Learn More
  • W P Morgan
  • 1985
Vigorous exercise is associated with a sensation of well-being, and this subjective state has been objectively quantified with psychometric, cardiovascular, and neurophysiological data. Reductions in state anxiety have been demonstrated to follow acute physical activity, and this response persists for 2-5 h. Chronic physical activity has been associated(More)
The purpose was to compare patterns of brain activation during imagined handgrip exercise and identify cerebral cortical structures participating in "central" cardiovascular regulation. Subjects screened for hypnotizability, five with higher (HH) and four with lower hypnotizability (LH) scores, were tested under two conditions involving 3 min of 1) static(More)
The purpose of this investigation was to hypnotically manipulate effort sense during dynamic exercise and determine whether cerebral cortical structures previously implicated in the central modulation of cardiovascular responses were activated. Six healthy volunteers (4 women, 2 men) screened for high hypnotizability were studied on 3 separate days during(More)
  • W P Morgan
  • 1994
The perception of effort is multidimensional and it is governed by many physiological, psychological, and experiential factors. This paper deals with a discussion of selected psychological states and traits that are known to be correlated with the expression of effort sense. It has been shown that anxiety, somatic perception, depression, and neuroticism are(More)
The purpose of this study was to describe the pattern of change in effort sense and the value of this pattern in predicting work end-point at relatively high work intensity (80% VO2 max). The patterns of change of various physiological functions were also observed. Two modes of work (walking and running) were compared to ascertain generalizability of(More)
It is widely agreed that overtraining should be employed in order to achieve peak performance but it is also recognised that overtraining can actually produce decrements in performance. The challenge appears to be one of monitoring stress indicators in the athlete in order to titrate the training stimulus and prevent the onset of staleness. The present(More)
Twelve male swimmers were studied psychologically before, during, and after 10 d of increased training. Daily training distance was increased from 4,000 to 9,000 m.d-1, and intensity was maintained at 94% of VO2max. Three of the swimmers were unable to tolerate the increased training load, and they did the same distance at slower speeds. Swimmers completed(More)
Mood, as measured by the Profile of Mood States questionnaire, and resting salivary cortisol levels were examined in 14 female college swimmers during progressive increases and decreases in training volume, and were compared to the same measures in eight active college women who served as controls. Training volume increased from 2,000 yards/day in September(More)
The effect of imagery perspectives, i.e. internal imagery vs. external imagery, on the psychophysiological responses to imagined exercise was investigated in the present study. Thirty male and female college students were randomly assigned to perform either internal imagery, external imagery or simple rest in addition to actual exercise. Metabolic,(More)