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PubMed1999

Social, communicational, and behavioral deficits associated with ring X turner syndrome.

We describe the cognitive and behavioral characteristics of five individuals with a ring X chromosome. All subjects had a small active (early replicating) ring X chromosome. The X inactive specific transcript (XIST) locus was confirmed by fluorescent in situ hybridisation (FISH) to be present in all ring X chromosomes. Mental retardation was present in four individuals. All patients with or without mental retardation had a characteristic profile of aggression toward self and others, episodes of screaming, attentional problems, and impulsiveness. Autistic-like features were also present in all individuals and included limited communication, obsessive compulsive behavior, and social difficulties. In some cases the obsessive behavior was extreme and incapacitating. This characteristic behavioral profile may aid the diagnosis and future understanding of ring X.

Adolescent↗
PubMed1996

Behavioral avoidance test for obsessive compulsive disorder.

Few treatment outcome studies of Obsessive Compulsive Disorder (OCD) have employed Behavioral Avoidance Tests (BATs) to assess changes in symptomatology, probably because of the difficulty of constructing such tests for a disorder which has widely varying symptoms. The few studies that have examined the psychometric properties of BATs for OCD have found mixed evidence for validity but good treatment sensitivity. The present study presents psychometric findings for a multi-step/multi-task BAT that assessed percentage of steps completed, subjective anxiety, global avoidance, and rituals. This measure was used with 50 clients diagnosed with OCD whose symptoms varied widely. The BAT demonstrated good convergent and divergent validity, as well as treatment sensitivity according to effect size calculations. A composite score combining steps, anxiety level, avoidance and rituals also performed well in psychometric tests. Strategies to reduce the complexity of scoring are presented, along with examples of several BAT tasks to enable researchers to employ this behavioral measure.

Adolescent↗
PubMed1994

The role of central oxytocin in obsessive compulsive disorder and related normal behavior.

Oxytocin (OT) is a neurosecretory nonapeptide synthesized in hypothalamic cells, which project to widely distributed sites in the CNS as well as the neurohypophysis. Central OT affects a variety of cognitive, grooming, affiliative, sexual, and reproductive behaviors in animals. Obsessive Compulsive Disorder (OCD) includes a range of cognitive and behavioral symptoms that bear some relationship to dimensions of behavior associated with OT. Anecdotal data and a recently completed cerebrospinal fluid (CSF) study provide evidence that some forms of OCD are related to OT dysfunction. Based on these findings, we hypothesize: 1) that some forms of OCD are at the extreme end of a range of normal behaviors that are mediated by OT and related systems; and that 2) some normal cognitive, affiliative, and sexual behaviors contain elements that are similar to features of OCD. Alternative hypotheses are considered, and a series of predictions are presented concerning the relationship between central OT and the onset, course, treatment response, and response to challenge procedures seen in this form of OCD.

Animals↗
PubMed2001

Brain-behavior relationships in obsessive-compulsive disorder.

Advances in neuroimaging have led to a greater understanding of brain-behavior relationships in obsessive-compulsive disorder (OCD). This article provides an updated review and analysis of the structural and functional neuroimaging studies in OCD published to date and discusses how evidence from various types of neuroimaging studies has been synthesized to generate and test hypotheses regarding these relationships. We also review the basic science literature on the functional neuroanatomy of cortico-basal ganglia-thalamo-cortical circuits and integrate this information with neuroimaging data in OCD, to present a theoretical model of brain mediation of OCD symptoms and response to treatment. Taken together, neuroimaging studies indicate that OCD symptoms are mediated by hyperactivity in orbitofrontal-subcortical circuits, which may be attributable to an imbalance of tone between direct and indirect striato-pallidal pathways. Serotonergic drugs may ameliorate OCD symptoms by changing the relative balance of tone through the indirect versus direct orbitofrontal-subcortical pathways, thereby decreasing activity in the overall circuit that exists in the symptomatic state.

Brain↗
PubMed2001

Cognitive-behavioral psychotherapy for pediatric obsessive-compulsive disorder.

Discusses the cognitive-behavioral psychotherapy for pediatric obsessive-compulsive disorder (OCD). Over the past 15 years, cognitive-behavioral psychotherapy has emerged as the psychosocial treatment of choice for OCD across lifespan. Unlike other psychotherapies that have been applied usually unsuccessfully to OCD, cognitive-behavioral treatment (CBT) presents a logically consistent and compelling relationship between the disorder, the treatment, and the specified outcome. Nevertheless, despite a consensus that CBT is usually helpful, clinicians routinely complain that patients will not comply with behavioral treatments and parents routinely complain that clinicians are poorly trained in CBT, with the result that many if not most children and adolescents are denied access to effective psychosocial treatment. This unfortunate situation may be avoidable, given an increased understanding regarding the implementation of CBT in children and adolescents with OCD. To this end, we review the principles and the practical aspects of the cognitive-behavioral treatment of OCD in youth, move on to discuss empirical studies supporting the use of CBT in the pediatric age group, and conclude by discussing directions for future research.

