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Shame proneness is associated with individual differences in temporal pole white matter structure.

Authors
  • Miyauchi, Carlos Makoto1
  • Takeuchi, Hikaru2
  • Taki, Yasuyuki2, 3, 4
  • Nakagawa, Seishu5, 6
  • Hanawa, Sugiko1
  • Sekiguchi, Atsushi7
  • Nouchi, Rui8, 9, 10
  • Sassa, Yuko2
  • Kawashima, Ryuta1, 2, 10
  • 1 Department of Functional Brain Imaging, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan. , (Japan)
  • 2 Division of Developmental Cognitive Neuroscience, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan. , (Japan)
  • 3 Division of Medical Neuroimaging Analysis, Department of Community Medical Supports, Tohoku Medical Megabank Organization, Tohoku University, Sendai, Japan. , (Japan)
  • 4 Department of Radiology and Nuclear Medicine, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan. , (Japan)
  • 5 Department of Human Brain Science, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan. , (Japan)
  • 6 Division of Psychiatry, Tohoku Medical and Pharmaceutical University, Sendai, Japan. , (Japan)
  • 7 Department of Behavioral Medicine, National Institute of Mental Health, National Center of Neurology and Psychiatry, Tokyo, Japan. , (Japan)
  • 8 Creative Interdisciplinary Research Division, Frontier Research Institute for Interdisciplinary Science, Tohoku University, Sendai, Japan. , (Japan)
  • 9 Human and Social Response Research Division, International Research Institute of Disaster Science, Tohoku University, Sendai, Japan. , (Japan)
  • 10 Smart Aging International Research Center, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan. , (Japan)
Type
Published Article
Journal
Social Neuroscience
Publisher
Informa UK (Taylor & Francis)
Publication Date
Apr 01, 2022
Volume
17
Issue
2
Pages
117–126
Identifiers
DOI: 10.1080/17470919.2022.2039287
PMID: 35130823
Source
Medline
Keywords
Language
English
License
Unknown

Abstract

Shame and guilt are distinct negative moral emotions, although they are usually regarded as overlapping affective experiences. Of these two emotions, shame is more closely related to concerns about other people's judgment, whereas guilt is more related to concerns about one's own judgment. Although some studies have tried to identify the psychological process underlying shame as opposed to guilt, there is no clear evidence of brain regions that are specifically relevant to the experience of shame rather than guilt and, more generally, self-blame. We therefore investigated associations between individual differences in shame- and guilt-proneness and the gray and white matter structures of the brain using magnetic resonance imaging and voxel-based morphometry while controlling for associations with guilt- or shame-proneness. To accomplish this goal, we enrolled 590 healthy, right-handed individuals (338 men and 252 women; age, 20.6 ± 1.8 years). We administered a questionnaire to assess shame proneness and guilt proneness. Based on our hypothesis, we found that high shame proneness was associated with decreased regional white matter density only in the right inferior temporal pole, whereas no significant region was associated with guilt. The function of this area may be important for the underlying processes differentiating shame from guilt.

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