Interference Control in Aphasia

Szöllősi, Izabella and Marton, Klára (2016) Interference Control in Aphasia. Psychologia Hungarica Caroliensis, 4 (1). pp. 169-187. ISSN 2064-2504

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Abstract

Current neuro-cognitive research suggests that higher cognitive abilities interact with each other within a multifunctional cognitive system. Thus, acquired language dysfunctions may co-occur with impairments of other cognitive functions, such as inhibition or information processing. In the present study, we examined performance on various cognitive tasks in individuals with aphasia. These tasks included measures of vigilance, resistance to distractor and proactive interference, and response inhibition. These executive functions play signifi cant roles in different language processes. Six participants with aphasia and 6 control participants were involved in the study. We used computer-based tasks and measured accuracy and reaction times. Although participants with and without aphasia did not differ in their accuracy in most tasks, individuals with aphasia showed increased reaction times compared to the controls across tasks. Our fi ndings suggest that individuals with aphasia show a general slowness in information processing that might affect both language and other cognitive functioning.

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