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Related Experiment Videos

[Working memory in schizophrenia: a review].

O Kebir1, K Tabbane

  • 1Unité de recherche processus cognitifs dans la pathologie psychiatrique, service de psychiatrie B, H. Razi, La Manouba, Tunisia.

L'Encephale
|June 19, 2008
PubMed
Summary
This summary is machine-generated.

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Schizophrenia patients exhibit working memory deficits across all subsystems. These impairments correlate with negative symptoms and educational level, and may be early markers of vulnerability. Cognitive training shows lasting improvement.

Area of Science:

  • Cognitive Neuroscience
  • Psychiatry
  • Neuroimaging

Context:

  • Working memory, crucial for prefrontal cortex function, involves a central executive and subsystems like the phonological loop and visuospatial sketchpad.
  • Schizophrenia is characterized by working memory deficits affecting all subsystems, independent of age, gender, or positive symptoms.
  • These deficits correlate with lower educational levels, negative symptoms, and disorganization.

Purpose:

  • To review evidence on working memory deficits in schizophrenia.
  • To explore the neurobiological underpinnings and potential therapeutic interventions for working memory dysfunction in schizophrenia.

Summary:

  • Patients with schizophrenia demonstrate significant deficits in all working memory subsystems.
  • Neuroimaging reveals altered dorsolateral-prefrontal cortex activation during working memory tasks.

Related Experiment Videos

  • Working memory impairments are early indicators in schizophrenia, linked to social skills and learning capacity, and may serve as vulnerability markers.

    • Impact:

    • Working memory deficits in schizophrenia are associated with reduced social skills and learning capacity.
    • Potential therapeutic targets include dopaminergic D1, adrenergic alpha-2A, and nicotinic receptors.
    • Cognitive exercises and certain antipsychotics show promise in improving working memory, with cognitive training demonstrating persistent effects.