An auditory repetition deficit under low memory load.
Previous studies of the auditory analogue of repetition blindness have led to different conclusions regarding the nature of the effect (e.g., N. Kanwisher & M. C. Potter, 1989; M. Miller & D. MacKay, 1994). In the present study, recall accuracy for repeated elements was examined with lists of 2 or 3 items presented dichotically under high temporal pressure. When this procedure was used, a repetition deficit in recall was obtained for both vowels (Experiment 1) and consonant-vowel syllables (Experiment 2). Further experiments demonstrated that this deficit decreases as the stimulus onset asynchrony between the 2 critical elements increases (Experiment 3) and showed that the effect also occurs for words and not just nonsense syllables (Experiment 4). In all 4 experiments, estimations of guessing biases showed that responses to unrepeated lists were not artificially favored over responses to repeated lists.
Soto-Faraco
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Departament de Psicologia Bàsica, Universitat de Barcelona, Spain.
D000161:Acoustic Stimulation / Q000379:methods; D000328:Adult; D001307:Auditory Perception; D004292:Dominance, Cerebral; D005260:Female; D006801:Humans; D008037:Linguistics; D008297:Male; D008568:Memory; D011939:Mental Recall; D011214:Practice, Psychological; D012033:Refractory Period, Psychological; D013030:Spain; D013997:Time Factors