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La prise en charge des troubles du marquage grammatical du temps dans l'aphasie: une revue systématique

2023-2-7, Ericson, Célia, Schaffner, Evodie, Fossard, Marion

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Mental Time Travel and Time Reference Difficulties in Alzheimer's Disease: Are they related? A systematic review

2022-5-9, Schaffner, Evodie, Sandoz, Mélanie, Grisot, Cristina, Auclair-Ouellet, Noemie, Fossard, Marion

Mental time travel and language enable us to go back and forth in time and to organizeand express our personal experiences through time reference. People with Alzheimer’sdisease have both mental time travel and time reference impairments, which can greatlyimpact their daily communication. Currently, little is known about the potential relationshipbetween time conceptualization (i.e., mental time travel) and time reference difficulties inthis disease. A systematic review of the literature was performed to determine if this linkhad already been investigated. Only three articles integrated both time conceptualizationand time reference measures. However, the link between the two was not systematicallyanalyzed and interpreted. This review highlights the lack of research addressing thequestion of the influence of time conceptualization impairments in Alzheimer’s disease onother cognitive domains, and especially language

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Time reference in aphasia: are there differences between tenses and aphasia fluency type? A systematic review and individual participant data meta-analysis

2024-02-08, Cordonier, Natacha, Schaffner, Evodie, Zeroual Lana, Fossard, Marion

Time reference is used to build the temporal framework of discourse and is essential in ensuring efficient communication. Several studies have reported time reference deficits in fluent and non-fluent aphasia and have shown that tenses (past, present, future) are not all impaired to the same extent. However, there is little consensus on the dissociations between tenses, and the question of the influence of the type of aphasia (fluent vs. non-fluent) on time reference remains open. Therefore, a systematic review and an individual participant data meta-analysis (or mega-analysis) were conducted to determine (1) whether one tense is more impaired than another in fluent and non-fluent aphasia and, if so, (2) which task and speaker-related factors moderate tense effects. The systematic review resulted in 35 studies reporting the performance in time reference of 392 participants. The mega-analysis was then performed on 23 studies for a total of 232 participants and showed an alteration of past tense compared to present and future tenses in both types of aphasia. The analysis also showed a task and an age effect on time reference but no gender effect, independently of tenses. These results add to our knowledge of time reference in aphasia and have implications for future therapies.