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Related Concept Videos

Brain Imaging01:14

Brain Imaging

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Brain imaging technologies provide critical insights into both the structure and function of the human brain, enabling medical professionals and researchers to diagnose, study, and treat neurological disorders or psychiatric disorders more effectively.
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Schizophrenia, a severe psychiatric disorder, arises from a complex interplay of biological factors, including genetic predisposition, structural brain abnormalities, neurotransmitter dysregulation, and developmental irregularities. These factors collectively contribute to the onset and progression of the disorder, which typically manifests in late adolescence or early adulthood.
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Related Experiment Video

Updated: Mar 25, 2026

Probing the Brain in Autism Using fMRI and Diffusion Tensor Imaging
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Surface-based brain morphometry and diffusion tensor imaging in schizoaffective disorder.

Ramón Landin-Romero1,2,3,4,5, Erick J Canales-Rodríguez1,2, Fiona Kumfor3,4,5

  • 11 FIDMAG Research Foundation Germanes Hospitalàries, Barcelona, Spain.

The Australian and New Zealand Journal of Psychiatry
|February 18, 2016
PubMed
Summary

This study reveals widespread grey and white matter abnormalities in patients with schizoaffective disorder, identified using advanced brain imaging techniques. These findings help explain the overlap between schizoaffective disorder, schizophrenia, and bipolar disorder.

Keywords:
Magnetic resonance imagingcortical thicknessdiffusion tensor imaginggrey and white matterschizoaffective disorder

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Area of Science:

  • Neuroimaging
  • Psychiatry
  • Brain Anatomy

Background:

  • Schizoaffective disorder's brain pathology, particularly grey and white matter abnormalities, is not fully understood.
  • Limited research exists on the specific structural changes in the brain associated with schizoaffective disorder.

Purpose of the Study:

  • To identify and characterize grey and white matter abnormalities in patients with schizoaffective disorder.
  • To utilize complementary structural magnetic resonance imaging (MRI) techniques for comprehensive analysis.

Main Methods:

  • Structural-T1 and diffusion MRI were performed on 45 patients with schizoaffective disorder and 45 healthy controls.
  • Surface-based brain morphometry and diffusion tensor imaging (DTI) were used to analyze cortical volume, thickness, surface area, fractional anisotropy, and mean diffusivity.

Main Results:

  • Significant differences in grey and white matter measures were found between patients and controls (p < 0.05 corrected).
  • Abnormalities in grey matter included frontal and temporal lobes, striatum, and limbic regions.
  • White matter abnormalities were detected in major tracts, including the corpus callosum and cingulum bundle.

Conclusions:

  • Widespread and consistent brain pathology is suggested by the spatial overlap of abnormalities across imaging techniques.
  • The identified brain abnormalities overlap with those seen in schizophrenia and bipolar disorder, potentially explaining clinical and etiological similarities.