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Related Concept Videos

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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Biological Causes of Schizophrenia01:29

Biological Causes of Schizophrenia

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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...
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Psychological and Sociocultural Causes of Schizophrenia01:29

Psychological and Sociocultural Causes of Schizophrenia

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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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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.
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Reflection of Waves01:07

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When a wave travels from one medium to another, it gets reflected at the boundary of the second medium. A common example of this is when a person yells at a distance from a cliff and hears the echo of their voice. The sound waves (longitudinal waves) traveling in the air are reflected from the bounding cliff. Similarly, flipping one end of a string whose other end is tied to a wall causes a pulse (transverse wave) to travel through the string, which gets reflected upon reaching the wall. In...
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Positive Symptoms Schizophrenia: Hallucinations and Delusions01:26

Positive Symptoms Schizophrenia: Hallucinations and Delusions

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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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Updated: Jan 27, 2026

A Strategy to Identify de Novo Mutations in Common Disorders such as Autism and Schizophrenia
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A reflection upon methods to explore timing in patients with schizophrenia.

Brice Martin1, Nicolas Franck1, Anne Giersch2

  • 1Ressource Center for Psychosocial Rehabilitation and Cognitive Remediation, Le Vinatier Hospital UMR 5229 CNRS & Université Lyon 1, Université de Lyon, Lyon, France.

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Schizophrenia patients experience altered self-awareness and time perception due to disrupted temporal continuity. Research explores phenomenological and psychological findings on these subjective experiences.

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Area of Science:

  • Cognitive Neuroscience
  • Psychiatry
  • Philosophy of Mind

Background:

  • Phenomenological studies detail subjective experiences in schizophrenia, including a sense of inner void and temporal distortions.
  • These experiences are linked to a compromised first-person perspective and a breakdown in the temporal structure of consciousness.
  • Disruptions in retaining past and predicting future information are hypothesized to underlie the loss of time continuity.

Purpose of the Study:

  • To critically examine the limitations of both phenomenological and experimental psychology approaches to understanding self-disorders in schizophrenia.
  • To evaluate the convergence of hypotheses from these distinct research methodologies.
  • To foster a more nuanced understanding of the mechanisms behind schizophrenia-related impairments.

Main Methods:

  • Review and synthesis of phenomenological descriptions of subjective experiences in schizophrenia.
  • Analysis of experimental psychology findings, particularly those related to temporal processing and sequence prediction in schizophrenia patients.
  • Critical reflection on the integration and limitations of phenomenological and experimental data.

Main Results:

  • Phenomenological accounts reveal profound distortions in self-experience and time perception in schizophrenia.
  • Experimental data suggest deficits in predicting event sequences at a millisecond level in schizophrenia.
  • Convergence exists between subjective reports and objective measures, though interpretations vary.

Conclusions:

  • A critical reflection on current approaches is essential to avoid premature conclusions about schizophrenia mechanisms.
  • Integrating phenomenological insights with experimental findings can enrich the understanding of self-disorders.
  • Further research is needed to fully elucidate the complex interplay of factors contributing to schizophrenia's subjective and objective impairments.