The staging method, whereby a disorder is characterized according to seriousness, extension and features, has achieved wide currency in medicine but is currently neglected in psychiatry. Studies addressing or related to the issue of staging in schizophrenia, unipolar depression, bipolar disorder and panic disorder are discussed. The phenomenological development of these mental disorders may be categorized according to stages.

Imagery-rehearsal therapy for chronic nightmares was assessed in a randomized, controlled study of sexual assault survivors with posttraumatic stress disorder (PTSD). Nightmares, sleep quality, and PTSD were assessed at baseline for 169 women, who were randomized into two groups: treatment (n = 87) and wait-list control (n = 82). Treatment consisted of two 3-hr sessions and one 1-hr session conducted over 5 weeks. Of 169 participants, 91 women (Treatment, n = 43, Control, n = 48) completed a 3-month follow-up and 78 did not. At follow-up, nightmare frequency and PTSD severity decreased and sleep quality improved in the treatment group with small to minimal changes in the control group. Treatment effects were moderate to high (Cohen's d ranged from 0.57 to 1.26). Notwithstanding the large dropout rate, imagery-rehearsal therapy is an effective treatment for chronic nightmares in sexual assault survivors with PTSD and is associated with improvement in sleep quality and decreases in PTSD severity.

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These clinical and preliminary quantitative data provide bases for further psychopharmacologic characterization of DMT's properties in humans. They also may be used to compare the effects of other agents affecting relevant brain receptors in volunteer and psychiatric populations.

SynopsisResults of studies with various versions of the Symptom Rating Test are described. The test was designed to measure changes in the symptoms of neurotic patients participating in experiments in therapeutics such as drug trials. In all studies the test scores discriminated significantly between psychiatric patients and normals. In drug trials the test was found to be effective in discriminating between the responses to psychotropic drugs and to placebo. The findings suggest that the test is a valid and reliable measure of distress.