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At least 19 recordsLinked to original sources
PubMed1994

Distinguishing between multiple personality disorder (dissociative identity disorder) and schizophrenia using the Structured Clinical Interview for DSM-IV Dissociative Disorders.

The authors describe the systematic assessment of dissociative symptoms using the Structured Clinical Interview for DSM-IV Dissociative Disorders (SCID-D) in 50 psychiatric outpatients with a referring DSM-III-R diagnosis of either schizophrenia or schizoaffective disorder (N = 31) and subjects with multiple personality disorder (MPD [DSM-IV name change: dissociative identity disorder]; N = 19). Results indicate that patients with MPD experience significantly higher scores for five specific dissociative symptoms than patients with schizophrenia or schizoaffective disorder. The range, severity, and nature of the five dissociative symptom areas evaluated by the SCID-D distinguish MPD from the occasional occurrence of dissociative symptoms which may be seen in schizophrenia. Systematic assessment of dissociative symptoms using the SCID-D can assist in accurate differential diagnosis of MPD and schizophrenia.

Adult↗
PubMed2006

Attention-deficit/hyperactivity disorder and dissociative disorder among abused children.

The aim of this study was to investigate the psychiatric problems and characteristics among children of child abuse (CA). Specifically, the authors investigated whether attention-deficit/hyperactivity disorder (ADHD) symptoms were exhibited before or after CA. A total of 39 abused child inpatients who were treated at Aichi Children's Health and Medical Center, Aichi, Japan, (mean age, 10.7 +/- 2.6; mean IQ scores, 84.1 +/- 19.3) were included in the study. The most frequent diagnosis was dissociative disorder in 59% of abused subjects. ADHD was diagnosed in 18% of abused subjects, and 71% of ADHD children had comorbid dissociative disorder. A total of 67% of all CA subjects fulfilled the ADHD criteria A according to DSM-IV-TR, however, only 27% of those fulfilled the criteria before CA. The subjects of dissociative disorder fulfilled ADHD criteria A more frequently than those of non-dissociative disorder (P = 0.013), and this result led to an increase in the frequency of the apparent ADHD. The rate of ADHD-suspected parents in the subjects who fulfilled ADHD criteria A after CA was significantly lower than those who fulfilled it before CA (P = 0.005). While it is difficult to distinguish ADHD from dissociative disorder, abused children may have increased apparent ADHD due to dissociative disorder. Further studies should be conducted in order to explore the distinct biological differences between ADHD before CA and the subjects who fulfilled ADHD criteria A after CA.

Attention Deficit Disorder with Hyperactivity↗
PubMed1994

Confirmation of childhood abuse in child and adolescent cases of multiple personality disorder and dissociative disorder not otherwise specified.

The diagnostic validity of multiple personality disorder (MPD) and its association to trauma have been questioned because corroboration of child abuse in studies of patients with MPD is scant. The purpose of this study was to determine on a retrospective basis whether external corroboration of child abuse could be found in a group of patients with MPD and dissociative disorder not otherwise specified. A group of child and adolescent psychiatric inpatients and outpatients was chosen because of the extensive number of collateral records collected on them in a tertiary care setting. This group was also chosen because of the intense interest paid by child protective services and courts to child abuse during the past 15 years. This retrospective chart review confirmed child abuse in eight of nine patients with MPD and in all 12 cases of dissociative disorder not otherwise specified. This study provides further evidence of the association of severe dissociative disorders with trauma, particularly child abuse. Future studies should be prospective and blinded to avoid the possibility of investigator bias, and should include a control group for comparison of base rate of child abuse.

Adolescent↗
PubMed1994

Dissociative tendencies and dissociative disorders.

Although dissociative disorders are relatively rare, dissociative experiences are rather common in everyday life. Dissociative tendencies appear to be modestly related to other dimensions of personality, such as hypnotizability, absorption, fantasy proneness, and some facets of openness to experience. These dispositional variables may constitute diathesis, or risk factors, for dissociative psychopathology, but more complex models relating personality to psychopathology may be more appropriate. The dissociative disorders raise fundamental questions about the nature of self and identity and the role of consciousness and autobiographical memory in the continuity of personality.

Dissociative Disorders↗
PubMed1991

Diagnosing dissociative disorders in The Netherlands: a pilot study with the Structured Clinical Interview for DSM-III-R Dissociative Disorders.

