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Related Concept Videos

Obsessive-Compulsive Disorder01:28

Obsessive-Compulsive Disorder

329
Obsessive-compulsive disorder (OCD) is a mental health condition characterized by recurrent obsessions, compulsions, or both, which consume significant time and interfere with daily functioning. Obsessions involve persistent, intrusive, and unwanted thoughts, images, or urges that evoke anxiety. Common examples include irrational fears of contamination or harm. Compulsions are repetitive behaviors or mental acts performed to reduce the anxiety caused by obsessions. For instance, individuals...
329
Personality Disorders: Dependent and Obsessive-Compulsive01:24

Personality Disorders: Dependent and Obsessive-Compulsive

237
Dependent personality disorder and obsessive-compulsive personality disorder are two separate psychological conditions that influence behavior, relationships, and overall life functioning. Though both involve maladaptive behaviors, their core characteristics and motivations differ significantly.
 Dependent Personality Disorder
Dependent personality disorder is characterized by an excessive reliance on others to manage various aspects of life. Individuals with this disorder often struggle...
237
Positive Symptoms of Schizophrenia: Hallucinations and Delusions01:30

Positive Symptoms of Schizophrenia: Hallucinations and Delusions

340
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...
340
Schizophrenia01:17

Schizophrenia

527
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...
527
Positive Symptoms Schizophrenia: Hallucinations and Delusions01:26

Positive Symptoms Schizophrenia: Hallucinations and Delusions

270
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...
270
Personality Disorders: Paranoid and Schizoid01:22

Personality Disorders: Paranoid and Schizoid

328
Personality disorders represent enduring cognition, affect, and behavior patterns that significantly deviate from societal norms. These maladaptive traits often lead to difficulties in various domains, including interpersonal relationships, occupational settings, and overall psychological well-being. Paranoid personality disorder and schizoid personality disorder are two distinct conditions marked by odd or eccentric behavior.
Paranoid Personality Disorder
Paranoid personality disorder is...
328

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Treatment-Resistant Depression in Portugal: Perspective From Psychiatry Experts.

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Related Experiment Video

Updated: Nov 28, 2025

Signal Attenuation as a Rat Model of Obsessive Compulsive Disorder
09:29

Signal Attenuation as a Rat Model of Obsessive Compulsive Disorder

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When Obsessive-Compulsive Disorder Mimics Schizophrenia.

Mariana Duarte-Mangas1, Lucilia Bravo, Ana Matos-Pires

  • 1Psychiatry Service of ULSBA (Unidade Local de Saúde do Baixo Alentejo), Beja, Portugal.

The Journal of Nervous and Mental Disease
|November 30, 2020
PubMed
Summary

Accurate diagnosis is crucial for treating obsessive-compulsive disorder (OCD). This case highlights how reassessing symptoms led to revising a schizophrenia diagnosis to OCD, enabling effective treatment and sustained patient improvement.

Area of Science:

  • Psychiatry
  • Clinical Psychology
  • Neuroscience

Background:

  • Obsessive-compulsive disorder (OCD) is a heterogeneous condition with varied presentations.

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  • Differentiating OCD from schizophrenia can be challenging due to overlapping psychotic-like symptoms.
  • Misdiagnosis can impede appropriate and effective treatment strategies.