Search PubMed⌕ Search

Biomedical subjects

J Hart

Publications and source records attributed to J Hart.

At least 289 records · Page 16Linked to original sources
PubMed1977

Toward a new theory of dreaming.

A new Process Scoring System for dreams was developed and applied in an intensive single-S case study that spanned 5 1/2 years and 754 dreams. In it two hypotheses derived from a new transformative theory of dreams were tested. Both the transformation hypothesis, which holds that it is possible to shift from a symbolic to a directly expressive mode of dreaming, as well as the parallelism hypothesis, which holds that the expression of affect in dreams parallels the expression of affect in waking, were supported by the results. In contrast to Freud's analytic theory, which deals with content and interprets dreams as coded symbolic messages, our transformative theory focuses on dynamic dream processes and views dreams as pictures of feelings.

Adult↗
PubMed1977

A reapplication of the process scoring system for dreams.

The first application of the new Process Scoring System for dreams was made in an intensive longitudinal case study of 1 S over a 5 1/2 year period. In this second application, the dreams of a sample of 5 experienced Feeling Therapy patients were compared to those of 5 control Ss. As in the first study, considerable support was found for both the transformation hypothesis, which holds that it is possible to shift from a symbolic mode of dream behavior to a directly expressive one, and the parallelism hypothesis, which holds that the expression of affect in dreams parallels the expression of affect in waking and vice versa.

Dreams↗
PubMed1977

Two preliminary studies on sleep and psychotherapy.

Two preliminary studies were conducted to assess the effects of an intensive outpatient psychotherapy, Feeling Therapy, on sleep. This therapy was chosen because of its demonstrated ability to affect its patients' dreams. In the first study a newly entering female patient was recorded across the first three weeks of intensive daily therapy. In contrast to two control subjects recorded across a similar time period, she demonstrated low REM times and short REM latencies on the average, and considerably greater variability in nearly every parameter. In the second study, two patients were recorded across three days (the middle of which was the day of a therapy session) first when new in therapy and then again after two and one-half years of therapy. It was found that when new in therapy both subjects spent nights of significantly altered sleep the day of the therapy session. One subject showed no REM sleep whatsoever while the other showed a 10 min REM latency and low REM time. The significance of these findings and the direction of future research is discussed.

Adult↗
PubMed1977

Specific inhibition of phototropism in corn seedlings.

Geotropism was used as a control for the specificity of potential inhibitors of phototropism by the coleoptiles of corn (Zea mays) seedlings. The compounds tested fall into three categories showing: (a) no inhibition of either phototropism or geotropism (KCl); (b) nonspecific inhibition of both phototropism and geotropism (KCN); and (c) specific inhibition of phototropism (KI, NaN(3), and phenylacetic acid). Simultaneous irradiation of coleoptiles with phototropically inert light in addition to the phototropically active blue light also results in an inhibition of phototropism. Since azide, iodide, and phenylacetic acid are known to interact with flavins while a simultaneous irradiation with a phototropically inert light may depopulate the first triplet state of flavins, these data support the hypothesis that the photoreceptor pigment for phototropism in corn is a flavin.

Journal Article↗
PubMed1976

The effects of low doses of amylobarbitone sodium and diazepam on human performance.

The effects of diazepam (2.5 and 5 mg) and amylobarbitone sodium (50 and 100 mg) on performance and subjective effects were assessed in a group of twelve healthy subjects under standardised conditions. Treatments were administered orally at weekly intervals according to a balanced design and under double-blind conditions. The tests of performance most sensitive to drug effects in these healthy subjects were either prolonged and monotonous and gave the subject no feedback on performance, or required short term memory for efficient execution. Auditory vigilance was significantly impaired (P less than 0.05) between 45 min and 1 h 45 min after all drug treatments except amylobarbitone sodium (100 mg), compared with performance after lactose. At the same time false reports were significantly increased after amylobarbitone sodium (100 mg) compared with all other active drugs but not with lactose. These effects had disappeared 4-5 h post drug. Short term memory was impaired 1h 45 min after all treatments and impairment was dose related. No significant effects occurred 5h after treatment. Simple auditory reaction time was prolonged 2 h after the highest doses of amylobarbitone sodium and diazpam, and by amylobarbitone sodium (50 mg) 5 h 15 min after treatment. At this time the effects of diazepam had worn off. Digit symbol substitution was impaired by amylobarbitone sodium (50 and 100 mg), and diazepam (5 mg) after 2 h 45 minutes. No significant changes in visual search or tapping occurred after active drugs compared with lactose. Subjective ratings indicated both mental and motor impairment 2 h 45 min after all active preparations compared with scores after lactose though significant changes followed diazepam (2.5 mg) infrequently. Both correct detections and false reports in auditory vigilance tended to fall over the 6 separate days of testing, indicating an increase in caution. Visual search, short term memory, tapping and digit symbol substitution significantly improved with time, but there was no change in reaction time. From the limited information obtained by sampling blood at 3 and 6 h, no relationship between change in performance and plasma level was found in these subjects.

Adult↗