Abstract

Experimental evidence has suggested that humans have a moderately functional sound-localization capability underwater; it appeared appropriate to determine if this ability could be improved by training. Signals of 1000 Hz and 25 pps were presented to the subjects at five angles (to the head). Four sets of stimuli were employed: the first and last sets constituted the pre- and post-tests, respectively, and the middle sets were a training procedure where subjects were informed of the actual source location after each presentation. The obtained scores demonstrated a significant increase in correct responses for the 1000-Hz signal; improvement for 25 pps was not as great and did not show statistical significance. Subject Classification: 65.62; 30.85.

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