Ook bij psychische stoornissen: persoonlijkheids- en gedragsstoornissen, posttraumatische stressstoornis personality disorder severe dissociative disorders trauma-related disorders
Conditions
Interventions
None listed
Sponsors
Rijksuniversiteit Groningen
Eligibility
Age
18 Years to 64 Years
Inclusion criteria
Inclusion criteria: In order to be eligible to participate in this study, a patient must meet one of the following criteria according to the DSM-5 criteria (APA, 2013): • A main diagnosis of Dissociative Identity Disorder (300.14) or Other specified Dissociative Disorder (300.15) as confirmed by using the Multidimensional Inventory of Dissociation (MID; Dell, 2006) and the DID section of the Dissociative Disorders Interview Schedule DSM-5 version (DDIS; Ross et al., 1989) • A main diagnosis of Avoidant Personality Disorder (301.82), as confirmed by using the APD section of the SCID-5-PD interview (First et al., 2016) • A main diagnosis of Borderline Personality Disorder (301.83), as confirmed by using the BPD section of the SCID-5-P interview (First et al., 2016) • A main diagnosis of Post-Traumatic Stress Disorder (309.81), as confirmed by using the PTSD checklist for DSM-5 (PCL-5; Weathers et al., 2013) as a consequence of childhood traumatic experiences before the age of 12 In order to be eligible to participate as a healthy comparison, a participant must not be currently diagnosed with a mental health disorder according to the DSM-5 criteria (APA, 2013), including the disorders named above, as assessed by using the MID, SCID-5-PV and PCL-5. Participants with DID who can switch between several identity states must: • be able to switch on demand between a self-selected trauma-fixated identity, a trauma-avoidant identity, and an overview identity state • be able to perform the tasks in these identity states without spontaneously switching to other identities • be able to perform the tasks in these identity states without interference of other identities Participants with OSDD will not be asked to switch between identity states
Exclusion criteria
Exclusion criteria: A potential participant who meets any of the following criteria will be excluded from participation in this study: - Severe current substance abuse (e.g., the use of hallucinogens, cannabis, amphetamine-type stimulants and cocaine; DSM-5) - Lack of fluency in Dutch - Below the age of 18 or above the age of 65 - An IQ below 80 - For ethical reasons, those patients who are currently in crisis (i.e., immediate danger to oneself or others) will be excluded (e.g., acute high risk of suicide or severe self-injurious behavior, or severe aggression-control problems)
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The main study parameters are the outcomes of the cognitive tasks. For the hyperassociativity task an emotional detour score and a hyperassociativity score; for the card-sorting task scores on self-complexity, compartmentalization, overlap, differential importance, and proportion of negative attributes; for the emotion perception task an emotion recognition accuracy score and an emotion sensitivity score; for the future autobiographical memory test a future event specificity score; and finally for the dichotomous thinking task, a dichotomous thinking score, splitting score, and negative thinking score. | — |
Secondary
| Measure | Time frame |
|---|---|
| Other study parameters pertain to relevant sample demographics and characteristics: - Diagnosis - Insomia - Emotion regulation - Interpersonal functioning - Childhood traumatic experiences - Dissocation-related metamemory beliefs - Vividness of visual and verbal imagination - Identity style - Alexithymia - Experiential avoidance - Dissociation between self-states | — |
Countries
Netherlands
Outcome results
None listed