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A Novel Pupillometric Method (Chapman & Hallowell, 2015) ...
Chapman, Laura R.; Hallowell, Brooke. - : ASHA journals, 2022
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A Novel Pupillometric Method (Chapman & Hallowell, 2015) ...
Chapman, Laura R.; Hallowell, Brooke. - : ASHA journals, 2022
Abstract: Purpose: Cognitive effort is a clinically important facet of linguistic processing that is often overlooked in the assessment and treatment of people with aphasia (PWA). Furthermore, there is a paucity of valid ways to index cognitive effort in PWA. The construct of cognitive effort has been indexed for decades via pupillometry (measurement of pupil dilation and constriction during a cognitive task), yet pupillometry has not been implemented in studies including PWA. In the present study, we tested a novel method for indexing cognitive effort during linguistic processing in people with and without aphasia. Method: Forty control participants and 39 PWA listened to semantically easy and difficult single nouns and looked at images while their pupillary responses were monitored. Mean pupil dilation in response to easy versus difficult nouns was calculated to index cognitive effort. Results: Larger mean pupil dilation values were obtained for difficult compared with easy nouns for both groups. Conclusion: Results ...
Keyword: 110904 Neurology and Neuromuscular Diseases; FOS Clinical medicine; Language
URL: https://dx.doi.org/10.23641/asha.14963616.v1
https://asha.figshare.com/articles/journal_contribution/A_Novel_Pupillometric_Method_Chapman_Hallowell_2015_/14963616/1
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