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Related Concept Videos

Schizophrenia01:17

Schizophrenia

685
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...
685
Positive Symptoms of Schizophrenia: Hallucinations and Delusions01:30

Positive Symptoms of Schizophrenia: Hallucinations and Delusions

510
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...
510
Psychological and Sociocultural Causes of Schizophrenia01:29

Psychological and Sociocultural Causes of Schizophrenia

450
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...
450
Psychosis: Pathophysiology of Schizophrenia and Other Psychotic Disorders01:27

Psychosis: Pathophysiology of Schizophrenia and Other Psychotic Disorders

1.8K
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...
1.8K
Positive Symptoms Schizophrenia: Hallucinations and Delusions01:26

Positive Symptoms Schizophrenia: Hallucinations and Delusions

432
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...
432
Biological Causes of Schizophrenia01:29

Biological Causes of Schizophrenia

467
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...
467

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

Stefan Leucht1,2, Spyridon Siafis3,4, John J McGrath5,6,7

  • 1Technical University of Munich, TUM School of Medicine and Health, Department of Psychiatry and Psychotherapy, Klinikum rechts der Isar, Munich, Germany. stefan.leucht@tum.de.

Nature Reviews. Disease Primers
|November 27, 2025
PubMed
Summary
This summary is machine-generated.

Schizophrenia is a complex mental health disorder affecting young adults, characterized by varied symptoms and treatment resistance. Early interventions and novel therapies show promise for managing this challenging condition.

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Area of Science:

  • Neuroscience
  • Psychiatry
  • Genetics

Background:

  • Schizophrenia is a prevalent mental health condition with significant disability and reduced life expectancy.
  • It typically emerges in late adolescence or early adulthood, influenced by genetic, environmental, and psychosocial risk factors.
  • A lengthy prodromal phase often precedes the first psychotic episode, complicating early diagnosis and intervention.

Purpose of the Study:

  • To review the current understanding of schizophrenia's pathophysiology, clinical manifestations, and treatment landscape.
  • To highlight the challenges in diagnosis and management, including treatment resistance.
  • To explore emerging therapeutic strategies and technologies.

Main Methods:

  • Literature review of schizophrenia research, focusing on risk factors, neurobiology, and treatment outcomes.
  • Analysis of current pharmacological and psychotherapeutic interventions.
  • Examination of novel approaches like virtual reality and digital health tools.

Main Results:

  • Schizophrenia involves complex interactions, potentially including glutamate-GABA and dopamine system imbalances.
  • The disease presents heterogeneously with psychotic, negative, and cognitive symptoms, often resistant to standard antipsychotics.
  • New treatments targeting non-dopamine systems and digital health interventions show potential.

Conclusions:

  • Despite advances, schizophrenia remains challenging due to its heterogeneity and frequent treatment resistance.
  • Integrated treatment approaches combining medication and psychotherapy are crucial.
  • Emerging technologies offer promising avenues for symptom management and relapse prevention.