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Development of a Virtual Reality Assessment of Everyday Living Skills
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Does hallucination affect vigilance performance in schizophrenia? An exploratory study.

Sudeshna Das1, Deepshikha Ray, Mallika Banerjee

  • 1Department of Health and Family Welfare, M.J.N. District Hospital, Cooch-Behar, India.

Asian Journal of Psychiatry
|October 12, 2012
PubMed
Summary
This summary is machine-generated.

Schizophrenia patients struggle with attention, especially those experiencing auditory verbal hallucinations (AVH). AVH further impairs the ability to focus and filter distractions in individuals with schizophrenia.

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Area of Science:

  • Neuroscience
  • Psychiatry
  • Cognitive Psychology

Background:

  • Schizophrenia is a complex mental disorder often associated with cognitive deficits.
  • Auditory verbal hallucination (AVH) is a common symptom in schizophrenia, but its impact on attention is not fully understood.

Purpose of the Study:

  • To investigate the role of AVH in attentional processes in schizophrenia.
  • To compare attentional deficits in schizophrenia patients with and without AVH against healthy controls.

Main Methods:

  • Utilized a vigilance task with varying complexity (spatial, frequency, color) to assess attention.
  • Included three groups: schizophrenia with AVH, schizophrenia without AVH, and healthy participants.
  • Administered the Positive and Negative Syndrome Scale (PANSS) to confirm AVH presence.

Main Results:

  • Schizophrenia patients exhibited significant attentional deficits compared to healthy individuals.
  • Patients with AVH showed greater attentional impairments than those without AVH.
  • Deficits were observed across all vigilance task conditions, indicating a broad impact on attention.

Conclusions:

  • Perceptual abnormalities, specifically AVH, exacerbate attentional deficits in schizophrenia.
  • Targeted interventions for attention may be crucial for individuals with schizophrenia and AVH.