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Cognitive development continues throughout adulthood, undergoing significant shifts across early, middle, and late stages. Individual transition occurs from adolescent idealism to pragmatic and adaptable thinking in early adulthood. During this period, individuals learn to integrate personal beliefs with the recognition that other perspectives are equally valid. Exposure to the complexities of modern society, diverse experiences, and higher education contribute to this adaptive thought process,...
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Altered Microstate Dynamics and Spatial Complexity in Late-Life Schizophrenia.

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Late-life schizophrenia (LLS) patients exhibit altered brain activity patterns, including changes in electroencephalogram (EEG) microstate dynamics and omega complexity, suggesting underlying neural disturbances.

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Area of Science:

  • Neuroscience
  • Psychiatry
  • Brain Imaging

Background:

  • Resting-state electroencephalogram (EEG) microstate and omega complexity analyses are established methods for investigating brain function.
  • These techniques are valuable for identifying aberrant neural activity in neuropsychiatric disorders.

Purpose of the Study:

  • To examine microstate dynamics and spatial complexity in individuals diagnosed with late-life schizophrenia (LLS).

Main Methods:

  • Resting-state EEG data were collected from 39 LLS patients and 40 elderly normal controls (NCs).
  • Microstate and omega complexity analyses were applied to the EEG data.

Main Results:

  • LLS patients showed significantly altered microstate durations, occurrences, and transition probabilities compared to NCs.
  • Specific findings include increased duration of microstates A and D, decreased occurrence of A, B, and C, and altered transition probabilities.
  • Global and anterior omega complexity were significantly higher in LLS patients.

Conclusions:

  • The study identified distinct alterations in microstate dynamics and omega complexity in LLS.
  • These findings suggest a disturbed neural basis contributing to the pathophysiology of LLS.