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Biomedical subjects

F Borgeat

Publications and source records attributed to F Borgeat.

49 records · Page 3Linked to original sources
PubMed1982

[Value of cumulative electrodermal responses in subliminal auditory perception. A preliminary study].

This exploratory study examined the usefulness of averaging electrodermal potential responses for research on subliminal auditory perception. Eighteen female subjects were exposed to three kinds (emotional, neutral and 1000 Hz tone) of auditory stimulation which were repeated six times at three intensities (detection threshold, 10 dB under this threshold and 10 dB above identification threshold). Analysis of electrodermal potential responses showed that the number of responses was related to the emotionality of subliminal stimuli presented at detection threshold but not at 10 dB under it. The data interpretation proposed refers to perceptual defence theory. This study indicates that electrodermal response count constitutes a useful measure for subliminal auditory perception research, but averaging those responses was not shown to bring additional information.

Acoustic Stimulation↗
PubMed1981

[Subliminal perception and the levels of activation].

The influence of the auditory subliminal messages on the level of activation has been evaluated through a double-blind study. Twenty consenting subjects were alternately submitted to activating and deactivating subliminal messages. Activation changes were estimated through the variations in the scores at the Mood Adjective Check List. Five out of this test's six factors concerned by the content of the subliminal messages responded differently according to the nature of these messages; four factors did so to a statistically significant degree. These results tend to indicate that auditory subliminal perceptions can influence the level of activation. The authors raise several questions, especially stressing that the parameters regulating subliminal response and susceptibility remain largely undefined and in need of systematic investigation.

Adult↗
PubMed1980

Effect of therapist's active presence on EMG biofeedback training of headache patients.

Sixteen patients suffering from tension or mixed headaches participated in a frontalis EMG treatment schedule of 15 sessions where the therapist was either activity present or almost completely absent. The aim of this study was to evaluate the impact of the therapist's active presence on the subject's ability to lower the EMG level. The active presence of the therapist consistently led to higher frontalis EMG level than that during the therapist's absence. Data also show that the EMG feedback administered was apparently effective in reducing subjective headache intensity along with EMG levels. The findings raise the question of an optimal dosage of presence and activity of the therapist during EMG feedback training.

Adult↗
PubMedDate not supplied

[Muscle tension of patients with tension headaches during and between episodes of pain].

The relationship between muscle activity and subjective pain in tension headache has been studied by comparing frontal EMG activity during and between headache episodes. Fifteen patients suffering from chronic tension headache were assessed during the course and outside headache episodes. These results suggest that there is no direct and constant relationship between muscle tension and pain in tension headache.

Adult↗
PubMedDate not supplied

[Some scientific feedback from biofeedback].

This paper emphasizes the heuristic value of biofeedback in psychiatry. The efficacy of biofeedback in the treatment of headaches appears well established. Using this application, the usefulness of biofeedback for psychiatric research is discussed. Physiological measurements obtained during the treatment of headache patients with EMG feedback now question the well-known theory of increased muscle tension as the mechanism of tension headaches. Moreover, biofeedback can be regarded as a well defined psychotherapeutic context allowing the quantification of some psychophysiological effects of therapist-patient relationships.

Biofeedback, Psychology↗
PubMedDate not supplied

[Perception of environmental threats by children and adolescents].

Surveys conducted in Europe and North America over the last 30 years have shown that children and adolescents were particularly worried about the possibilities of nuclear war and unemployment. A study carried out in Montreal among young people of primary or high school level assessed their concerns about the future and inquired about what their priorities would be if they were political leaders. One hundred and twenty young people answered a questionnaire administered by a classmate. Results indicate that worries about environmental issues predominate. In comparison with previous surveys, this study suggests a recent change in the young generation from concerns about nuclear war to worries over ecological problems.

Adult↗