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Influence of orthographic knowledge on auditory serial recall of nonwords ?

par Demoulin, Catherine ;Kolinsky, Régine ;Morais, Jose
Référence BAPS 2014 (May 27, 2014: KU Leuven)
Publication Non publié, 2014-05-27

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Résumé :

Immediate serial recall (ISR) of lists of monosyllabic words or nonwords is a paradigm frequently employed to study verbal short-term memory (STM). Using this paradigm, numerous studies have shown that performance in verbal STM is highly supported by language knowledge stored in long-term memory, as demonstrated by the occurrence of lexicality, word frequency, phonotactic frequency and word imageability effects. Although phonological and orthographic memory representations are highly connected in literate people, very few studies have explored to what extend orthographic knowledge influences auditory verbal STM. Using a within-subject design, the present study examined if inconsistent nonwords whose spelling was known to participants were better recalled than nonwords with unknown spelling. In the learning phase, each participant listened to 2 x 15 short stories presenting a new object and its name (i.e., the target nonword). Simultaneously, the picture of the novel object was shown on a screen. In one condition, the nonword was written under the picture, in the other not. After each condition, participants were administered a nonword-picture matching task (with corrective feedback) that will only end when they are able to orally recall 100% of the nonwords from its picture. This last task aimed to ensure that all participants have reached the same level of nonwords learning. Before and after the learning phase, participants were given an ISR task with 15 lists of 5 spoken nonwords. Performance in recall for nonwords with known vs. unknown spelling was assessed, but also for lists of phonological neighbours of these two types of nonwords. This latter comparison aimed to examine whether orthographic knowledge are transferred to new nonwords and facilitate their recall. All the results are not yet available at the time of abstract submission, but will be presented at the conference.