An auditory repetition deficit under low memory load

Journal/Book: J Exp Psychol Hum Percep Perf. 2000; 26: 750 First St NE, Washington, DC 20002-4242, USA. Amer Psychological Assoc. 264-278.

Abstract: 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). Tn 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 fur 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.

Note: Article Soto-Faraco S, Univ British Columbia, Dept Psychol, 2136 W Mall, Vancouver, BC V6T 1Z4, CANADA

Keyword(s): TEMPORAL DISTINCTIVENESS; REPEATED EVENTS; RAPID LISTS; BLINDNESS; MODALITY; ATTENTION; REPRESENTATION; PERCEPTION; DIFFICULT; LANGUAGE

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