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Decay of auditory memory in vowel discrimination
Abstract:
Two experiments on same-different vowel discrimination are reported. In each, the main variable was the duration of a silent delay between the two items being judged. As would be expected from the assumption that such judgements depend at least partly on auditory sensory memory, longer delays led to poorer discrimination than shorter delays. The auditory memory loss seems to be asymptotic at about 3 sec, whether it is measured by correct discrimination of (as in one part of Experiment 2) by the contextual influence of the first vowel on identification of the second.
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