Related Experiment Video
Updated: Oct 27, 2025

Standardized Data Acquisition for Neuromelanin-Sensitive Magnetic Resonance Imaging of the Substantia Nigra
Published on: September 8, 2021
Mechanisms underlying dorsolateral prefrontal cortex contributions to cognitive dysfunction in schizophrenia.
Jason Smucny1,2, Samuel J Dienel3,4, David A Lewis5,6
1Department of Psychiatry and Behavioral Sciences, University of California Davis Medical Center, Sacramento, CA, USA.
Schizophrenia (SZ) involves dorsolateral prefrontal cortex (DLPFC) dysfunction, impacting cognitive control and working memory. This study explores how cellular changes in the DLPFC contribute to SZ pathophysiology and cognitive deficits.
Area of Science:
- Neuroscience
- Psychiatry
- Cognitive Science
Background:
- Schizophrenia (SZ) is characterized by cognitive deficits, particularly in working memory and cognitive control.
- Early descriptions linked frontal lobe dysfunction to SZ, with later research implicating the dorsolateral prefrontal cortex (DLPFC).
Purpose of the Study:
- To review the role of dorsolateral prefrontal cortex (DLPFC) dysfunction in schizophrenia (SZ) pathophysiology.
- To explore how alterations in DLPFC function contribute to cognitive impairments in SZ.
- To present an integrative model of DLPFC pathophysiology in SZ.
Main Methods:
- Review of neuroscientific evidence across multiple spatial and temporal resolutions.
- Analysis of cellular, molecular, structural, and functional integrity of the DLPFC in SZ.
- Development of an integrative model linking microscale neuronal signaling to macrocircuit alterations.
Main Results:
- Dorsolateral prefrontal cortex (DLPFC) pathology is central to schizophrenia (SZ) pathophysiology.
- Alterations in DLPFC are observed at cellular, molecular, structural, and functional levels in SZ.
- A model is proposed where microscale changes influence neural activity patterns and DLPFC activation, affecting cognition.
Conclusions:
- Dorsolateral prefrontal cortex (DLPFC) dysfunction significantly contributes to cognitive deficits in schizophrenia (SZ).
- Understanding DLPFC pathophysiology across different scales is crucial for developing targeted treatments.
- Future research should focus on therapeutic strategies aimed at modulating DLPFC function in SZ.
More Related Videos
Related Concept Videos
Psychosis: Pathophysiology of Schizophrenia and Other Psychotic Disorders
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...
Biological Causes of Schizophrenia
Genetic Factors in Schizophrenia
The genetic basis of schizophrenia is strongly supported by family and twin...
Negative and Cognitive Symptoms of Schizophrenia
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,...
Role of Cerebellum and Prefrontal Cortex in Memory
Attention-Deficit/Hyperactivity Disorder
Diagnostic Criteria and Symptoms
To diagnose ADHD, symptoms must manifest before age 12 and be evident across multiple settings....
Psychological and Sociocultural Causes of Schizophrenia

