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Results of an earlier study in healthy volunteers suggest that the serotonergic system is involved in anxiety-related mechanisms. We studied the influence of tryptophan depletion on the response to a 35% carbon dioxide challenge. Twenty-four panic disorder patients received a mixture of amino...
This study investigated beat-to-beat QT variability in patients with panic disorder and depression, and normal control subjects using an automated algorithm to compute QT intervals. An increase in QT variability appears to be associated with symptomatic patients with dilated cardiomyopathy and...
Evidence of long-standing social difficulties has been well documented in persons with schizophrenia. These deficits are often so rudimentary that a person with schizophrenia may never have developed the skills necessary to present as socially competent. Given the cognitive, biological, and...
The aim of the study was to find the sensitivity and the specificity of DSM-IV atypical features (mood reactivity, weight gain, appetite increase, hypersomnia, leaden paralysis, interpersonal rejection sensitivity) for the diagnosis of bipolar II disorder. Consecutive 557 unipolar (54.9%) and...
We compared alexithymia and depression ratings for non-hospitalized women meeting DSM-IV criteria for anorexia nervosa ( n =32) and bulimia nervosa ( n =32) to ratings for healthy women ( n =74). Alexithymia was evaluated by the Toronto Alexithymia Scale (TAS-20) and depression by the Hospital...
Previous studies of the prolactin response to d -fenfluramine in depressed patients have yielded inconsistent results. This may be because they did not address the question of suicidality. We carried out this study to test the hypothesis that lower prolactin response to d- fenfluramine is more...
Acute akathisia is a common and disturbing side effect of classic antipsychotic medication. Some evidence suggests a role for iron deficiency in chronic and tardive akathisia. In acute akathisia, however, the data are contradictory. Serum iron and ferritin levels of 33 inpatients with acute...
In recent years it has been suggested that a serotonergic dysfunction is involved in the pathogenesis of obsessive–compulsive disorder (OCD). The loudness dependence of auditory evoked potentials (AEPs) is one of the best validated indicators of the activity of the serotonin system in humans....
The assessment of social functioning takes on special importance with the development of promising new types of psychosocial intervention for the treatment of schizophrenia. Nevertheless, there are still few satisfactorily reliable instruments for the assessment of social functioning that are...
To access the saliva level of free 3-methoxy-4-hydroxyphenylglycol (MHPG) as a biological index of anxiety disorders, gender- or age-dependent changes in saliva MHPG level in patients with anxiety disorders were investigated. Saliva MHPG levels in 196 normal volunteers (59 male, 137 female) and...
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