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Related Concept Videos

Dissociative Disorders01:27

Dissociative Disorders

Dissociative disorders represent complex psychological conditions characterized by disruptions in consciousness, memory, identity, or perception. These disruptions cause individuals to experience a disconnection from their thoughts, emotions, and memories. The phenomenon is not merely an occasional lapse in attention but a profound alteration in mental functioning that can severely impact daily life.
Dissociative Fugue
A hallmark feature of dissociative disorders is the dissociative fugue...
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...
Depressive Disorders: Etiology01:27

Depressive Disorders: Etiology

Depressive disorders result from a complex interplay of biological, psychological, and sociocultural factors, each contributing uniquely to the development and persistence of the condition. Understanding these factors provides critical insight into the multifaceted nature of depression.
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Dissociative Identity Disorder01:30

Dissociative Identity Disorder

Dissociative Identity Disorder (DID), previously termed multiple personality disorder, is a complex psychological condition characterized by the presence of two or more distinct identities or personality states. Each identity exhibits unique patterns of behavior, voice, and mannerisms and may possess separate memories and emotional responses. The alternating control between identities can result in memory gaps and challenges in recalling daily activities, often exacerbating the individual's...
Dissociative Amnesia01:21

Dissociative Amnesia

Dissociative amnesia is a complex psychological condition that manifests as an inability to recall personal information, often tied to traumatic or stressful events. Unlike general amnesia, individuals with this condition retain the ability to perform routine activities and procedural tasks, such as operating a phone or navigating public transportation, yet experience profound gaps in autobiographical memory. These lapses may encompass significant life events, such as suicide attempts or...
Bipolar Disorder01:30

Bipolar Disorder

Bipolar disorder is a chronic mental health condition marked by significant mood fluctuations, including episodes of mania and depression. Elevated energy levels, heightened mood or irritability, impulsive behavior, reduced sleep needs, rapid speech, racing thoughts, inflated self-esteem, and distractibility characterize mania. Individuals with bipolar disorder often alternate between depressive and manic states, with periods of emotional stability lasting an average of six months to a year.

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Related Experiment Video

Updated: Jun 27, 2026

Use of a Psychophysiological Script-driven Imagery Experiment to Study Trauma-related Dissociation in Borderline Personality Disorder
09:55

Use of a Psychophysiological Script-driven Imagery Experiment to Study Trauma-related Dissociation in Borderline Personality Disorder

Published on: March 8, 2018

Dissociation in major depressive disorder: a pilot study.

Almudena Molina-Serrano1, Sylvie Linotte, Marie Amat

  • 1Department of Psychiatry, Erasme Hospital, Université Libre de Bruxelles, Brussels, Belgium.

Journal of Trauma & Dissociation : the Official Journal of the International Society for the Study of Dissociation (ISSD)
|December 2, 2008
PubMed
Summary

Patients with major depressive disorder (MDD) show higher rates of dissociative experiences compared to healthy individuals. Childhood trauma is linked to increased dissociation in MDD, highlighting the need for screening.

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Area of Science:

  • Psychiatry
  • Psychology
  • Neuroscience

Background:

  • Major depressive disorder (MDD) is a prevalent mental health condition.
  • Dissociative phenomena are often underrecognized in psychiatric practice.
  • The relationship between dissociation and depression requires further investigation.

Purpose of the Study:

  • To investigate the prevalence of dissociative experiences in patients with MDD.
  • To explore the association between childhood trauma and dissociation in MDD.
  • To assess the clinical implications of dissociation in the manifestation and course of depression.

Main Methods:

  • Administered the Dissociative Experiences Scale (DES) to 27 MDD patients and 40 healthy controls.
  • Collected data on traumatic life events using a self-questionnaire.
  • Assessed patients with high DES scores for dissociative disorders.

Main Results:

  • MDD patients reported significantly higher mean DES scores than healthy participants.
  • Childhood trauma was reported by 12/27 MDD patients, correlating with higher DES scores.
  • 7% of MDD patients were diagnosed with a dissociative disorder.

Conclusions:

  • Dissociative phenomena are common in MDD and warrant clinical attention.
  • Screening for dissociative disorders is recommended in psychiatric and psychological practice.
  • Further research is needed to understand the clinical consequences of various dissociative experiences in MDD.