Publication Brisebois et coll. (2023)

Référence complète

Amélie Brisebois, Simona Maria Brambati, Elizabeth Rochon, Carol Leonard et Karine Marcotte. (2023). The longitudinal trajectory of discourse from the hyperacute to the chronic phase in mild to moderate poststroke aphasia recovery: A case series study. International Journal of Language & Communication Disorders, 1–26.

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RÉSUMÉ (en anglais)

Discourse analysis has recently received much attention in the aphasia literature. Even if post-stroke language recovery occurs throughout the longitudinal continuum of recovery, very few studies have documented discourse changes from the hyperacute to the chronic phases of recovery.

Aims: To document a multilevel analysis of discourse changes from the hyper- acute phase to the chronic phase of post-stroke recovery using a series of single cases study designs.

Methods & Procedures: Four people with mild to moderate post-stroke apha- sia underwent four assessments (hyperacute: 0–24 h; acute: 24–72 h; subacute: 7–14 days; and chronic: 6–12 months post-onset). Three discourse tasks were per- formed at each time point: a picture description, a personal narrative and a story retelling. Multilevel changes in terms of macro- and microstructural aspects were analysed. The results of each discourse task were combined for each time point. Individual effect sizes were computed to evaluate the relative strength of changes in an early and a late recovery time frame.

Outcomes & Results: Macrostructural results revealed improvements through- out the recovery continuum in terms of coherence and thematic efficiency. Also, the microstructural results demonstrated linguistic output improvement for three out of four participants. Namely, lexical diversity and the number of

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