Document Detail

Delayed evoked oto-acoustic emissions and their suppression by Gaussian-shaped pressure impulses.
MedLine Citation:
PMID:  6630088     Owner:  NLM     Status:  MEDLINE    
The sound pressure of delayed evoked oto-acoustic emissions was measured as a function of the sound pressure of the stimulating sound impulse. They are directly proportional for sensation levels of the stimuli lower than about 20 dB; above that level, the emission saturates. Spontaneous emissions lying in the same frequency range as evoked emissions seem to influence this simple relation. Within the linear range, delayed emissions superimpose linearly even throughout long lasting delayed emissions. Short test tone bursts were used as test sound, to produce masking-period patterns, and as stimulus, to produce suppression-period patterns, respectively, while low-frequency Gaussian-shaped pressure impulses served as masker and as suppressor. The very close relation of the two patterns is indicated by their mirrored forms. This is considered directly relevant to the phenomenon of masking.
E Zwicker
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Hearing research     Volume:  11     ISSN:  0378-5955     ISO Abbreviation:  Hear. Res.     Publication Date:  1983 Sep 
Date Detail:
Created Date:  1983-12-20     Completed Date:  1983-12-20     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  7900445     Medline TA:  Hear Res     Country:  NETHERLANDS    
Other Details:
Languages:  eng     Pagination:  359-71     Citation Subset:  IM    
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MeSH Terms
Acoustic Stimulation
Auditory Perception / physiology*
Cochlea / physiology*
Cochlear Microphonic Potentials
Ear Canal / physiology*
Middle Aged
Perceptual Masking / physiology

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