Promoting the experimental dialogue between working memory and chunking: Behavioral data and simulation

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Publicado en:Memory & Cognition vol. 44, no. 3 (Apr 2016), p. 420-434
Autor principal: Portrat, Sophie
Otros Autores: Guida, Alessandro, Phénix, Thierry, Lemaire, Benoît
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Springer Nature B.V.
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100 1 |a Portrat, Sophie 
245 1 |a Promoting the experimental dialogue between working memory and chunking: Behavioral data and simulation 
260 |b Springer Nature B.V.  |c Apr 2016 
513 |a Journal Article 
520 3 |a Working memory (WM) is a cognitive system allowing short-term maintenance and processing of information. Maintaining information in WM consists, classically, in rehearsing or refreshing it. Chunking could also be considered as a maintenance mechanism. However, in the literature, it is more often used to explain performance than explicitly investigated within WM paradigms. Hence, the aim of the present paper was (1) to strengthen the experimental dialogue between WM and chunking, by studying the effect of acronyms in a computer-paced complex span task paradigm and (2) to formalize explicitly this dialogue within a computational model. Young adults performed a WM complex span task in which they had to maintain series of 7 letters for further recall while performing a concurrent location judgment task. The series to be remembered were either random strings of letters or strings containing a 3-letter acronym that appeared in position 1, 3, or 5 in the series. Together, the data and simulations provide a better understanding of the maintenance mechanisms taking place in WM and its interplay with long-term memory. Indeed, the behavioral WM performance lends evidence to the functional characteristics of chunking that seems to be, especially in a WM complex span task, an attentional time-based mechanism that certainly enhances WM performance but also competes with other processes at hand in WM. Computational simulations support and delineate such a conception by showing that searching for a chunk in long-term memory involves attentionally demanding subprocesses that essentially take place during the encoding phases of the task. 
653 |a Studies 
653 |a Memory 
653 |a Reading 
653 |a Competition 
653 |a Phonetics 
653 |a Reading comprehension 
653 |a Paradigms 
653 |a Phonology 
653 |a Memoranda 
653 |a Information processing 
653 |a Young adults 
653 |a Encoding (Cognitive process) 
653 |a Long term memory 
653 |a Complexity 
653 |a Simulation 
653 |a Long term 
653 |a Recall 
653 |a Encoding 
653 |a Mathematical models 
653 |a Letters (Correspondence) 
653 |a Short term memory 
653 |a Adults 
653 |a Acronyms 
653 |a Dialogue 
653 |a Cognitive systems 
700 1 |a Guida, Alessandro 
700 1 |a Phénix, Thierry 
700 1 |a Lemaire, Benoît 
773 0 |t Memory & Cognition  |g vol. 44, no. 3 (Apr 2016), p. 420-434 
786 0 |d ProQuest  |t ABI/INFORM Global 
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