Danielle Caroline Cath

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The factor structure of the Dutch translation of the Autism-Spectrum Quotient (AQ; a continuous, quantitative measure of autistic traits) was evaluated with confirmatory factor analyses in a large general population and student sample. The criterion validity of the AQ was examined in three matched patient groups (autism spectrum conditions (ASC), social(More)
The aim of the current study was twofold: (1) to systematically examine differences in fear conditioning between anxiety patients and healthy controls using meta-analytic methods, and (2) to examine the extent to which study characteristics may account for the variability in findings across studies. Forty-four studies (published between 1920 and 2013) with(More)
To investigate environmental factors that protect against or exacerbate obsessive-compulsive (OC) symptoms, we selected 25 monozygotic (MZ) twin pairs discordant, 17 MZ twin pairs concordant high and 34 MZ pairs concordant low on OC symptoms from a large longitudinal Dutch sample of adult twin pairs and their family members, applying stringent criteria for(More)
BACKGROUND Obsessive-compulsive disorder (OCD) and social anxiety disorder (SAD) frequently co-occur in persons with autism spectrum disorder (ASD). We studied which features distinguish 'pure' anxiety disordered patients from those with co-morbid ASD. METHOD In a case-controlled design in which groups were matched for age, sex and educational level,(More)
The obsessive-compulsive spectrum disorder (OCSD) theory postulates that a wide range of disorders is closely related to OCD. Current cognitive models ascertain that certain beliefs leading to misinterpretation of the significance of intrusions are important in the etiology and maintenance of OCD. This study examined whether pathological gambling, a(More)
Deep brain stimulation of the thalamus has been proposed as a therapeutic option in patients with Tourette syndrome who are refractory to pharmacological and psychotherapeutic treatment. Patients with intractable Tourette syndrome were invited to take part in a double-blind randomized cross-over trial assessing the efficacy and safety of stimulation of the(More)
BACKGROUND Dysfunction of frontal-striatal, particularly orbitofrontal-striatal, circuitry has been implicated in the pathophysiology of obsessive-compulsive disorder (OCD), characterized by obsessions, ritualistic behavior, anxiety, and specific cognitive impairments. In addition, neuropsychological studies in OCD have reported impairments in visuospatial(More)
In this report, we describe the effects of bilateral thalamic stimulation in one patient and of bilateral pallidal stimulation in another patient. Both patients suffered from intractable Tourette's syndrome (TS). Any conservative treatment had failed or had been stopped because of unbearable side effects in the 2 patients. In both cases, there was no(More)
BACKGROUND Co-morbidity within anxiety disorders, and between anxiety disorders and depression, is common. According to the theory of Gray and McNaughton, this co-morbidity is caused by recursive interconnections linking the brain regions involved in fear, anxiety and panic and by heritable personality traits such as neuroticism. In other words,(More)
To reduce the phenotypic heterogeneity of obsessive-compulsive disorder (OCD) for genetic, clinical and translational studies, numerous factor analyses of the Yale-Brown Obsessive Compulsive Scale checklist (YBOCS-CL) have been conducted. Results of these analyses have been inconsistent, likely as a consequence of small sample sizes and variable(More)