Interference from short-term memory processing on encoding and reproducing brief durations |
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Authors: | Claudette Fortin Robert Rousseau |
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Institution: | (1) école de psychologie, Université Laval, Québec (Qc) Canada, G1K 7P4; Tel.: (418) 656-2131(7253); Fax: (418) 656-3646; e-mail: Claudette.Fortin@psy.ulaval.ca, CA |
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Abstract: | A temporal reproduction task is composed of two temporal estimation phases: encoding of the interval to be reproduced, followed
by its reproduction. The effect of short-term memory processing on each of these phases was tested in two experiments. In
Exp. 1, a memory set was presented, followed by two successive tones bounding the target interval to be reproduced. During
the reproduction of the target interval, a probe was presented, and the subject ended the reproduction by pressing one of
two keys, depending on the presence or absence of the probe in the memory set. In Exp. 2, probe recognition was required during
the encoding of the interval to be reproduced. Whereas in Exp. 1 reproductions lengthened as a function of memory-set size,
in Exp. 2 temporal reproductions decreased with set size. These results support attentional models of time estimation and
suggest that short-term memory processing interrupts concurrent accumulation of temporal information.
Received: 11 September 1997 / Accepted: 2 March 1998 |
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Keywords: | |
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