Aaron Keshen

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This report describes an acute dystonic reaction that occurred after dexamphetamine was discontinued from a drug regimen that included risperidone. This is the second report that has revealed a possible rebound dystonia when a stimulant medication is withdrawn from a patient taking risperidone. We also discuss the neurophysiological hypotheses and(More)
Studies reveal a higher occurrence of bulimia nervosa (BN) in patients with attention deficit/hyperactivity disorder (ADHD) compared to controls. Due to this high degree of comorbidity, some clinicians have used psychostimulants in this population. The goal of this article is to describe five patients with comorbid BN and ADHD and their responses to a(More)
Existential psychotherapy has remained on the fringes of the mainstream practice of psychotherapy. One reason for its limited acceptance is that the literature has tended to be convoluted and existential psychotherapists' ideas heterogeneous. Another reason is the dearth of empirical validation studies. What if a more succinct, well-defined and(More)
This prospective pilot study examined the relationship between self-efficacy and treatment outcome in an adult outpatient eating disorder program. Data from 59 eating disorder outpatients were collected, including measures of self-efficacy, eating disorder symptom severity, negative emotions (depression, anxiety, and stress), body mass index, and duration(More)
Psychostimulants have been assessed in bulimia nervosa patients with comorbid attention deficit/hyperactivity disorder (ADHD), but few studies have examined the impact of psychostimulants on bulimia nervosa patients without comorbid ADHD. The aim of this study was to examine psychostimulants as a potential treatment for bulimia nervosa and to assess the(More)
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