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Related Concept Videos

Psychosis: Pathophysiology of Schizophrenia and Other Psychotic Disorders01:27

Psychosis: Pathophysiology of Schizophrenia and Other Psychotic Disorders

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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.
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The term "psychosis" refers to a spectrum of mental disorders characterized by abnormal thoughts, perceptions, and behaviors. It can manifest as mood disorders, dementia, delirium with psychotic features, substance-induced psychosis with psychotic features, brief psychotic disorder, delusional disorder, schizoaffective disorder, and schizophrenia. Among all these disorders, schizophrenia is the most common psychotic disorder, affecting 1% of the worldwide population. Psychotic...
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Antipsychotic drugs are a crucial treatment method for acute and chronic psychoses, bipolar illness, and behavioral disorders. The selection of these drugs depends on several factors, including the state of the disease, clinical judgment, possible drug interactions, and the patient's sensitivity to adverse effects. In immediate scenarios, such as delirium and dementia, short-term treatment with low doses of high-potency typical or atypical agents can effectively manage symptom exacerbation.
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Psychological and Sociocultural Causes of Schizophrenia01:29

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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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Schizophrenia01:17

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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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Psychosurgery, the surgical alteration or permanent removal of brain tissue to alleviate severe psychological conditions, stands as one of the most radical and controversial treatments in the history of mental health care. Its development and application have evolved significantly, marked by dramatic shifts in scientific understanding and ethical perspectives.
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Related Experiment Video

Updated: Mar 27, 2026

Handwriting Analysis Indicates Spontaneous Dyskinesias in Neuroleptic Naïve Adolescents at High Risk for Psychosis
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[Research has changed our view about psychoses].

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    This summary is machine-generated.

    Psychoses stem from central nervous system development issues and varied risk factors. Research is exploring the roles of dopamine system sensitization, immune, and metabolic alterations in psychosis etiology.

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    Area of Science:

    • Neuroscience
    • Psychiatry
    • Genetics

    Context:

    • Psychoses are complex mental health conditions linked to neurodevelopmental and connectivity disturbances.
    • Etiology is multifactorial, involving genetic, environmental, and social risk factors from early life.
    • Neurobiological underpinnings, including dopamine system sensitization, are increasingly understood.

    Purpose:

    • To elucidate the heterogeneous etiology of psychoses.
    • To explore the interplay of genetic, environmental, and social factors in psychosis susceptibility and onset.
    • To investigate the role of neurobiological alterations, such as dopamine system sensitization, immune, and metabolic changes.

    Summary:

    • Psychoses are associated with impaired central nervous system development and brain connectivity.
    • Susceptibility arises from a combination of genetic, early environmental (biological and social), and adverse childhood experiences.
    • Key neurobiological factors include dopamine system sensitization in schizophrenia, alongside emerging research into immune and metabolic alterations.

    Impact:

    • Provides a comprehensive overview of psychosis etiology, integrating neurodevelopmental, genetic, and environmental perspectives.
    • Highlights the significance of dopamine system sensitization and ongoing research into immune and metabolic factors.
    • Informs future research directions for understanding and treating complex psychotic disorders.