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Related Concept Videos

Psychological and Sociocultural Causes of Schizophrenia01:29

Psychological and Sociocultural Causes of Schizophrenia

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...
Biological Causes of Schizophrenia01:29

Biological Causes of Schizophrenia

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

Psychosis: Pathophysiology of Schizophrenia and Other Psychotic Disorders

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 the...
Schizophrenia01:17

Schizophrenia

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 diagnosed.
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.
Hallucinations
Hallucinations in...
Positive Symptoms of Schizophrenia: Hallucinations and Delusions01:30

Positive Symptoms of Schizophrenia: Hallucinations and Delusions

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 loosely...

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Updated: May 28, 2026

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

Schizophrenia: vulnerability versus disease.

M T Tsuang1, W S Stone, S V Faraone

  • 1Harvard Medical School Department of Psychiatry at the Massachusetts Mental Health Center; Brockton West Roxbury Veterans Affairs Medical Center; Harvard Institute of Psychiatric Epidemiology and Genetics, Boston, Mass, USA; Department of Epidemiology, Harvard School of Public Health, Boston, Mass, USA.

Dialogues in Clinical Neuroscience
|October 29, 2011
PubMed
Summary
This summary is machine-generated.

This study explores schizotaxia, a preclinical state of schizophrenia, to improve early diagnosis and prevention. Understanding its origins and neurodevelopment is key to developing effective interventions before psychosis onset.

Keywords:
environmentgenetic influencepreventionschizophreniaschizotaxiaschizotypal disorder

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Handwriting Analysis Indicates Spontaneous Dyskinesias in Neuroleptic Naïve Adolescents at High Risk for Psychosis
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Area of Science:

  • Psychiatry and Neuroscience
  • Schizophrenia Research
  • Neurodevelopmental Disorders

Background:

  • Early diagnosis and intervention are crucial for schizophrenia treatment.
  • Current prevention strategies focus on the prodrome, the early symptomatic phase.
  • Identifying liability before psychosis onset remains a significant challenge.

Purpose of the Study:

  • To further characterize schizotaxia, a preclinical condition indicative of schizophrenia vulnerability.
  • To investigate the etiological roots, neurodevelopmental trajectory, clinical expression, and treatment of schizotaxia.
  • To emphasize the role of neurobiological variables in conceptualizing and diagnosing schizotaxia.

Main Methods:

  • Review and synthesis of existing literature on schizotaxia.
  • Analysis of neurodevelopmental pathways associated with schizophrenia liability.
  • Exploration of clinical assessment tools for schizotaxia.
  • Integration of neurobiological markers into schizotaxia conceptualization.

Main Results:

  • Schizotaxia represents a potential target for schizophrenia prevention prior to the prodrome.
  • Understanding schizotaxia's etiology and neurodevelopment can inform targeted interventions.
  • Neurobiological variables are essential for a comprehensive understanding and diagnosis of schizotaxia.

Conclusions:

  • Focusing prevention efforts on schizotaxia may yield more effective outcomes than targeting only the prodrome.
  • Further research into schizotaxia's neurobiological underpinnings is warranted.
  • Incorporating neurobiological data is vital for advancing schizophrenia prevention strategies.