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Related Experiment Video

Updated: Jun 30, 2026

Inter-Brain Synchrony in Open-Ended Collaborative Learning: An fNIRS-Hyperscanning Study
04:44

Inter-Brain Synchrony in Open-Ended Collaborative Learning: An fNIRS-Hyperscanning Study

Published on: July 21, 2021

Disrupted sensory interhemispheric synchronization in schizophrenia: a frequency-resolved VMHC analysis.

Lei Peng1, Huiyun He1, Zhi Huang1

  • 1The Clinical Hospital of Chengdu Brain Science Institute, Ministry of Education (MOE) Key Lab for Neuroinformation, University of Electronic Science and Technology of China, Chengdu, China.

Frontiers in Psychiatry
|June 29, 2026
PubMed
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Schizophrenia patients show reduced brain connectivity, especially in sensory areas, with specific frequency disruptions. These findings highlight altered sensory processing and integration in schizophrenia.

Area of Science:

  • Neuroscience
  • Psychiatry
  • Medical Imaging

Background:

  • Aberrant interhemispheric functional connectivity is linked to schizophrenia.
  • Voxel-mirrored homotopic connectivity (VMHC) measures interhemispheric synchronization.
  • Frequency-specific VMHC alterations in schizophrenia are not well understood.

Purpose of the Study:

  • To investigate frequency-specific alterations in VMHC in schizophrenia.
  • To identify how different frequency bands (slow-4, slow-5) contribute to disrupted connectivity.

Main Methods:

  • Analyzed resting-state fMRI data from schizophrenia patients and healthy controls.
  • Computed VMHC across different frequency bands, focusing on slow-4 and slow-5 oscillations.
  • Assessed group differences and group-by-frequency interactions.
Keywords:
fMRIfrequency-bandprimary networkschizophreniavoxel-mirrored homotopic connectivity

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Inter-Brain Synchrony in Open-Ended Collaborative Learning: An fNIRS-Hyperscanning Study
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How to Calculate and Validate Inter-brain Synchronization in a fNIRS Hyperscanning Study

Published on: September 8, 2021

Main Results:

  • Schizophrenia patients had significantly reduced VMHC in sensory networks (visual, sensorimotor).
  • VMHC was higher at slow-5 than slow-4 in visual and subcortical regions.
  • Significant group-by-frequency interactions showed reduced slow-4 VMHC in schizophrenia patients.

Conclusions:

  • Schizophrenia involves frequency-dependent reductions in interhemispheric connectivity, particularly in sensory systems.
  • Disrupted integration of perceptual and motor processes is a core feature of schizophrenia.
  • Frequency-resolved VMHC analysis is valuable for understanding network dysfunction in schizophrenia.