Physiologic responses to loud tones in Vietnam veterans with posttraumatic stress disorder

Article Abstract:

Exposure of Vietnam veterans with posttraumatic stress disorder (PTSD) to 15 consecutive 95-dB, 500-ms, 1000-Hz tones with 0-ms rise and fall times enhances their electromyographic and heart rate responses. There is a decrease in the rate of skin conductance response decline. This implies that PTSD veterans exhibit a higher rate of startle response due to a negative emotional state and pretraumatic responsivity.

Physiological aspects, Influence, Noise, Noise (Sound), Vietnam veterans

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Commentary: beyond preclassified reality

Article Abstract:

The author discusses the importance of published case studies in psychiatric research. Due to the decline in the publishing of case studies and in the intense analysis of mental disorders facilitated by case studies, modern psychiatry has failed to trace connections between human psychology and psychopathology, between biological and physiological illness and the effects of people's mental states.

Methods, Evaluation, Psychiatric research, Psychoanalysis, Psychobiology

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Commentary: deconstructing self-destruction

Article Abstract:

The author discusses some of the cultural, religious and psychological motivations for self-destructive behavior. Research on self-injury allows psychiatrists to understand the connection between internal conflict and external damage.

Research, Self-destructive behavior, Self injurious behavior, Self-mutilation, Self mutilation

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