Perception of object length by sound

Author(s): Anderson, K. L., KunklerPeck, A. J.

Journal/Book: Psychol Sci. 1998; 9: 350 Main Street, Ste 6, Malden, MA 02148, USA. Blackwell Publishers. 211-214.

Abstract: Although hearing is classically considered a temporal sense, everyday listening suggests that subtle spatial properties constitute an important parr of what people know about the world through sound. Typically neglected in psychoacoustics research, the ability to perceive the precise sizes of objects on the basis of sound was investigated during the routine event of dropping wooden dowels of different lengths onto a hard surface. In two experiments, the ordinal and metrical success of naive listeners was related to length but not to the simple acoustic variables (duration, amplitude, frequency) likely to be related to it. Additional analysis suggests the potential relevance of an object's inertia tensor in constraining perception of that object's length, analogous to the case that has been made for perceiving length by effortful touch.

Note: Article Carello C, Univ Connecticut, CESPA U20, 406 Babbidge Rd, Storrs,CT 06269 USA

Keyword(s): ECOLOGICAL ACOUSTICS; AUDITORY-PERCEPTION; WORLD; HEAR; EVENTS

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