Related Experiment Video
Updated: Jan 21, 2026
08:20
Measuring Neural Mechanisms Underlying Sleep-Dependent Memory Consolidation During Naps in Early Childhood
Published on: October 2, 2019
12.5K
Mechanisms Underlying Visuospatial Working Memory Impairments in Schizophrenia.
1Department of Psychology, Vanderbilt University, Nashville, TN, USA.
Current Topics in Behavioral Neurosciences
|August 14, 2019
Summary
Working memory deficits are common in schizophrenia and its early stages. This research explores the causes, including perception and attention, and suggests noninvasive treatments to improve cognitive function.
Area of Science:
- Neuroscience
- Psychiatry
- Cognitive Psychology
Background:
- Working memory deficits are a hallmark of schizophrenia, present from the prodromal stage.
- These cognitive impairments significantly impact functional outcomes in individuals with schizophrenia.
- Addressing working memory is crucial for developing effective schizophrenia treatments.
Purpose of the Study:
- To examine the mechanisms underlying working memory deficits in schizophrenia.
- To investigate the roles of perception and attention in the encoding process of working memory.
- To discuss neural oscillations and internal noise in the etiology of these deficits and explore noninvasive treatments.
Main Methods:
- Review of existing literature on working memory in schizophrenia.
- Analysis of the contribution of perceptual and attentional processes to encoding deficits.
- Discussion of neural oscillation and internal noise theories.
Main Results:
- Perception and attention play critical roles in the encoding deficits observed in schizophrenia.
- Neural oscillations and internal noise are implicated in the etiology of working memory impairments.
- Noninvasive strategies targeting encoding processes show potential for therapeutic benefit.
Conclusions:
- Understanding the encoding process is key to addressing working memory deficits in schizophrenia.
- Neural mechanisms like oscillations and noise offer targets for intervention.
- Noninvasive treatments hold promise for improving cognitive function in schizophrenia.
Related Concept Videos
01:17Schizophrenia
804
Schizophrenia, a term introduced by Swiss psychiatrist Eugen Bleuler in 1911, describes a severe psychological disorder marked by profound disruptions in attention, thought processes, language, emotion, and interpersonal relationships. The core feature of schizophrenia is psychosis — a state characterized by a fundamental detachment from reality. This disconnection manifests through distorted logic, impaired perception, and atypical behavior, severely affecting the lives of those...
804
01:29Biological Causes of Schizophrenia
519
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...
Genetic Factors in Schizophrenia
The genetic basis of schizophrenia is strongly supported by family and twin...
519
01:29Psychological and Sociocultural Causes of Schizophrenia
484
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...
484
01:30Negative and Cognitive Symptoms of Schizophrenia
485
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,...
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,...
485
01:26Positive Symptoms Schizophrenia: Hallucinations and Delusions
506
Schizophrenia is a complex psychiatric disorder characterized by a range of symptoms that significantly impact cognition, behavior, and emotional regulation. Among these, the positive symptoms stand out as they involve the addition or exaggeration of normal mental functions, deviating markedly from typical behavior and perception. Hallucinations and delusions are prominent positive symptoms, each profoundly affecting the individual's experience of reality.
Hallucinations
Hallucinations in...
Hallucinations
Hallucinations in...
506
01:30Positive Symptoms of Schizophrenia: Hallucinations and Delusions
575
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
Disorganized and unusual thought processes mark thought disorders in schizophrenia. One key feature is disorganized speech, where an individual's conversation includes...
Thought Disorders
Disorganized and unusual thought processes mark thought disorders in schizophrenia. One key feature is disorganized speech, where an individual's conversation includes...
575