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Related Concept Videos

Obsessive-Compulsive Disorder01:28

Obsessive-Compulsive Disorder

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...
Personality Disorders: Dependent and Obsessive-Compulsive01:24

Personality Disorders: Dependent and Obsessive-Compulsive

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 with...
Epilepsy and Seizures: Overview01:24

Epilepsy and Seizures: Overview

Epilepsy is a chronic neurological disease marked by recurrent, unpredictable seizures. These seizures are caused by abnormal electrical discharges in the brain, leading to behavior, sensation, or consciousness alterations. They can also cause transient impairment of awareness, interfering with daily activities.
Various factors can trigger epilepsy, including genetic factors, brain damage, metabolic causes, and unknown etiology. Diagnosis of epilepsy involves electroencephalography (EEG), which...
Epilepsy ll: Types01:22

Epilepsy ll: Types

Recurrent seizures, stemming from abnormal electrical activity in the brain, are the defining characteristic of epilepsy, a chronic neurological condition. Because seizure features vary greatly, epilepsy is classified using two systems: by seizure type and by epilepsy syndromes. These classifications enable clinicians to describe seizure patterns and select suitable treatment strategies.I. Classification by Seizure Type1. Focal EpilepsyFocal epilepsy begins in one hemisphere of the brain.
Seizures: Classification01:13

Seizures: Classification

Epilepsy is primarily characterized by unpredictable seizures, either provoked by an identifiable factor, such as injury or illness, or unprovoked, occurring spontaneously without apparent cause.
Seizures are typically classified into two main categories: focal and generalized seizures.
Focal Seizures
Focal seizures originate from specific regions of the brain. These seizures are further sub-classified into two types:
Anxiety: Overview01:18

Anxiety: Overview

Anxiety is a common mental disorder featuring excessive worry, fear, and apprehension, significantly affecting daily life. People with anxiety disorders experience persistent and intense anxiety, interrupting their everyday functioning.
Individuals with anxiety often experience a range of physical and emotional symptoms, including sweating, trembling, tachycardia, and disturbances in sleep patterns. These symptoms vary in intensity and frequency but are generally disruptive and distressing.

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Related Experiment Video

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

Signal Attenuation as a Rat Model of Obsessive Compulsive Disorder

Published on: January 9, 2015

Epilepsy and obsessive-compulsive disorder.

Peter W Kaplan1

  • 1Johns Hopkins Bayview Medical Center, Baltimore, Maryland 21224, USA. pkaplan@jhmi.edu

Dialogues in Clinical Neuroscience
|July 14, 2010
PubMed
Summary
This summary is machine-generated.

Obsessive-compulsive disorder (OCD) is frequently linked to temporal lobe epilepsy (TLE). Studies show specific OCD symptoms and religious preoccupations in TLE patients, suggesting neurobiological underpinnings.

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Area of Science:

  • Neurology
  • Psychiatry

Background:

  • Obsessive-compulsive disorder (OCD) is often associated with epilepsy, particularly temporal lobe epilepsy (TLE).
  • OCD may be underdiagnosed in TLE patients, affecting 10-22% of this population.
  • Existing data includes case reports, series, and controlled studies.

Purpose of the Study:

  • To explore the association between temporal lobe epilepsy and obsessive-compulsive disorder.
  • To identify specific OCD symptom patterns and potential neurobiological mechanisms in TLE.

Main Methods:

  • Review of case reports, case series, and controlled studies.
  • Analysis of comprehensive epilepsy and OCD classifications in TLE patients.
  • Examination of neurobiological and social factors implicated in OCD within TLE.

Main Results:

  • Controlled studies in TLE patients revealed specific obsessive traits: washing, symmetry, exactness, and ordering.
  • TLE patients showed greater preoccupation with religious themes compared to controls or idiopathic generalized epilepsy patients.
  • Obsessive-compulsive disorder in TLE is linked to neurobiological factors and impairments in specific brain circuits.

Conclusions:

  • A significant association exists between temporal lobe epilepsy and obsessive-compulsive disorder.
  • Neurobiological and structural impairments in fronto-thalamic pathways are implicated in TLE-associated OCD.
  • Surgical intervention or lesions in these pathways can influence the manifestation or remission of OCD in TLE.