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Brain Imaging Investigation of the Neural Correlates of Observing Virtual Social Interactions
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The association between perceived social support and amygdala structure.

Wataru Sato1, Takanori Kochiyama2, Yasutaka Kubota3

  • 1Department of Neurodevelopmental Psychiatry, Habilitation and Rehabilitation, Graduate School of Medicine, Kyoto University, 53 Shogoin-Kawaharacho, Sakyo, Kyoto 606-8507, Japan.

Neuropsychologia
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The brain

Keywords:
AmygdalaLateralityMagnetic resonance imaging (MRI) volumetryMultidimensional Scale of Perceived Social Support (MSPSS)Perceived social support

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Area of Science:

  • Neuroscience
  • Psychology

Background:

  • Social support is vital for well-being.
  • Neural basis of perceived social support is unknown.

Purpose of the Study:

  • Investigate the association between amygdala structure and perceived social support.
  • Hypothesize amygdala subregions (laterobasal, superficial) are linked to social support.

Main Methods:

  • Assessed perceived social support using the Multidimensional Scale of Perceived Social Support.
  • Measured amygdala volume and shape via structural MRI in 49 healthy adults.
  • Controlled for covariates: cerebral volume, sex, age, intelligence, personality.

Main Results:

  • Left amygdala volume positively correlated with perceived social support.
  • Local shape of left amygdala's laterobasal and superficial subregions also associated with perceived social support.
  • Findings remained significant after statistical adjustments.

Conclusions:

  • The left amygdala, particularly its social subregions, is structurally associated with perceived social support.
  • These findings elucidate the neural underpinnings of subjective social support.