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Related Experiment Video

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Automated Segmentation of Cortical Grey Matter from T1-Weighted MRI Images
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Resilience and cortical thickness: a MRI study.

Michael Kahl1, Gerd Wagner1,2, Feliberto de la Cruz1,2

  • 1Department of Psychiatry and Psychotherapy, Jena University Hospital, Jena, Germany.

European Archives of Psychiatry and Clinical Neuroscience
|December 14, 2018
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Summary
This summary is machine-generated.

Psychological resilience, the ability to process stress, is linked to brain structure. Lower resilience in healthy individuals correlates with reduced cortical thickness in brain regions processing visual emotional input.

Keywords:
Cortical thicknessFusiform gyrusInferior parietal cortexInferior temporal cortexLateral occipital cortexMiddle temporal cortexMorphologicalResilience

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Area of Science:

  • Neuroscience
  • Psychiatry
  • Brain Imaging

Background:

  • Resilience is crucial for mental health, protecting against psychiatric disorders.
  • The brain's physical characteristics (morphological correlates) associated with resilience are not well understood.
  • Understanding these correlates can offer insights into stress and trauma-related disorders.

Purpose of the Study:

  • To investigate the neuroanatomical basis of resilience in healthy individuals.
  • To explore the relationship between psychometric resilience and brain structure, specifically cortical thickness.
  • To identify brain regions associated with varying levels of resilience.

Main Methods:

  • Recruited 151 healthy participants.
  • Administered a resilience questionnaire (RS-11).
  • Acquired high-resolution T1-weighted MRI scans (3T) and analyzed cortical thickness using FreeSurfer.

Main Results:

  • Found a significant positive correlation between resilience scores and cortical thickness.
  • Identified a right-hemispheric cluster (lateral occipital, fusiform, inferior parietal, middle/inferior temporal cortex) where lower resilience was linked to reduced thickness.
  • These regions are involved in processing emotional visual input.

Conclusions:

  • Novel evidence directly links psychometric resilience to local cortical thickness.
  • Reduced cortical thickness in specific brain areas may indicate lower resilience.
  • These findings suggest that variations in these cortical regions could influence susceptibility to stress-related disorders.