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Related Concept Videos

Biological Causes of Schizophrenia01:29

Biological Causes of Schizophrenia

77
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...
77
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.
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...
737
Psychological and Sociocultural Causes of Schizophrenia01:29

Psychological and Sociocultural Causes of Schizophrenia

107
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...
107
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.
Negative Symptoms
Negative symptoms of schizophrenia manifest as deficits in normal emotional and behavioral functioning, profoundly impacting daily life. Individuals with schizophrenia often display a flat affect, characterized by a near-total absence of emotional expression,...
65
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.
Hallucinations
Hallucinations in...
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Schizophrenia01:17

Schizophrenia

109
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...
109

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Related Experiment Video

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Standardized Data Acquisition for Neuromelanin-Sensitive Magnetic Resonance Imaging of the Substantia Nigra
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Potential diagnostic biomarkers for schizophrenia.

Weihua Yue1,2,3,4, Hailiang Huang5,6,7, Jubao Duan8,9

  • 1Institute of Mental Health, Peking University Sixth Hospital, Beijing, China.

Medical Review (2021)
|September 19, 2023
PubMed
Summary

Schizophrenia (SCH) diagnosis faces challenges due to subjective methods. This review explores objective biomarkers, including genetics and neuroimaging, for improved prediction and diagnosis of this severe mental disorder.

Keywords:
accurate diagnosismulti-omics dataobjective biomarkerspersonalized treatmentschizophrenia

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Area of Science:

  • Neuroscience and Psychiatry
  • Biomarker Discovery

Background:

  • Schizophrenia (SCH) is a severe mental disorder with a 0.7%-1.0% lifetime prevalence, causing significant disability and mortality.
  • Current clinical diagnosis of SCH relies on subjective methods, leading to challenges in treatment and prognosis.
  • The high disease burden of SCH necessitates the development of objective diagnostic and predictive tools.

Purpose of the Study:

  • To review and summarize objective biomarkers for the prediction and diagnosis of Schizophrenia (SCH).
  • To highlight recent advancements in identifying reliable indicators for SCH.

Main Methods:

  • Comprehensive literature review of Schizophrenia (SCH) research.
  • Focus on studies identifying objective biomarkers across various domains.
  • Categorization of biomarkers including genetic, metabolic, immune, neuroimaging, and electrophysiological markers.

Main Results:

  • Significant progress has been made in identifying potential objective biomarkers for SCH.
  • Key areas of research include genetic susceptibility, metabolic indicators, immune system indices, brain imaging, and electrophysiological characteristics.
  • These biomarkers show promise for improving the objectivity of SCH diagnosis and prediction.

Conclusions:

  • Objective biomarkers are crucial for overcoming the limitations of subjective diagnosis in Schizophrenia (SCH).
  • Continued research into genetic, metabolic, immune, and neurophysiological markers is essential for clinical application.
  • The identified biomarkers may lead to earlier and more accurate diagnosis, improving patient outcomes for SCH.