Joshua G Henderson

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Superior performance on the Embedded Figures Task (EFT) has been attributed to weak central coherence in perceptual processing in Autism Spectrum Disorder (ASD). The present study used functional magnetic resonance imaging to examine the neural basis of EFT performance in 7- to 12-year-old ASD children and age- and IQ-matched controls. ASD children(More)
Until recently, prior estimates of the prevalence of obsessive compulsive disorder (OCD) have been based on clinical data. The present investigation studied point prevalence and demographic data that pertain to three ritual-based forms of OCD in a sample of the adult general population of the greater St. Louis area. Two hundred fifty male and 247 female(More)
Point prevalence rates and demographic characteristics associated with four specific forms of social phobia (public speaking/performing, writing in front of others, eating in restaurants, and use of public restrooms) were examined in a sample of adult residents of the greater St. Louis area. Diagnoses were determined by structured interview in accordance(More)
Data on prevalence of and demographics associated with various symptoms of depression are reported for a sample of the general population. Of the nine symptoms assessed, the most frequently occurring were dysphoric mood (17.8%), increased sleep (15%), and loss of interest in other people or activities previously enjoyed (11.8%). 39% of subjects reported one(More)
Manic depressive patients on long-term prophylactic therapy with lithium carbonate are examined by nuclear magnetic resonance imaging of the brain. Their ventricular brain ratios and cerebral grey and white matter spin lattice relaxation times (T1) are within normal limits. The implication of these findings in the light of previous studies using other(More)
From a community sample, fifty-five individuals identified as having three or more symptoms of depression were asked if and where they had sought help and how they found or would find treatment. Only 20 subjects (33.9%) reported having sought professional help. No demographic differences were found between help-seekers and non-help-seekers. Eighty percent(More)
A case of an 18 year old woman is reported who presented with a pyrexia of unknown origin having returned from a trip to India. She initially had constitutional symptoms only, which rapidly progressed to a multisystem disorder. The difficulty in making the diagnosis of polyarteritis nodosa, especially with the possible differential diagnosis of infection(More)