OBJECTIVE: To improve the ability to diagnose dissociative disorders in The Netherlands, the authors conducted a study using a Dutch version of the Structured Clinical Interview for DSM-III-R Dissociative Disorders (SCID-D) with additional questions on childhood trauma and symptoms of borderline and histrionic personality disorders. METHOD: All interviews were audiotaped or videotaped and rated by two investigators separately. Forty-four patients (42 women and two men) participated in the study. Most of the patients had been referred for evaluation of dissociative symptoms; five had participated in a nationwide survey on incest. None of the patients had ever received a diagnosis of a dissociative disorder, and none had evidence of organic brain syndrome or mental retardation. All patients were in active treatment; 23 were being treated in an outpatient psychiatric service, 13 in an inpatient psychiatric service, and eight in private practice. Thirty-two patients had been psychiatric inpatients at least once. RESULTS: Four diagnostic groups of patients were identified: two with dissociative disorders (12 patients with multiple personality disorder and 11 with dissociative disorder not otherwise specified), one with DSM-III-R personality disorders (11 patients), and one without dissociative or personality disorders (10 patients). CONCLUSIONS: Dissociative disorders are clearly not only an American phenomenon. The diagnosis can be made outside of the United States if the symptoms are sought. The SCID-D proved to be a promising instrument.

Adolescent↗
PubMed1992

The use of hypnosis with dissociative disorders.

The dissociative disorders are characterized by difficulties in the integration of memory and/or identity. Typically this is manifested by amnesia and either the development of alternate identities or an estrangement from one's own identity. Spontaneous and self-generated dissociative states and phenomena sharing much in common with those that can be induced with hypnosis are thought to play a major role in their development, symptomatology, and perpetuation. Medical heterohypnosis offers a powerful tool to reestablish a functional continuity of memory and identity in many such cases. The application of hypnotic interventions in the treatment of such conditions will be discussed, explored, and illustrated with clinical vignettes.

Adaptation, Psychological↗
PubMed2006

[Screening for major dissociative disorders with the FDS, the German version of the Dissociative Experience Scale].

UNLABELLED: The prevalence of major dissociative disorders (dissociative identity disorder, DID and similar forms of dissociative disorder not otherwise specified, DDNOS) in clinical samples is about 5 %. Despite their frequency, major dissociative disorders are often overseen for a long time. Screening-scales have proved to be effective to support clinical diagnosis. The aim of this study was to test, whether the Fragebogen für dissoziative Symptome (FDS), the German version of the Dissociative Experiences Scale (DES), differentiates between patients with dissociative disorders, non-dissociative disorders and non-clinical controls. Additionally, an optimal FDS-cutoff for a more detailed differential-diagnostic evaluation of the dissociative symptomatology should be identified. 150 participants with DID (group DID: n = 44), DDNOS (DDNOS: n = 22), posttraumatic disorders (TRAUMA: n = 20), other non-dissociative disorders (non-TRAUMA: n = 34) and non-clinical controls (KG: n = 30) completed the FDS. In the five diagnostic groups, mean values were calculated and compared for the FDS, DES and FDS-20. Via receiver-operating-curves the cutoff-scores, which differentiated best between participants with and without major dissociative disorders, were identified. FDS, DES and FDS-20 differentiate significantly between patients with and without major dissociative disorders. For all scales, there were significant differences between the diagnostic groups, with mean-scores decreasing continuously from the groups DID to DDNOS and TRAUMA. Between the groups non-TRAUMA and KG tendencies were found in the predicted direction. The optimal cutoff-scores to differentiate between participants with and without major dissociative disorders were 13 (FDS/FDS-20) and 15 (DES). Using these cutoff-scores, at least 90 % of the patients with major dissociative disorders could be identified correctly (sensitivity). The specifity of the scales was 0.89 to 0.90. CONCLUSION: Screening for major dissociative disorders with the FDS, DES and FDS-20 allows to identify patients with or without major dissociative disorders correctly in about 90 % of the cases. Therefore, the FDS should be used routinely in psychiatric and psychotherapeutic clinics and practices to identify high risk patients. Such a procedure would be an important step towards an improvement of the diagnostic and therapeutic care of patients with major dissociative disorders, which is still often unsatisfactory at present.