Adolescent↗
PubMed1994

Behavioral group therapy with obsessive-compulsives: an overview.

During the last two decades, effective psychotherapeutic interventions have been developed and proven successful in treating patients with Obsessive-Compulsive Disorder (OCD). Behavior therapy, using exposure to anxiety-evoking stimuli and response prevention directed toward rituals, provides lasting benefit for most patients who engage in and comply with treatment. A recent study indicated that, for certain OCD patients, these interventions could be applied successfully in a group therapy context. This article describes the general procedures used in this study to treat obsessive-compulsives with exposure and response prevention in a group context.

Behavior Therapy↗
PubMed1999

Validity of the Obsessive Compulsive Drinking Scale (OCDS): does craving predict drinking behavior?

OBJECTIVE: The Obsessive Compulsive Drinking Scale (OCDS), a 14-item, self-report questionnaire, was developed to measure alcohol-related craving. The OCDS may provide a measure of the state of illness among alcohol-dependent individuals and may have value in predicting subsequent drinking behavior. The present study was conducted to evaluate the factor structure and the concurrent, construct, and predictive validity of the OCDS. METHODS: Data on desire to drink and on drinking behavior were obtained from 127 alcohol-dependent subjects who participated in a 12-week outpatient pharmacotherapy trial and a 3-month posttreatment follow-up. RESULTS: Principal components analysis of the OCDS indicated that three factors best described its structure: obsessions, drinking control and consequences, and alcohol consumption. Data also supported the concurrent and discriminant validity of the OCDS. However, the OCDS total score showed limited validity in predicting drinking during a posttreatment follow-up period. Furthermore, the only empirically derived factor that predicted drinking during this period was the alcohol consumption factor. CONCLUSIONS: As might be expected, the OCDS questions on drinking behavior predict subsequent drinking behavior. However, the instrument does not appear to provide a general measure of alcohol-related illness. The utility of the OCDS in studies of alcoholism treatment outcome requires clearer definition.

Adolescent↗
PubMedDate not supplied

[Treatment of a case of chronic obsessive troubles through combined behavioral therapy (author's transl)].

Behavior therapy of a young man, suffering from grave obsessive and compulsive troubles is the first example of combined therapy, with individual therapy, family therapy as group therapy. Two steps are find in the cure. There are benefits--trust and hope--due to psychiatric hospitalization and generous and constant affection of the sponse. The sponse was the key of reciprocal inhibition necessary to the control of anxieties due to the treatment. The aim reached was the control of obsessions and compulsions lasting for more than sixteen years.

Adult↗
PubMed1989

Hypothesis: homozygosity in Tourette syndrome.

We review evidence suggesting that many individuals with Tourette syndrome (TS) may be homozygous for a "Tourette syndrome" gene. This is based on experience with pedigrees on 1,200 TS families, comparison of the occurrence of tics or associated behaviors such as obsessive-compulsive behavior, panic attacks, attention deficit hyperactivity disorder, and/or severe alcohol or drug abuse, on both the maternal and paternal side in 170 TS families compared to control families, biochemical studies of blood serotonin and tryptophan levels, and other evidence. These observations suggest the inheritance in TS may be best described as semi-dominant, semi-recessive. Some of the implications of this proposal are discussed.

Adult↗
PubMed1992

Comparison of positive and negative intrusive thoughts and experimental investigation of the differential effects of mood.

The similarity between positive and negative intrusive thoughts is considered for both recently occurring, personally relevant intrusions and for the same intrusions occurring during an experimental task involving self-monitoring. The results indicate that positive and negative intrusions differ in most respects. There was evidence that increasing the frequency of negative thinking is associated with a deterioration of mood. In a subsequent experiment, induced happy and sad moods were shown to differentially affect frequency of intrusions in a fashion consistent with mood congruency effects previously found in experiments on the effect of mood on memory. The implications of these findings for disorders involving the experience of intrusive thoughts such as OCD and depression are discussed.

Adaptation, Psychological↗
PubMed1992

Worry and obsessional symptoms: a correlational analysis.

Several studies have suggested that worry and obsessional symptoms are systematically associated. In the present study, the relationship between worry and obsessional symptoms was confirmed. Measures included a worry content measure, a worry visual analogue scale, a modification of the everyday checking behaviours scale, and the MOCI. Worry was found to be more consistently associated with checking and doubting, than washing and slowness. It is suggested that worry and obsessional symptoms both occur in response to stress. In addition, it is suggested that worry and checking are functionally similar, and Generalised Anxiety Disorder may represent a 'cognitive' variant of obsessional checking.

Adult↗