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Related Concept Videos

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...
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...
Negative and Cognitive Symptoms of Schizophrenia01:30

Negative and Cognitive Symptoms of Schizophrenia

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,...
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.
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...
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.

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Related Experiment Video

Updated: May 28, 2026

Immunoglobulin Gene Sequence Analysis In Chronic Lymphocytic Leukemia: From Patient Material To Sequence Interpretation
09:02

Immunoglobulin Gene Sequence Analysis In Chronic Lymphocytic Leukemia: From Patient Material To Sequence Interpretation

Published on: November 26, 2018

Immunoglobulin patterns in schizophrenic patients.

S G Tiwari1, N Lal, J K Trivedi

  • 1Senior Research Officer, Department of Psychiatry, K. G.'s Medical College, Lucknow.

Indian Journal of Psychiatry
|October 4, 2011
PubMed
Summary
This summary is machine-generated.

Schizophrenia patients show elevated immunoglobulin A (IgA) and M (IgM) in serum, linked to disease duration and episodes. Cerebrospinal fluid IgG also increases with severity, suggesting persistent immune stimulation.

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VDJ-Seq: Deep Sequencing Analysis of Rearranged Immunoglobulin Heavy Chain Gene to Reveal Clonal Evolution Patterns of B Cell Lymphoma
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Immunoglobulin Gene Sequence Analysis In Chronic Lymphocytic Leukemia: From Patient Material To Sequence Interpretation
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Immunoglobulin Gene Sequence Analysis In Chronic Lymphocytic Leukemia: From Patient Material To Sequence Interpretation

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Antibody Binding Specificity for Kappa (V&#954;) Light Chain-containing Human (IgM) Antibodies: Polysialic Acid (PSA) Attached to NCAM as a Case Study
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VDJ-Seq: Deep Sequencing Analysis of Rearranged Immunoglobulin Heavy Chain Gene to Reveal Clonal Evolution Patterns of B Cell Lymphoma
15:07

VDJ-Seq: Deep Sequencing Analysis of Rearranged Immunoglobulin Heavy Chain Gene to Reveal Clonal Evolution Patterns of B Cell Lymphoma

Published on: December 28, 2015

Area of Science:

  • Neuroscience
  • Immunology
  • Psychiatry

Background:

  • Schizophrenia is a complex psychiatric disorder with potential immune system involvement.
  • Immunoglobulins (Ig) play a crucial role in immune responses.
  • Previous research suggests a possible link between immune dysregulation and schizophrenia.

Purpose of the Study:

  • To investigate serum and cerebrospinal fluid (CSF) immunoglobulin levels in schizophrenia patients.
  • To explore correlations between immunoglobulin levels and clinical parameters like disease duration, episodes, and severity.
  • To assess the potential role of immune system activation in the pathophysiology of schizophrenia.

Main Methods:

  • Quantification of Immunoglobulins G (IgG), M (IgM), and A (IgA) in serum and CSF.
  • Comparison of immunoglobulin levels between 30 schizophrenia patients, 20 neurological controls, and 20 surgical controls.
  • Statistical analysis to determine significant differences and associations.

Main Results:

  • Schizophrenia patients exhibited significantly higher serum IgA and IgM levels compared to controls.
  • Increased serum IgA and IgM levels were associated with longer disease duration and a higher number of episodes.
  • Cerebrospinal fluid IgG/total protein (TP%) levels were significantly elevated in relation to disease severity.

Conclusions:

  • The findings suggest an overactive immune response in schizophrenia, potentially indicated by increased immunoglobulin synthesis.
  • Persistent antigenic stimulation, possibly viral, is hypothesized as a cause for elevated immunoglobulins.
  • These immune alterations may contribute to the neurobiological underpinnings of schizophrenia.