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Related Concept Videos

Negative and Cognitive Symptoms of Schizophrenia01:30

Negative and Cognitive Symptoms of Schizophrenia

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Negative symptoms of schizophrenia indicate a reduction or absence of typical behaviors and emotional responses found in healthy individuals, while positive symptoms reflect an excess or distortion of normal functioning.
Negative Symptoms
Negative symptoms of schizophrenia manifest as deficits in normal emotional and behavioral functioning, profoundly impacting daily life. Individuals with schizophrenia often display a flat affect, characterized by a near-total absence of emotional expression,...
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Psychosis: Pathophysiology of Schizophrenia and Other Psychotic Disorders01:27

Psychosis: Pathophysiology of Schizophrenia and Other Psychotic Disorders

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Schizophrenia is a neurodevelopmental disorder whose origins are rooted in complex genetic components. Despite our burgeoning understanding, the pathophysiology of this disorder remains incompletely deciphered.
Researchers have identified genetic factors that increase susceptibility to schizophrenia, underscoring the intricate interplay between genetics and environment in disease development. At the core of schizophrenia's pathophysiology is excessive dopaminergic neurotransmission within...
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Biological Causes of Schizophrenia01:29

Biological Causes of Schizophrenia

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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.
Genetic Factors in Schizophrenia
The genetic basis of schizophrenia is strongly supported by family and twin...
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Psychological and Sociocultural Causes of Schizophrenia01:29

Psychological and Sociocultural Causes of Schizophrenia

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Schizophrenia, a complex psychiatric disorder, has been historically misunderstood. Early psychological theories attributed its origins to childhood trauma and unresponsive parenting. However, contemporary research largely rejects these notions, favoring the vulnerability-stress hypothesis. This model proposes that individuals with a genetic predisposition to schizophrenia may develop the disorder following exposure to significant environmental stressors. Notably, studies on high-risk...
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Positive Symptoms of Schizophrenia: Hallucinations and Delusions01:30

Positive Symptoms of Schizophrenia: Hallucinations and Delusions

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Schizophrenia is a complex mental health disorder that can manifest with various positive symptoms, including thought, movement, and behavior disorders. These symptoms significantly disrupt cognitive and motor functions, leading to profound effects on an individual's ability to engage with the world.
Thought Disorders
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Psychosis and Antipsychotic Drugs: Overview01:28

Psychosis and Antipsychotic Drugs: Overview

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The term "psychosis" refers to a spectrum of mental disorders characterized by abnormal thoughts, perceptions, and behaviors. It can manifest as mood disorders, dementia, delirium with psychotic features, substance-induced psychosis with psychotic features, brief psychotic disorder, delusional disorder, schizoaffective disorder, and schizophrenia. Among all these disorders, schizophrenia is the most common psychotic disorder, affecting 1% of the worldwide population. Psychotic...
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Related Experiment Video

Updated: Jun 3, 2025

Development of a Virtual Reality Assessment of Everyday Living Skills
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Exploring Cognitive Deficits and Neuromodulation in Schizophrenia: A Narrative Review.

Chien-Chen Hung1, Ko-Huan Lin1,2, Hsin-An Chang2,3

  • 1Department of Psychiatry, Tzu Chi General Hospital, Hualien 970, Taiwan.

Medicina (Kaunas, Lithuania)
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Summary

Neuromodulation techniques show promise for improving cognitive deficits in schizophrenia, offering a potential avenue beyond traditional therapies. Further research is needed to optimize treatment protocols and assess long-term effectiveness.

Keywords:
cognitive impairmentdeep brain stimulation (DBS)electroconvulsive therapyneuromodulationrepetitive transcranial magnetic stimulation (rTMS)schizophreniatranscranial alternating current stimulation (tACS)transcranial direct current stimulation (tDCS)

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Area of Science:

  • Neuroscience
  • Psychiatry

Background:

  • Cognitive deficits are a core feature of schizophrenia, impacting patient outcomes.
  • Existing treatments like pharmacotherapy and CBT have limited efficacy for cognitive impairments.

Purpose of the Study:

  • To explore the potential of neuromodulation techniques in addressing cognitive deficits in schizophrenia.
  • To highlight the need for understanding neural circuit mechanisms for improved treatment strategies.

Main Methods:

  • Review of existing evidence on neuromodulation for cognitive enhancement in schizophrenia spectrum disorders.

Main Results:

  • Neuromodulation techniques demonstrate potential for improving specific cognitive domains in schizophrenia patients.
  • Current evidence suggests therapeutic effects, but requires further investigation.

Conclusions:

  • Neuromodulation is a promising area for schizophrenia cognitive rehabilitation.
  • Further research is essential to refine treatment protocols and evaluate long-term outcomes.