Article (Scientific journals)
Two distinct origins of long-term learning effects in verbal short-term memory
Majerus, Steve; Martinez Perez, Trecy; Oberauer, Klaus
2012In Journal of Memory and Language, 66, p. 38-51
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Keywords :
short-term memory; long-term memory; implicit learning; Hebb learning
Abstract :
[en] Verbal short-term memory (STM) is highly sensitive to learning effects: digit sequences or nonword sequences which have been rendered more familiar via repeated exposure are recalled more accurately. In this study we show that sublist-level, incidental learning of item co-occurrence regularities affects immediate serial recall of words and nonwords, but not digits. In contrast, list-level chunk learning affects serial recall of digits. In a first series of experiments, participants heard a continuous sequence of digits in which the co-occurrence of digits was governed by an artificial grammar. In a subsequent STM test participants recalled lists that were legal or illegal according to the rules of the artificial grammar. No advantage for legal lists over illegal lists was observed. A second series of experiments used the same incidental learning procedure with nonwords or non-digit words. An advantage for legal versus illegal list recall was observed. A final experiment used an incidental learning task repeating whole lists of digits; this led to a substantial recall advantage for legal versus illegal digit lists. These data show that serial recall of non-digit words is supported by sublist-level probabilistic knowledge, whereas serial recall of digits is only supported by incidental learning of whole lists.
Disciplines :
Theoretical & cognitive psychology
Neurosciences & behavior
Author, co-author :
Majerus, Steve  ;  Université de Liège - ULiège > Département de Psychologie : cognition et comportement > Psychopathologie cognitive
Martinez Perez, Trecy  ;  Université de Liège - ULiège > Département de Psychologie : cognition et comportement > Psychopathologie cognitive
Oberauer, Klaus;  Universität Zürich - UZH
Language :
English
Title :
Two distinct origins of long-term learning effects in verbal short-term memory
Publication date :
2012
Journal title :
Journal of Memory and Language
ISSN :
0749-596X
eISSN :
1096-0821
Publisher :
Academic Press, San Diego, United States - California
Volume :
66
Pages :
38-51
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 26 July 2011

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