Ear asymmetry in the discrimination of monaural tonal sequences

Assessed monaural discrimination of frequency and intensity variations in tonal sequences by oddity and matching-to-sample tasks in 6 normal 22-25 yr. old listeners. Left-ear accuracy was significantly greater for intensity discrimination, but there was no significant difference between ears for fre...

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Bibliographic Details
Published in:Canadian Journal of Psychology 1972-03, Vol.26 (1), p.106-110
Main Author: Doehring, Donald G
Format: Article
Language:English
Subjects:
Acoustic Stimulation
Adult
Auditory Discrimination
Auditory Pathways - physiology
Auditory Perception
Discrimination (Psychology)
Ear (Anatomy)
Ear - physiology
Functional Laterality
Human
Humans
Judgment
Lateral Dominance
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Summary:Assessed monaural discrimination of frequency and intensity variations in tonal sequences by oddity and matching-to-sample tasks in 6 normal 22-25 yr. old listeners. Left-ear accuracy was significantly greater for intensity discrimination, but there was no significant difference between ears for frequency discrimination. Results provide further evidence that dichotic presentation is not essential for the demonstration of ear asymmetry. Under the proper conditions, the contralateral connections of the ears and cerebral hemispheres appear sufficiently strong to dominate other pathways even in the absence of competing stimuli. (French summary)
ISSN:0008-4255
1196-1961
1878-7290
DOI:10.1037/h0082411