Preprint Review Version 1 Preserved in Portico This version is not peer-reviewed

Cholinergic Pharmacotherapy in Post-stroke Aphasia: A Review

Version 1 : Received: 8 July 2022 / Approved: 11 July 2022 / Online: 11 July 2022 (08:58:05 CEST)

A peer-reviewed article of this Preprint also exists.

Katsari, M.; Angelopoulou, G.; Laskaris, N.; Potagas, C.; Kasselimis, D. Common Neuroanatomical Substrate of Cholinergic Pathways and Language-Related Brain Regions as an Explanatory Framework for Evaluating the Efficacy of Cholinergic Pharmacotherapy in Post-Stroke Aphasia: A Review. Brain Sci. 2022, 12, 1273. Katsari, M.; Angelopoulou, G.; Laskaris, N.; Potagas, C.; Kasselimis, D. Common Neuroanatomical Substrate of Cholinergic Pathways and Language-Related Brain Regions as an Explanatory Framework for Evaluating the Efficacy of Cholinergic Pharmacotherapy in Post-Stroke Aphasia: A Review. Brain Sci. 2022, 12, 1273.

Abstract

Despite the relative scarcity of studies focusing on pharmacotherapy in aphasia, there is evidence in the literature indicating that remediation of language disorders via pharmaceutical agents could be a promising aphasia treatment option. Among the various agents used to treat chronic aphasic deficits, cholinergic drugs have provided interesting results. In the current review, we focused on published reports investigating the impact of acetylcholine on language and further cognitive disturbances. It has been suggested that acetylcholine plays an important role in neuroplasticity and is related to several aspects of cognition, such as memory and attention. Moreover, cholinergic input is diffused to a wide network of cortical areas, which have been associated with language sub-processes. This could be a possible explanation for the positive reported outcomes of cholinergic drugs in aphasia recovery, and specifically in distinct language processes, such as naming and comprehension, as well as overall communication competence. However, evidence with regard to functional alterations in specific brain areas after pharmacotherapy is rather limited. Finally, despite the positive results derived from the relevant studies, cholinergic pharmacotherapy treatment in post-stroke aphasia has not been widely implemented. The present review aims to provide an overview of the existing literature in cholinergic pharmacotherapy interventions in post-stroke aphasia, following an integrated approach by converging evidence from neuroanatomy, neurophysiology, and neuropsychology.

Keywords

post-stroke aphasia; pharmacotherapy; cholinergic treatment

Subject

Social Sciences, Behavior Sciences

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