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Related Concept Videos

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,...
Depressive Disorders: MDD and Dysthymia01:27

Depressive Disorders: MDD and Dysthymia

Depressive disorders are a group of mental health conditions characterized by pervasive feelings of sadness, diminished pleasure in life, and a significant impact on daily functioning. These conditions are most prevalent in individuals during their 30s and affect women at twice the rate of men. Contrary to popular belief, younger individuals are generally more susceptible to these disorders than older adults. Two key types of depressive disorders include Major Depressive Disorder (MDD) and...
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...
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.
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...

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

Published on: November 21, 2013

Basic symptoms in early psychotic and depressive disorders.

Frauke Schultze-Lutter1, Stephan Ruhrmann, Heinz Picker

  • 1University of Cologne, Department of Psychiatry and Psychotherapy, Early Recognition and Intervention Centre for Mental Crises (FETZ), 50924 Cologne, Germany. frauke.schultze-lutter@uk-koeln.de

The British Journal of Psychiatry. Supplement
|January 19, 2008
PubMed
Summary

Subtle cognitive deficits, known as basic symptoms, effectively differentiate early psychosis, schizophrenia, and depression. However, considering depression status improves identification of individuals in the psychosis prodrome phase.

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Association Between Sleep Quality and Cognitive Symptoms in Patients with Major Depressive Disorder
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Handwriting Analysis Indicates Spontaneous Dyskinesias in Neuroleptic Naïve Adolescents at High Risk for Psychosis
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Published on: November 21, 2013

Association Between Sleep Quality and Cognitive Symptoms in Patients with Major Depressive Disorder
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Association Between Sleep Quality and Cognitive Symptoms in Patients with Major Depressive Disorder

Published on: April 26, 2024

Area of Science:

  • Psychiatry
  • Clinical Psychology
  • Neuroscience

Background:

  • Depression frequently co-occurs with early psychosis, necessitating instruments that differentiate these conditions.
  • Distinguishing depression from the initial stages of psychosis is crucial for accurate diagnosis and treatment.

Purpose of the Study:

  • To investigate differences in basic symptoms among individuals with potential psychosis prodrome, first-episode schizophrenia, and non-psychotic depression.
  • To determine if subtle subjective deficits (basic symptoms) can distinguish these three clinical groups.

Main Methods:

  • Assessment of basic symptoms using the Schizophrenia Proneness Instrument.
  • Comparison of basic symptom levels across three groups: potential prodrome (n=146), first-episode schizophrenia (n=153), and non-psychotic depression (n=115).

Main Results:

  • Both the prodrome and schizophrenia groups exhibited higher levels of basic symptoms compared to the depression group.
  • Depression was prevalent in 38% of the prodrome group and 21% of the first-episode schizophrenia group.
  • Basic symptoms did not differ between individuals with and without depression within the prodrome and schizophrenia groups.

Conclusions:

  • Cognitive basic symptoms serve as effective discriminators between potential psychosis prodrome, first-episode schizophrenia, and depression.
  • Incorporating assessment of current affective status, particularly depression, can enhance the identification of individuals in the potential prodrome stage.