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Implicit human echolocation
I have a general knowledge of the literature on human echolocation:
sighted-blindfolded listeners are capable of locating nearby surfaces
from the reflections of self-generated sounds, when they are instructed
to do so.
However, does echolocation persist in absence of explicit instructions?
An improbable single-trial experiment could address this question:
blindfolded participants are asked to walk along a path, as long as they
wish. They wouldn't be informed that a wall is obstructing the path.
Unfortunately, the number of injuries would measure implicit
Is anybody aware of related, more ethical studies?
Bruno L. Giordano, Ph.D.
Music Perception and Cognition Laboratory
Schulich School of Music, McGill University
555 Sherbrooke Street West
Montréal, QC H3A 1E3
Office: +1 514 398 4535 ext. 00900