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Related Concept Videos

Working Memory01:24

Working Memory

421
Working memory refers to a combination of components, including short-term memory and attention, that allow an individual to hold information temporarily as we perform cognitive tasks. It is an essential cognitive function that enables the execution of complex tasks such as problem-solving, comprehension, and reasoning. Unlike short-term memory, which simply involves the storage of information for a brief period, working memory involves the active manipulation and processing of this...
421
Schizophrenia01:17

Schizophrenia

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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...
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Role of Hippocampus in Memory01:19

Role of Hippocampus in Memory

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The hippocampus, a critical brain structure, plays an essential role in memory processing, particularly in the formation and retrieval of memory. This small, seahorse-shaped region is located within the medial temporal lobe, with one hippocampus in each brain hemisphere. Experimental studies involving lesions in the hippocampi of rats have demonstrated significant impairments in tasks such as object recognition and maze navigation, indicating the hippocampus involvement in both recognition and...
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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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Storage01:23

Storage

128
A schema is a mental framework that helps individuals organize and interpret information. Schemata, formed from previous experiences, influence how we process new information: how we encode it, the inferences we make, and how we retrieve it. For instance, a schema for what a typical classroom looks like might include desks, a teacher's desk, a whiteboard, and students in such an environment. This expectation helps us quickly understand and navigate new classrooms without needing to analyze...
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Role of Cerebellum and Prefrontal Cortex in Memory01:14

Role of Cerebellum and Prefrontal Cortex in Memory

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The cerebellum, while traditionally associated with motor control, also plays a crucial role in memory, particularly in procedural memory, which involves learning motor tasks that become automatic through repetition. For example, studies have shown that when the cerebellum is damaged, individuals or animals lose the ability to learn conditioned motor responses, such as the conditioned eye-blink response in classical conditioning experiments with rabbits. This study demonstrates the...
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Related Experiment Video

Updated: Sep 2, 2025

Working Memory Training for Older Participants: A Control Group Training Regimen and Initial Intellectual Functioning Assessment
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Working Memory in People with Schizophrenia.

James M Gold1, Steven J Luck2

  • 1Maryland Psychiatric Research Center, Department of Psychiatry, University of Maryland School of Medicine, Baltimore, MD, USA. JGold@som.umaryland.edu.

Current Topics in Behavioral Neurosciences
|August 1, 2022
PubMed
Summary
This summary is machine-generated.

Working memory (WM) deficits are a hallmark of schizophrenia, impacting both storage and manipulation of information. These impairments significantly contribute to the broad cognitive challenges faced by individuals with schizophrenia.

Keywords:
AbilityCapacityExecutive controlGeneral cognitiveWorking memory

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Area of Science:

  • Cognitive Neuroscience
  • Psychiatry

Background:

  • Working memory (WM) is crucial for complex cognition and executive functions.
  • WM deficits are prevalent in schizophrenia, affecting cognitive processing and behavior regulation.
  • Schizophrenia involves widespread cognitive dysfunction, making WM a key area of study.

Purpose of the Study:

  • To investigate the nature and extent of working memory impairments in schizophrenia.
  • To understand the role of WM deficits in the generalized cognitive decline observed in schizophrenia.
  • To correlate neuroimaging findings with working memory performance in schizophrenia patients.

Main Methods:

  • Review of existing literature on working memory in schizophrenia.
  • Analysis of neuroimaging studies examining neural correlates of WM.
  • Assessment of both storage capacity and manipulation abilities in WM tasks.

Main Results:

  • Robust evidence confirms significant WM impairments in individuals with schizophrenia.
  • Deficits span both basic storage and complex manipulation/updating of WM representations.
  • Neuroimaging reveals widespread abnormalities in WM-related neural systems in schizophrenia.

Conclusions:

  • Working memory impairment is a core feature of schizophrenia.
  • These WM deficits substantially contribute to the overall cognitive impairment in schizophrenia.
  • Abnormalities in the neural systems supporting WM are consistent with broad cognitive deficits in schizophrenia.