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Affective modulation of the startle reflex following traumatic brain injury

Claire Williams Orcid Logo, Rodger Wood

Journal of Clinical and Experimental Neuropsychology, Volume: 34, Issue: 9, Pages: 948 - 961

Swansea University Authors: Claire Williams Orcid Logo, Rodger Wood

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DOI (Published version): 10.1080/13803395.2012.703641

Abstract

Diminished emotional recognition, expression, and responsivity are frequent legacies of traumatic brain injury(TBI) that can have an adverse impact on relationships and psychosocial recovery. However, assessment of emotionresponsivity is often difficult because many patients lack insight into their...

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Published in: Journal of Clinical and Experimental Neuropsychology
ISSN: 1380-3395 1744-411X
Published: Informa UK Limited 2012
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URI: https://cronfa.swan.ac.uk/Record/cronfa13209
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spelling 2021-06-14T10:56:23.7683889 v2 13209 2012-11-05 Affective modulation of the startle reflex following traumatic brain injury 21dc2ebf100cf324becc27e8db6fde8d 0000-0002-0791-744X Claire Williams Claire Williams true false 7d67e475699a3b3ab820b4a5d2602dc9 Rodger Wood Rodger Wood true false 2012-11-05 HPS Diminished emotional recognition, expression, and responsivity are frequent legacies of traumatic brain injury(TBI) that can have an adverse impact on relationships and psychosocial recovery. However, assessment of emotionresponsivity is often difficult because many patients lack insight into their altered personality. To overcome thisobstacle, we used a physiological measure of emotion responsivity, the startle reflex, to examine how this can varyaccording to the affective valence of stimuli by comparing a TBI group with a matched control group. The studyalso examined whether weaknesses of attention and speed of information processing could account for differencesin startle modulation across groups. Sixty-four TBI patients and controls completed the startle reflex procedure.Participants were presented with pictures that differed in affective valence, and measures were taken of eyeblinkstartle responses to an acoustic probe. Subjective ratings of affect and arousal for each picture were obtained, andTBI patients completed measures of attention and information processing. Results revealed that the TBI groupdid not show the pattern of startle modulation observed in the control group. Whilst pleasant pictures producedthe usual attenuation of the startle response, startle responses to unpleasant pictures were significantly lower inthe TBI group than in controls. No significant correlations emerged between startle responses and performance onneuropsychological measures in the TBI group. The TBI group also rated unpleasant pictures as significantly lessarousing than did controls. The results provide partial support for a growing body of evidence that has proposedimpaired emotion responsivity following TBI. Journal Article Journal of Clinical and Experimental Neuropsychology 34 9 948 961 Informa UK Limited 1380-3395 1744-411X Traumatic brain injury; Emotion; Startle reflex; Information Processing; Attention. 1 11 2012 2012-11-01 10.1080/13803395.2012.703641 COLLEGE NANME Psychology COLLEGE CODE HPS Swansea University 2021-06-14T10:56:23.7683889 2012-11-05T16:49:02.7079016 Faculty of Medicine, Health and Life Sciences School of Psychology Claire Williams 0000-0002-0791-744X 1 Rodger Wood 2
title Affective modulation of the startle reflex following traumatic brain injury
spellingShingle Affective modulation of the startle reflex following traumatic brain injury
Claire Williams
Rodger Wood
title_short Affective modulation of the startle reflex following traumatic brain injury
title_full Affective modulation of the startle reflex following traumatic brain injury
title_fullStr Affective modulation of the startle reflex following traumatic brain injury
title_full_unstemmed Affective modulation of the startle reflex following traumatic brain injury
title_sort Affective modulation of the startle reflex following traumatic brain injury
author_id_str_mv 21dc2ebf100cf324becc27e8db6fde8d
7d67e475699a3b3ab820b4a5d2602dc9
author_id_fullname_str_mv 21dc2ebf100cf324becc27e8db6fde8d_***_Claire Williams
7d67e475699a3b3ab820b4a5d2602dc9_***_Rodger Wood
author Claire Williams
Rodger Wood
author2 Claire Williams
Rodger Wood
format Journal article
container_title Journal of Clinical and Experimental Neuropsychology
container_volume 34
container_issue 9
container_start_page 948
publishDate 2012
institution Swansea University
issn 1380-3395
1744-411X
doi_str_mv 10.1080/13803395.2012.703641
publisher Informa UK Limited
college_str Faculty of Medicine, Health and Life Sciences
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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
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description Diminished emotional recognition, expression, and responsivity are frequent legacies of traumatic brain injury(TBI) that can have an adverse impact on relationships and psychosocial recovery. However, assessment of emotionresponsivity is often difficult because many patients lack insight into their altered personality. To overcome thisobstacle, we used a physiological measure of emotion responsivity, the startle reflex, to examine how this can varyaccording to the affective valence of stimuli by comparing a TBI group with a matched control group. The studyalso examined whether weaknesses of attention and speed of information processing could account for differencesin startle modulation across groups. Sixty-four TBI patients and controls completed the startle reflex procedure.Participants were presented with pictures that differed in affective valence, and measures were taken of eyeblinkstartle responses to an acoustic probe. Subjective ratings of affect and arousal for each picture were obtained, andTBI patients completed measures of attention and information processing. Results revealed that the TBI groupdid not show the pattern of startle modulation observed in the control group. Whilst pleasant pictures producedthe usual attenuation of the startle response, startle responses to unpleasant pictures were significantly lower inthe TBI group than in controls. No significant correlations emerged between startle responses and performance onneuropsychological measures in the TBI group. The TBI group also rated unpleasant pictures as significantly lessarousing than did controls. The results provide partial support for a growing body of evidence that has proposedimpaired emotion responsivity following TBI.
published_date 2012-11-01T03:15:08Z
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score 11.036706

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