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Fabien Mathy

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titre
Reduced deficits observed in children and adolescents with developmental language disorder using proper nonverbalizable span tasks
auteur
Seçkin Arslan, Lucie Broc, Thierry Olive, Fabien Mathy
article
Research in Developmental Disabilities, Elsevier, 2020, 96, ⟨10.1016/j.ridd.2019.103522⟩
annee_publi
2020
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Article dans une revue
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titre
Allegedly phonological processes in sequential processing of lexical, grammatical, and phonological information
auteur
Tobias Scheer, Fabien Mathy, Fanny Meunier
article
59th Annual meeting of the Psychonomic Society, Nov 2019, New Orleans, United States
annee_publi
2019
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Communication dans un congrès
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titre
Organization in Working Memory is Driven by the Compressibility of Information
auteur
Laura Lazartigues, Frédéric Lavigne, Carlos Aguilar, Fabien Mathy
article
60th Annual Meeting of the Psychonomic Society, Nov 2019, Montréal, Canada
annee_publi
2019
resume
Working memory (WM) is known to be limited in capacity, but mechanisms based on compression of information could contribute to the storage process. It has been shown that chunking governed by compression could be one of these mechanisms. The present study investigated how chunks can be formed using patterns to be discovered on the spot, that is, without these chunks being already formed in long-term memory. We predicted that a compact representation could leave room in WM at the expense of the quality. Our method was based on a compressibility metric that allowed prediction of memory errors linked to a lossy compression process. Our result showed that RTs and errors depended on compressibility, and those measures might be interpretable in terms of over-compressibility. We discuss the results to conclude that the present study offers a comprehension of WM capacity which cannot be accounted easily by shared-allocation models or discrete-slots models.
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Poster
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titre
Statistical learning of adjacent and non-adjacent pairs in non-linguistic short sequences
auteur
Laura Lazartigues, Fabien Mathy, Arnaud Rey, Joël Fagot, Frédéric Lavigne
article
21st Conference of the European Society for Cognitive Psychology (ESCOP), Sep 2019, Tenerife, Spain
annee_publi
2019
resume
The ability to learn adjacent and non-adjacent pairs is central in language processing. However, current evidence indicates that adjacent and non-adjacent pairs are not equally learnable. The present study investigated the role of transitional probabilities during the learning of adjacent and non-adjacent pairs appearing in non-linguistic short sequences. Participants were exposed to four sequences of three stimuli ABC repeated randomly during the experiment, with each stimulus corresponding to a given position of a dot on a touchscreen. In the first experiment the transition BC of the triplet ABC was predictable while the first transition AB was unpredictable. The second experiment required the learning of the fully predictable non-adjacent pair AC while the transitions AB and BC were unpredictable. The results showed that participants learned adjacent pairs and had greater difficulty to learn the non-adjacent pairs. These data provide additional constraints for modeling statistical learning mechanisms.
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Poster
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titre
The Influence of Sleep on Relearning and Long-term Retention of Verbal Items
auteur
Raphaëlle Rebillart-Sauvaigo, Emilie Gerbier, Fabien Mathy
article
21st conference of the European Society for Cognitive Psychology, Sep 2019, Tenerife, Spain
annee_publi
2019
resume
We aimed to examine the generalizability of the results obtained by Mazza et al. (2016) on the effect of sleep on relearning and long-term retention. They showed that Swahili-French word pairs were relearned faster after a 12-hour interval when nocturnal sleep was interspersed during this interval, and that they were also better recalled one week later. They used an intensive relearning procedure using tests with feedback until a criterion of all 16 items correct in a row, possibly leading to overlearning. We replicated this original study with a less demanding criterion for relearning, i.e., one correct answer per item. The data are currently being collected. They will indicate whether the sleep effect on relearning and on long-term retention was due to the specific relearning methods, and possibly by overlearning, in Mazza et al.’s study, or whether they can be generalized to different relearning procedures.
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Poster
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https://hal.archives-ouvertes.fr/hal-02487151/file/PosterESCOP_Rebillart-Sauvaigo.pdf BibTex
titre
Statistical learning of first and second order transitional probabilities
auteur
Laura Lazartigues, Fabien Mathy, Arnaud Rey, Joël Fagot, Frédéric Lavigne
article
Interdisciplinary Advances in Statistical Learning, Jun 2019, San Sebastian, Spain
annee_publi
2019
resume
The present study manipulates first and second order transitional probabilities during the statistical learning of short sequences. Participants were exposed to four sequences of three stimuli (ABC) repeated during the task, with each stimulus corresponding to the position of a red dot on a touchscreen. Participants were required to touch the dots as quickly as possible and response times were recorded between the first two stimuli (Transition Time 1 or TT1) and between the last two stimuli (TT2). In the first experiment the transition AB of a triplet ABC was fully predictable (p(B|A) = 1) while the second transition BC was unpredictable (p(C|B) = .5). The second experiment was a serial version of the exclusive-or (XOR), all first order transitional probabilities were equally unpredictable (p(B|A) = .5, p(C|B) = .5), while the combination of the first two stimuli fully predicted the last stimulus (p(C|AB) = 1). Results showed that participants were able to learn both type of transitional probabilities. The different evolution patterns of TT1 and TT2 and their implications in term of statistical learning mechanisms are discussed.
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Poster
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titre
Sleep Enhances Retention and Relearning Speed of Textual Information
auteur
Raphaëlle Rebillart-Sauvaigo, Emilie Gerbier, Fabien Mathy
article
International meeting of the LabEx CORTEX, Jun 2019, Lyon, France
annee_publi
2019
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Poster
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https://hal.archives-ouvertes.fr/hal-02487135/file/Poster%20Lyon%20_Rebillart-Sauvaigo.pdf BibTex
titre
A dual-process memory account of how to make an evaluation from complex and complete information
auteur
Ismaël Rafaï, Sébastien Duchêne, Eric Guerci, Ariane Lambert-Mogiliansky, Fabien Mathy
article
Revue Economique, Presses de Sciences Po, 2019, 70 (6), pp.1079-1094
annee_publi
2019
resume
Individuals are required to cope with uncertain, dispersed, incomplete, and incompatible sources of information in real life. We devised an experiment to reveal empirical “anomalies” in the process of acquisition, elaboration and retrieval of economic related information. Our results support the existence of a dual process in memory that is posited by the Fuzzy Trace Theory: acquisition of information leads to the formation of a gist representation which may be incompatible with the exact verbatim information stored in memory. We gave participants complex and complete information and then measured their cognitive ability. We conclude that individuals used their gist representation rather than processing verbatim information appropriately to make an evaluation Finally, we provide evidence that subjects with low cognitive abilities tend to demonstrate more often this specific behavior.
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titre
Working memory impairments extend to non-verbal domains in post-stroke aphasia
auteur
Seçkin Arslan, Semra Selvi Balo, Lucie Broc, İlknur Maviş, Fanny Meunier, Fabien Mathy
article
Frontiers in Human Neuroscience, Frontiers, 2019, 13, Conference Abstract: Academy of Aphasia 57th Annual Meeting, ⟨10.3389/conf.fnhum.2019.01.00065⟩
annee_publi
2019
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titre
Apprendre en dormant : effet du sommeil sur l'apprentissage incident de l'orthographe lexicale
auteur
Raphaëlle Rebillart-Sauvaigo, Emilie Gerbier, Fabien Mathy
article
59ème congrès de la Société Française de Psychologie, Sep 2018, Reims, France
annee_publi
2018
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