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Related Experiment Videos

DISC1 and neurocognitive function in schizophrenia.

Katherine E Burdick1, Colin A Hodgkinson, Philip R Szeszko

  • 1Department of Psychiatry Research, The Zucker Hillside Hospital, North Shore-Long Island Jewish Health System, Glen Oaks, New York, USA. kburdick@lij.edu

Neuroreport
|August 2, 2005
PubMed
Summary
This summary is machine-generated.

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Disrupted-in-schizophrenia 1 (DISC1) gene variants are linked to neurocognitive deficits in schizophrenia patients. This genetic factor influences visual search and memory, impacting brain function.

Area of Science:

  • Neuroscience
  • Psychiatric Genetics

Background:

  • Convergent evidence implicates DISC1 in central nervous system functioning.
  • Previous research identified an association between DISC1 and schizophrenia, schizoaffective disorder, and bipolar disorder.
  • Limited data exist on DISC1's impact on neurocognition.

Purpose of the Study:

  • To investigate the relationship between DISC1 gene single-nucleotide polymorphisms (SNPs) and neurocognitive performance in schizophrenia patients.
  • To determine if specific DISC1 SNPs associated with schizophrenia risk also affect cognitive functions.

Main Methods:

  • Analysis of five single-nucleotide polymorphisms (SNPs) in the DISC1 gene.
  • Neurocognitive assessment in 250 patients diagnosed with schizophrenia.
  • Statistical control for age and premorbid intellectual capacity.

Related Experiment Videos

Main Results:

  • DISC1 genotype significantly correlated with neurocognitive performance.
  • Specific associations observed in rapid visual search and verbal working memory tasks.
  • DISC1 genotype explained 3%-4% of the variance in neurocognitive measures.

Conclusions:

  • The DISC1 gene is associated with neurocognitive functioning in individuals with schizophrenia.
  • DISC1 may play a role in cognitive deficits observed in schizophrenia.
  • Further research into DISC1's neurobiological mechanisms is warranted.