Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Positive Symptoms of Schizophrenia: Hallucinations and Delusions01:30

Positive Symptoms of Schizophrenia: Hallucinations and Delusions

213
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...
213
Schizophrenia01:17

Schizophrenia

205
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...
205
Positive Symptoms Schizophrenia: Hallucinations and Delusions01:26

Positive Symptoms Schizophrenia: Hallucinations and Delusions

129
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...
129
Psychological and Sociocultural Causes of Schizophrenia01:29

Psychological and Sociocultural Causes of Schizophrenia

179
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...
179
Biological Causes of Schizophrenia01:29

Biological Causes of Schizophrenia

133
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...
133
Psychosis: Pathophysiology of Schizophrenia and Other Psychotic Disorders01:27

Psychosis: Pathophysiology of Schizophrenia and Other Psychotic Disorders

913
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...
913

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Computerized assessments of emotional expression and emotional reactivity predict negative symptoms in individuals at clinical high-risk for psychosis.

Psychological medicine·2026
Same author

Value representation in youth psychopathology: evidence of a transdiagnostic risk mechanism for psychosis.

Translational psychiatry·2026
Same author

Impacted and preserved sub-domains of cognitive control in schizophrenia.

Neuropsychologia·2026
Same author

Prior Trial Effects on Working Memory in Schizophrenia, Bipolar Disorder, and Healthy Control Individuals.

JAMA psychiatry·2026
Same author

Increased Reporting of Speech in Degraded Stimuli in Schizophrenia: A Case Control Study with Sine-Wave-Speech.

Schizophrenia bulletin·2026
Same author

Selective reinforcement learning deficits in antipsychotic-naïve patients with first-episode schizophrenia-spectrum disorder.

European neuropsychopharmacology : the journal of the European College of Neuropsychopharmacology·2026
Same journal

Classifying Psychedelic-Related Complications.

Current topics in behavioral neurosciences·2026
Same journal

Psychedelic-Related Psychosis: From Model Psychosis to Psychotherapy.

Current topics in behavioral neurosciences·2026
Same journal

Managing Psychological Challenges in the Subacute ("Afterglow") Window of Psychedelic Drug Effects.

Current topics in behavioral neurosciences·2025
Same journal

Flashbacks, Hallucinogen Persisting Perception Disorder (HPPD), and Reactivations Following the Use of Classic Psychedelics: Classification and Therapeutic Management.

Current topics in behavioral neurosciences·2025
Same journal

Correction to: Psychedelic Drug Checking: Analytical and Strategic Challenges in Harm Reduction for Classic Psychedelics.

Current topics in behavioral neurosciences·2025
Same journal

Ontologically Challenging Psychedelic Experiences: Considerations for Managing Associated Distress.

Current topics in behavioral neurosciences·2025
See all related articles

Related Experiment Video

Updated: Sep 3, 2025

Signal Attenuation as a Rat Model of Obsessive Compulsive Disorder
09:29

Signal Attenuation as a Rat Model of Obsessive Compulsive Disorder

Published on: January 9, 2015

15.5K

Attention in Schizophrenia.

Steven J Luck1, James M Gold2

  • 1Department of Psychology, Center for Mind and Brain, University of California, Davis, CA, USA. sjluck@ucdavis.edu.

Current Topics in Behavioral Neurosciences
|July 28, 2022
PubMed
Summary
This summary is machine-generated.

Schizophrenia impairs attention, causing reduced alertness and inward focus. While attention control is often intact, individuals may exhibit hyperfocusing on irrelevant stimuli, mimicking attentional filtering deficits.

Keywords:
AlertnessAttentional controlAttentional selectionHyperfocusing

More Related Videos

P50 Sensory Gating in Infants
12:55

P50 Sensory Gating in Infants

Published on: December 26, 2013

9.3K
Standardized Data Acquisition for Neuromelanin-Sensitive Magnetic Resonance Imaging of the Substantia Nigra
05:14

Standardized Data Acquisition for Neuromelanin-Sensitive Magnetic Resonance Imaging of the Substantia Nigra

Published on: September 8, 2021

3.7K

Related Experiment Videos

Last Updated: Sep 3, 2025

Signal Attenuation as a Rat Model of Obsessive Compulsive Disorder
09:29

Signal Attenuation as a Rat Model of Obsessive Compulsive Disorder

Published on: January 9, 2015

15.5K
P50 Sensory Gating in Infants
12:55

P50 Sensory Gating in Infants

Published on: December 26, 2013

9.3K
Standardized Data Acquisition for Neuromelanin-Sensitive Magnetic Resonance Imaging of the Substantia Nigra
05:14

Standardized Data Acquisition for Neuromelanin-Sensitive Magnetic Resonance Imaging of the Substantia Nigra

Published on: September 8, 2021

3.7K

Area of Science:

  • Cognitive Neuroscience
  • Psychiatry

Background:

  • Attention is a complex cognitive function frequently impaired in schizophrenia.
  • Understanding attentional deficits is crucial for schizophrenia research and treatment.

Purpose of the Study:

  • To examine three key aspects of attention in schizophrenia: global alertness, attention control, and selection.
  • To clarify the nature of attentional dysfunction in schizophrenia, including potential hyperfocusing.

Main Methods:

  • Review of existing evidence on attentional function in schizophrenia.
  • Analysis of visual attention control and selection processes.
  • Exploration of magnocellular pathway influences on attention.

Main Results:

  • Schizophrenia is associated with reduced global alertness and inward attention.
  • Attention control is generally preserved unless challenged by specific visual stimuli.
  • Individuals with schizophrenia may exhibit hyperfocusing, potentially on irrelevant information, impacting filtering.

Conclusions:

  • Attentional deficits in schizophrenia are multifaceted, involving alertness, control, and selection.
  • Hyperfocusing in schizophrenia may explain apparent filtering impairments.
  • Further research is needed to fully elucidate the mechanisms of attentional dysfunction.