Effects of Modality and Word Frequency in Sentence Comprehension in People with Aphasia

DeDe, Gayle (2011) Effects of Modality and Word Frequency in Sentence Comprehension in People with Aphasia. [Clinical Aphasiology Paper]

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Abstract

Many people with aphasia have sentence comprehension impairments. However, little is known about whether these impairments are similar in the spoken and written modalities. The present study investigated whether people with aphasia show similar word frequency effects in both modalities. People with aphasia and non-brain-damaged controls participated (n=8 per group). Twenty-one sentence pairs containing high and low frequency words were presented in self-paced listening and reading tasks. Both groups had longer response times for low than high frequency words in both tasks. Single case analyses suggested that people with aphasia showed greater effects of word frequency in reading than listening.

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