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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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Related Experiment Video

Updated: Dec 27, 2025

Handwriting Analysis Indicates Spontaneous Dyskinesias in Neuroleptic Naïve Adolescents at High Risk for Psychosis
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[Acute Psychotic Disorders].

Susanne Englisch, Mathias Zink

    Fortschritte Der Neurologie-Psychiatrie
    |February 27, 2020
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    Summary
    This summary is machine-generated.

    Acute psychotic disorders (APS) feature rapid symptom onset and typically resolve quickly. However, these conditions can recur and may evolve into schizophrenia or bipolar disorder.

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    Area of Science:

    • Psychiatry
    • Neuroscience

    Background:

    • Acute psychotic disorders (APS) present with sudden onset of diverse symptoms.
    • These disorders are distinct from substance-induced or organic psychoses.
    • While often transient, APS can have long-term implications.

    Purpose of the Study:

    • To define the characteristics of acute psychotic disorders.
    • To understand the typical course and outcomes of APS.
    • To identify potential transitions to other psychiatric conditions.

    Main Methods:

    • Review of clinical diagnostic criteria for APS.
    • Analysis of symptom profiles including affective, psychotic, and psychomotor features.
    • Longitudinal observation of patient recovery and potential disorder evolution.

    Main Results:

    • APS are defined by acute onset and varied symptoms.
    • Full recovery is common, but relapse is frequent.
    • A significant proportion of patients may transition to schizophrenia or bipolar disorder.

    Conclusions:

    • Acute psychotic disorders require careful monitoring due to relapse potential.
    • Understanding APS course is crucial for early intervention.
    • Distinguishing APS from other disorders is key for prognosis.