Adolescent↗
PubMed2003

Clinical importance of nightmare disorder in patients with dissociative disorders.

In the present study the prevalence of nightmare disorder (ND) was examined in patients with dissociative disorders (DD), and comparison was made between those with ND and those without nightmares in terms of clinical characteristics. The 30 patients with DD (5 male and 25 female) were recruited over 12 months in the Yüzüncü Yil University Research Hospital Department of Psychiatry. The subjects were diagnosed according to the Diagnostic and Statistical Manual of Mental Disorders (4th edn) criteria for ND. The Dissociative Experiences Scale, Beck Depression Inventory, and a semistructured interview schedule for childhood traumatic events were administered to the subjects. A 57% prevalence of ND was found among patients with DD. Among patients with DD, those with ND had a higher rate of self-mutilative behavior, a history of suicide attempt in the last year, and comorbidity with borderline personality disorder than those without ND. Nightmares or dreams should be considered in the therapy of DD patients.

Adult↗
PubMed1997

Pseudoseizures and dissociative disorders: a common mechanism involving traumatic experiences.

Patients with psychogenic non-epileptic seizures (pseudoseizures) have been diagnosed as having conversion disorder or dissociative disorder. Pseudoseizure patients frequently report a history of physical and sexual abuse, and traumatic experience is considered part of the mechanism for producing dissociation. Pseudoseizures may be a manifestation of dissociative disorder, especially when a history of sexual or physical abuse is documented. A common mechanism involving traumatic experience may be present in both pseudoseizures and dissociative disorders. A complete neurodiagnostic evaluation along with an awareness of this relationship is needed to provide appropriate care for this patient population.

Adult↗
PubMed1996

Intellectual functioning of inpatients with dissociative identity disorder and dissociative disorder not otherwise specified. Cognitive and neuropsychological aspects.

The intellectual functioning of 105 inpatients with multiple personality disorder and dissociative disorder not otherwise specified was assessed using the Wechsler Adult Intelligence Scale-Revised as part of a comprehensive research protocol. There were no significant intellectual differences between the groups on any major intelligence quotient summary score or any of the age-adjusted empirical factor scores. The anecdotal but widely accepted hypotheses that dissociative patients either have above average premorbid intelligence or that their current intellectual functioning is deleteriously affected by their fluctuant psychiatric disorder were not supported in this sample. A significant subsample of the multiple personality disorder group manifested abnormal interest scatter on the Wechsler Adult Intelligence Scale-Revised verbal subtests, and this variability was attributed to subtle neuropsychological deficits on the Memory/Distractibility factor. We speculate that dissociative patients might need to be evaluated for attention deficit disorder in addition to the range of dissociative symptoms in a comprehensive evaluation.

Adult↗
PubMed2000

Underwriting considerations for dissociative disorders.

OBJECTIVE: Dissociative identity disorder (DID) has been diagnosed more frequently and is under greater scrutiny. Because of the number of comorbid conditions, the underwriting risks must be evaluated to determine morbidity and mortality implications. BACKGROUND: The number of diagnosed cases of DID has increased in recent years. The diagnosis often coexists with other diagnoses such as bipolar disorder, major depression, post-traumatic stress disorder, anxiety disorder, somatization, personality disorders, and psychotic disorder. A high incidence of substance abuse and eating disorders is found in the population diagnosed with DID. METHODS AND RESULTS: A query of disability claim experience with DID indicated that these claims tended to reach the maximum duration for mental/nervous benefits despite case management and return to work activities. CONCLUSIONS: The DID psychiatric population is a complex group with mental disorders that place them in a group likely to use maximum disability benefits and who would pose increased life underwriting risk. In addition, the literature indicates a high excess risk for early mortality and excess health care expenses compared to the normal population.

Adult↗
PubMed1997

The development of the somatoform dissociation questionnaire (SDQ-5) as a screening instrument for dissociative disorders.

Using cases of dissociative disorder (n=50) and other DSM-IV diagnoses (n=50), a somatoform dissociation self-report questionnaire was developed and its capacity to function as a screening device for dissociative disorders was analysed. A list of 75 items was constructed which, according to clinical experience and expert judgement, could reflect instances of somatoform dissociation. Statistical analyses revealed the 20 best discriminating items. Stepwise forward logistic analysis detected five items which, as a group, provided optimal discrimination between the two groups. At an estimated prevalence rate of dissociative disorders of 10% among psychiatric patients the sensitivity would be 94%, the specificity would be 96%, the positive predictive value would be 72%, and the negative predictive value would be 99%. Cross-validation in an independent sample (n=33/42) largely corroborated the initial findings. The SDQ-5 can be used as a brief screening device for dissociative disorders.

