NDLI: Perception of the Missing Fundamental by Chinchillas in the Presence of Low-Pass Masking Noise

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The effect of static ear canal pressure on human spontaneous otoacoustic emissions: spectral width as a measure of the intra-cochlear oscillation amplitude.

Year: 2010 Volume: 11

Year: 2009 Volume: 10

Perception of the Missing Fundamental by Chinchillas in the Presence of Low-Pass Masking Noise

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Shofner, William P.
Description	Country affiliation: United States Author Affiliation: Shofner WP ( Department of Speech and Hearing Sciences, Indiana University, 200 South Jordan Ave., Bloomington, IN 47405, USA. wshofner@indiana.edu)
Abstract	The pitch of the missing fundamental (F0) is one of the principal psychological attributes of human pitch perception. Behavioral responses to harmonic tone complexes having missing F0s were measured in chinchillas using operant conditioning and stimulus generalization. Animals were trained to discriminate between tone complexes having a 500-Hz F0 and a 125-Hz F0. When animals were tested with tone complexes having the same F0s, but where the F0s were missing, responses were similar to those obtained when the F0s were present, suggesting that missing F0 sounds were perceptually equivalent to F0 present sounds. Behavioral responses to F0 present and missing F0 stimuli were similar in the presence of low-pass masking noise, suggesting that the perception was not due to the reinsertion of the F0 through cochlear nonlinearities. Gradients in behavioral responses were observed when the F0s of test complexes were systematically varied, suggesting the existence of a psychological dimension related to F0. Behavioral responses were related to the F0 rather than to spectral differences among test stimuli when the F0 and spectrum were varied independently. The results indicate that chinchillas possess a pitch-like perception of the missing F0 that is unlikely to arise from cochlear distortion products.
File Format	HTM / HTML
ISSN	15253961
e-ISSN	14387573
DOI	10.1007/s10162-010-0237-0
Journal	Journal of the Association for Research in Otolaryngology
Issue Number	1
Volume Number	12
Language	English
Publisher	Springer
Publisher Date	2011-02-01
Publisher Place	United States
Access Restriction	Open
Subject Keyword	Discipline Otolaryngology Pitch Perception Animals Chinchilla Conditioning, Operant Periodicity Research Support, N.i.h., Extramural
Content Type	Text
Resource Type	Article
Subject	Otorhinolaryngology Sensory Systems

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Perception of the Missing Fundamental by Chinchillas in the Presence of Low-Pass Masking Noise

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Perception of the Missing Fundamental by Chinchillas in the Presence of Low-Pass Masking Noise

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Perception of the Missing Fundamental by Chinchillas in the Presence of Low-Pass Masking Noise

Detection of tones in reproducible noise maskers by rabbits and comparison to detection by humans.

Estimating cochlear frequency selectivity with stimulus-frequency otoacoustic emissions in chinchillas.

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Perception of the Missing Fundamental by Chinchillas in the Presence of Low-Pass Masking Noise