
18608202
DOI:
10.1080/02699050802263027
[Indexed for MEDLINE]

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