Abstract
The adult heart rate response was studied following two durations and two intensities of an auditory stimulus. A 1 sec tone evoked a predominately acceleratory response and no decrement with repetition. Initially, a 15 sec tone evoked a response characterized by a prolonged deceleration phase. With repetition this changed to an acceleration similar to the 1 sec tone and then showed no decrement with further repetition. Intensity (40 and 85 dB) did not influence the form of the heart rate response.
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References
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Smith, D.B.D., Strawbridge, P.J. Stimulus duration and the human heart rate response. Psychon Sci 10, 71–72 (1968). https://doi.org/10.3758/BF03331412
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DOI: https://doi.org/10.3758/BF03331412