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

407
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...
407
Negative and Cognitive Symptoms of Schizophrenia01:30

Negative and Cognitive Symptoms of Schizophrenia

316
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,...
316
Positive Symptoms Schizophrenia: Hallucinations and Delusions01:26

Positive Symptoms Schizophrenia: Hallucinations and Delusions

335
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...
335
Schizophrenia01:17

Schizophrenia

607
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...
607
Personality Disorders: Schizotypal and Histrionic01:20

Personality Disorders: Schizotypal and Histrionic

331
Schizotypal personality disorder and histrionic personality disorder are two distinct psychological conditions classified under personality disorders, each characterized by unique behavioral patterns and social difficulties. Both disorders significantly affect interpersonal relationships and emotional well-being, leading to social isolation and frustration.
Schizotypal Personality Disorder: Eccentric Behavior and Social Withdrawal
Schizotypal personality disorder is marked by odd or eccentric...
331
Psychological and Sociocultural Causes of Schizophrenia01:29

Psychological and Sociocultural Causes of Schizophrenia

382
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...
382

You might also read

Related Articles

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

Sort by
Same author

Reduced synaptic plasticity and E/I imbalance drive peripersonal space boundaries expansion in schizophrenia.

Schizophrenia research·2026
Same author

Peer Support, Stigma and Help-Seeking in the Italian Army: A Qualitative Study.

Military medicine·2026
Same author

Content and face validity of a food frequency questionnaire for the assessment of ultra-processed food consumption in the Italian adult population: a pilot study.

Frontiers in nutrition·2026
Same author

Exposure to false cardiac feedback alters pain perception and anticipatory cardiac frequency.

eLife·2026
Same author

Effects of Two Different Training Programs on Cardiometabolic Health, Body Composition and Irisin in Middle Age Obese Males: A Pilot Study.

Life (Basel, Switzerland)·2026
Same author

Breathing Strategies to Influence Perception: Evidence for Interoceptive and Exteroceptive Active Sensing.

The Journal of neuroscience : the official journal of the Society for Neuroscience·2026

Related Experiment Video

Updated: Dec 20, 2025

Handwriting Analysis Indicates Spontaneous Dyskinesias in Neuroleptic Naïve Adolescents at High Risk for Psychosis
05:52

Handwriting Analysis Indicates Spontaneous Dyskinesias in Neuroleptic Naïve Adolescents at High Risk for Psychosis

Published on: November 21, 2013

15.3K

Body representations and basic symptoms in schizophrenia.

Marcello Costantini1, Anatolia Salone2, Giovanni Martinotti3

  • 1Department of Psychological, Health and Territorial Sciences, "G. d'Annunzio" University of Chieti-Pescara, Chieti, Italy; Institute for Advanced Biomedical Technologies, ITAB, "G. d'Annunzio" University of Chieti-Pescara, Chieti, Italy.

Schizophrenia Research
|May 29, 2020
PubMed
Summary
This summary is machine-generated.

Schizophrenia patients show impaired body structural representation, impacting self-awareness. Poorer finger localization accuracy correlates with more severe basic symptoms and altered body ownership, suggesting disembodiment in schizophrenia.

Keywords:
Basic symptomsBody ownershipBody structural representation (BSR)Rubber hand illusionSchizophrenia

More Related Videos

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

4.3K
Brain Morphology of Cannabis Users With or Without Psychosis: A Pilot MRI Study
07:30

Brain Morphology of Cannabis Users With or Without Psychosis: A Pilot MRI Study

Published on: August 18, 2020

7.3K

Related Experiment Videos

Last Updated: Dec 20, 2025

Handwriting Analysis Indicates Spontaneous Dyskinesias in Neuroleptic Naïve Adolescents at High Risk for Psychosis
05:52

Handwriting Analysis Indicates Spontaneous Dyskinesias in Neuroleptic Naïve Adolescents at High Risk for Psychosis

Published on: November 21, 2013

15.3K
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

4.3K
Brain Morphology of Cannabis Users With or Without Psychosis: A Pilot MRI Study
07:30

Brain Morphology of Cannabis Users With or Without Psychosis: A Pilot MRI Study

Published on: August 18, 2020

7.3K

Area of Science:

  • Neuroscience
  • Psychiatry
  • Cognitive Psychology

Background:

  • Schizophrenia is characterized by anomalous body experiences.
  • Disturbances in body perception and awareness are key predictors of self-experience changes in schizophrenia.
  • The basic symptom model highlights the role of body awareness deficits.

Purpose of the Study:

  • Investigate body structural representation (BSR) in schizophrenia patients.
  • Examine the association between BSR and basic symptoms.
  • Explore the link between BSR, basic symptoms, and body ownership malleability.

Main Methods:

  • Utilized a finger localization task with hands hidden from view.
  • Compared performance of schizophrenia patients and healthy controls.
  • Assessed basic symptoms using the SPI-A scale.
  • Measured the rubber hand illusion to assess body ownership malleability.

Main Results:

  • Schizophrenia patients demonstrated significantly lower accuracy in finger localization compared to controls.
  • Poorer finger localization performance was negatively associated with higher SPI-A total scores (more severe basic symptoms).
  • Reduced finger localization accuracy correlated with increased malleability of body ownership (stronger rubber hand illusion).

Conclusions:

  • Deficits in body structural representation are evident in schizophrenia.
  • Impaired body awareness and altered body ownership contribute to self-disorders in schizophrenia.
  • These findings support the concept of disembodiment as a core feature of schizophrenia's subjective experience.