Adolescent↗
PubMed2000

The differential diagnosis of epilepsy, pseudoseizures, dissociative identity disorder, and dissociative disorder not otherwise specified.

The authors review the co-occurrences of dissociative symptoms and disorders with epilepsy and pseudo-seizures and examine newer diagnostic instruments that assist in accurate diagnosis of persons with concomitant seizure behaviors and dissociative symptoms. They also review seizure behaviors and electroencephalographic findings in persons with dissociative identity disorder (DID) and dissociative disorder not otherwise specified (DDNOS) and dissociative symptoms in persons with epilepsy and with pseudoseizures. Dissociative symptoms in 15 patients with epilepsy and 15 with pseudo-seizures were examined using the Dissociative Experiences Scale (DES) and the Structured Clinical Interview for DSM-IV Dissociative Disorders (SCID-D). On the SCID-D, pseudo-seizure patients had significantly higher dissociative symptom scores than epileptic patients, but DES scores did not reliably distinguish epileptic and pseudo-seizure patients. Misdiagnosis of persons with seizures and dissociative symptoms can be avoided by careful adherence to DSM dissociative disorder criteria, the use of video-EEG monitoring, and systematic assessment of dissociative symptoms with the SCID-D.

Adult↗
PubMed1998

The dissociative disorders. Rarely considered and underdiagnosed.

A wide variety of dissociative disorders, including dissociative amnesia, dissociative fugue, depersonalization disorder, dissociative identity disorder, and various forms of dissociative disorder not otherwise specified. In many instances, these disorders are either underdiagnosed or misdiagnosed secondary to the clinician's mistaken belief that dissociative disorders are rare. Recent research shows that dissociative disorders may comprise 5% to 10% of psychiatric populations. This article reviews the epidemiology and clinical symptomatology of these disorders. In addition, various screening and diagnostic instruments, such as the DES, Structured Clinical Interview for Dissociative Disorders, and MMPI, are discussed.

Amnesia↗
PubMed1993

Use of the Structured Clinical Interview for DSM-IV Dissociative Disorders for systematic assessment of dissociative symptoms in posttraumatic stress disorder.

OBJECTIVE: This study compared dissociative symptom areas in Vietnam combat veterans with posttraumatic stress disorder (PTSD) and in Vietnam combat veterans without PTSD. METHOD: The Structured Clinical Interview for DSM-IV Dissociative Disorders (SCID-D) was used to compare dissociative symptoms in 40 Vietnam combat veterans with PTSD and 15 Vietnam combat veterans without PTSD. The SCID-D yields a total score and scores in five symptom areas: amnesia, depersonalization, derealization, identity confusion, and identity alteration. RESULTS: The PTSD patients had more severe dissociative symptoms in each of the five symptom areas of the SCID-D and higher total symptom scores. Amnesia was the symptom area with the greatest difference in scores between the PTSD patients (mean = 3.68, SD = 0.73) and the non-PTSD veterans (mean = 1.06, SD = 0.26). CONCLUSIONS: The finding of higher levels of dissociative symptoms in Vietnam combat veterans with PTSD than in Vietnam veterans without PTSD is consistent with a level of dissociative symptoms in PTSD similar to that in dissociative disorders.

Adult↗
PubMed2005

Discriminating among diagnostic categories using the Dissociative Disorders Interview Schedule.

The Dissociative Disorders Interview Schedule was administered to 1,308 subjects in eight diagnostic categories, including 296 with dissociative identity disorder. The study tested three hypotheses: (1) the Mahalanobis distance between dissociative identity disorder and each of seven other diagnostic categories would be large, (2) the closest diagnostic category to dissociative identity disorder would be dissociative disorder not otherwise specified, and (3) nondissociative diagnostic categories would be closer to each other than any one to dissociative identity disorder. All three hypotheses were confirmed by these data. The findings support the conclusion that dissociative identity disorder is a discrete category or taxon.

Adolescent↗