What is it about?
Many individuals with chronic aphasia, or the loss of language post-stroke, describe an ability to "see" or "hear" language in their mind's eye but profess an inability to produce that language overtly, either via spoken language or writing. Our goal was to assess how often this discrepancy between inner and overt speech occurred in a relatively large sample of participants with aphasia. Further, we wanted to evaluate whether preserved inner speech, when accompanied by poor overt speech, was related to any other measures of language and cognition.
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Why is it important?
Inner speech, when preserved relative to other measures of overt language, appeared to facilitate certain overt language measures (writing; naming). It may be the case that inner speech is a suitable therapeutic target to improve overt language in chronic aphasia.
Perspectives
The subjective experience of intact inner speech is one that we have encountered in a relatively large subset of individuals with chronic aphasia. That is, the individuals will speculate that the word itself or an image of the word is present in their mind's eye or ear, but that they cannot produce the word overtly. We aimed to investigate this phenomena using a common assessment of inner speech (covert rhyming and homophone discrimination) and to compare their inner speech ability with overt language ability.
Brielle Stark
University of South Carolina System
Read the Original
This page is a summary of: Inner Speech's Relationship With Overt Speech in Poststroke Aphasia, Journal of Speech Language and Hearing Research, September 2017, American Speech-Language-Hearing Association (ASHA),
DOI: 10.1044/2017_jslhr-s-16-0270.
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