The contribution of cognition to the rehabilitation of language and communication deficits

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Background/Aims There is growing evidence to suggest that cognitive processes, in particular working memory and executive functions, are related to language functions such as syntactic processing, reading comprehension, narration and conversational discourse. This article offers rehabilitation considerations for speech-language pathologists to include cognitive assessment and treatment in their clinical practice. The information presented will also be useful in promoting multidisciplinary rehabilitation. Methods A critical review of the literature on the interaction between cognitive processes and linguistic functions in communication disorders was undertaken. Specific key terms including but not limited to executive functioning, working memory, language, assessment, intervention and communication disorders were searched on the Google Scholar database. Relevant literature from the last three decades pertaining to cognitive behavior, assessment and intervention in communication disorders of all age groups and severities is included in the review. Results The review presents analyses of the multidimensional and dynamic interaction of language and cognition in children (specific language impairment, attention deficit hyperactivity disorder, stuttering) and adults (traumatic brain injury, stroke, dementia) with communication disorders. The article elaborates on the speech-language pathologist's scope of practice in cognitive assessment and intervention that are consistent with the World Health Organization's International Classification of Functioning, Disability and Health framework. Conclusions By documenting cognitive-communication behaviour, speech-language pathologists are able to effectively contribute to the clinical assessment and management of cognitive deficits. However, future research efforts are required to develop clinically reliable tests of cognitive functioning in communication disorders and promote evidence-based cognitive treatment practices.

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