Sound stimuli and following in a domestic fowl: Frequency, rate, and duration.

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Abstract
Notes that repetitive taps or tones elicit strong following in the young of domestic fowl. The relations between the physical properties of such sounds, including pure tone frequency, rate, and duration were studied in 5 experiments with White Leghorn chicks. When tone characteristics were varied simultaneously, an optimal duration (i.e., <50-msec tones produced optimal following) proved more effective than an optimal rate (4 tone/sec.). By comparison, tone frequency appeared essentially irrelevant. 1 interpretation of such findings is that very brief repetitive sounds aid in localization function as arousal stimuli in neonates. (PsycINFO Database Record (c) 2006 APA, all rights reserved)

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