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Related Concept Videos

Schemas01:42

Schemas

A schema is a mental construct consisting of a cluster or collection of related concepts (Bartlett, 1932). There are many different types of schemata, and they all have one thing in common: schemata are a method of organizing information that allows the brain to work more efficiently. When a schema is activated, the brain makes immediate assumptions about the person or object being observed.
Language and Cognition01:27

Language and Cognition

Language serves as a bridge between ideas and communication, influencing how individuals perceive and interact with the world. Psychologists have long debated whether language shapes thought or vice versa. This discussion gained grip with Edward Sapir and Benjamin Lee Whorf in the 1940s, who proposed that language determines thought, a concept known as linguistic determinism. They suggested that the vocabulary and structure of a language influence how its speakers think and perceive reality.
Positive Symptoms Schizophrenia: Hallucinations and Delusions01:26

Positive Symptoms Schizophrenia: Hallucinations and Delusions

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.
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Negative and Cognitive Symptoms of Schizophrenia01:30

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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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Related Experiment Video

Updated: Jul 9, 2026

A Semantic Priming Event-related Potential (ERP) Task to Study Lexico-semantic and Visuo-semantic Processing in Autism Spectrum Disorder
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Contextual insensitivity in schizophrenic language processing: evidence from lexical ambiguity.

D Titone1, D L Levy, P S Holzman

  • 1Psychology Research Laboratory, Mailman Research Center, McLean Hospital, Belmont, Massachusetts 02478, USA. dtitone@mclean.harvard.edu

Journal of Abnormal Psychology
|February 24, 2001
PubMed
Summary
This summary is machine-generated.

Schizophrenia patients struggle with context due to impaired inhibition, not context detection. This study reveals that difficulty processing irrelevant information, not understanding context, causes these failures in schizophrenia.

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Area of Science:

  • Cognitive psychology
  • Neuroscience
  • Psychiatric research

Background:

  • Schizophrenia is characterized by cognitive deficits, including difficulties with contextual processing.
  • Previous research has proposed both context detection and inhibition deficits as potential causes.

Purpose of the Study:

  • To differentiate between context detection deficits and inhibitory control deficits in schizophrenia.
  • To elucidate the underlying mechanisms of contextual failures in schizophrenia.

Main Methods:

  • A cross-modal semantic priming task was employed.
  • Eighteen schizophrenia patients and 24 controls performed lexical decisions on homonyms presented in sentences with varying contextual biases.
  • Priming effects for dominant and subordinate meanings were measured.

Main Results:

  • Schizophrenia patients, unlike controls, showed priming for both dominant and subordinate meanings when contexts moderately biased subordinate meanings.
  • Both groups exhibited similar priming patterns when contexts strongly biased subordinate meanings.
  • This suggests a failure to inhibit irrelevant information in schizophrenia patients.

Conclusions:

  • Contextual failures in schizophrenia are primarily attributed to deficits in inhibiting contextually irrelevant information.
  • These findings highlight impaired inhibitory control as a key cognitive mechanism in schizophrenia.