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A longitudinal study of the relationship between personality traits and the annual rate of volume changes in regional gray matter in healthy adults

To investigate whether personality traits affect the rate of decline of gray matter volume, we analyzed the relationships between personality traits and the annual rate of changes of gray matter volume in 274 healthy community dwelling subjects with a large age range by applying a longitudinal desig... Full description

Journal Title: Human Brain Mapping December 2013, Vol.34(12), pp.3347-3353
Main Author: Taki, Yasuyuki
Other Authors: Thyreau, Benjamin , Kinomura, Shigeo , Sato, Kazunori , Goto, Ryoi , Wu, Kai , Kawashima, Ryuta , Fukuda, Hiroshi
Format: Electronic Article Electronic Article
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ID: ISSN: 1065-9471 ; E-ISSN: 1097-0193 ; DOI: 10.1002/hbm.22145
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recordid: wj10.1002/hbm.22145
title: A longitudinal study of the relationship between personality traits and the annual rate of volume changes in regional gray matter in healthy adults
format: Article
creator:
  • Taki, Yasuyuki
  • Thyreau, Benjamin
  • Kinomura, Shigeo
  • Sato, Kazunori
  • Goto, Ryoi
  • Wu, Kai
  • Kawashima, Ryuta
  • Fukuda, Hiroshi
subjects:
  • Gray Matter
  • Magnetic Resonance Imaging
  • Voxel‐Based Morphometry
  • Longitudinal
  • Personality
  • Neo‐Pi‐R
  • Big Five
ispartof: Human Brain Mapping, December 2013, Vol.34(12), pp.3347-3353
description: To investigate whether personality traits affect the rate of decline of gray matter volume, we analyzed the relationships between personality traits and the annual rate of changes of gray matter volume in 274 healthy community dwelling subjects with a large age range by applying a longitudinal design over 6 years, using brain magnetic resonance images (MRI) and the Revised NEO Personality Inventory (NEO‐PI‐R) at baseline. Brain MRI data were processed using voxel‐based morphometry with a custom template by applying the DARTEL diffeomorphic registration tool. For each subject, we used NEO‐PI‐R to evaluate the five major personality traits, including neuroticism, extraversion, openness, agreeableness, and conscientiousness. The results show that the annual rate of change in regional gray matter volume in the right inferior parietal lobule was correlated significantly and negatively with a personality of openness, which is known to be related to intellect, intellectual curiosity, and creativity adjusting for age, gender, and intracranial volume. This result indicates that subjects with a personality trait of less openness have an accelerated loss of gray matter volume in the right inferior parietal lobule, compared with subjects with a personality trait of more openness. Because the right inferior parietal lobule is involved in higher cognitive function such as working memory and creativity, a personality trait of openness is thought to be important for preserving gray matter volume and cognitive function of the right inferior parietal lobule in healthy adults. . © 2012 Wiley Periodicals, Inc.
language:
source:
identifier: ISSN: 1065-9471 ; E-ISSN: 1097-0193 ; DOI: 10.1002/hbm.22145
fulltext: fulltext
issn:
  • 1065-9471
  • 10659471
  • 1097-0193
  • 10970193
url: Link


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titleA longitudinal study of the relationship between personality traits and the annual rate of volume changes in regional gray matter in healthy adults
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subjectGray Matter ; Magnetic Resonance Imaging ; Voxel‐Based Morphometry ; Longitudinal ; Personality ; Neo‐Pi‐R ; Big Five
descriptionTo investigate whether personality traits affect the rate of decline of gray matter volume, we analyzed the relationships between personality traits and the annual rate of changes of gray matter volume in 274 healthy community dwelling subjects with a large age range by applying a longitudinal design over 6 years, using brain magnetic resonance images (MRI) and the Revised NEO Personality Inventory (NEO‐PI‐R) at baseline. Brain MRI data were processed using voxel‐based morphometry with a custom template by applying the DARTEL diffeomorphic registration tool. For each subject, we used NEO‐PI‐R to evaluate the five major personality traits, including neuroticism, extraversion, openness, agreeableness, and conscientiousness. The results show that the annual rate of change in regional gray matter volume in the right inferior parietal lobule was correlated significantly and negatively with a personality of openness, which is known to be related to intellect, intellectual curiosity, and creativity adjusting for age, gender, and intracranial volume. This result indicates that subjects with a personality trait of less openness have an accelerated loss of gray matter volume in the right inferior parietal lobule, compared with subjects with a personality trait of more openness. Because the right inferior parietal lobule is involved in higher cognitive function such as working memory and creativity, a personality trait of openness is thought to be important for preserving gray matter volume and cognitive function of the right inferior parietal lobule in healthy adults. . © 2012 Wiley Periodicals, Inc.
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abstractTo investigate whether personality traits affect the rate of decline of gray matter volume, we analyzed the relationships between personality traits and the annual rate of changes of gray matter volume in 274 healthy community dwelling subjects with a large age range by applying a longitudinal design over 6 years, using brain magnetic resonance images (MRI) and the Revised NEO Personality Inventory (NEO‐PI‐R) at baseline. Brain MRI data were processed using voxel‐based morphometry with a custom template by applying the DARTEL diffeomorphic registration tool. For each subject, we used NEO‐PI‐R to evaluate the five major personality traits, including neuroticism, extraversion, openness, agreeableness, and conscientiousness. The results show that the annual rate of change in regional gray matter volume in the right inferior parietal lobule was correlated significantly and negatively with a personality of openness, which is known to be related to intellect, intellectual curiosity, and creativity adjusting for age, gender, and intracranial volume. This result indicates that subjects with a personality trait of less openness have an accelerated loss of gray matter volume in the right inferior parietal lobule, compared with subjects with a personality trait of more openness. Because the right inferior parietal lobule is involved in higher cognitive function such as working memory and creativity, a personality trait of openness is thought to be important for preserving gray matter volume and cognitive function of the right inferior parietal lobule in healthy adults. . © 2012 Wiley Periodicals, Inc.
doi10.1002/hbm.22145
pages3347-33453
date2013-12