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Inner speech and expressive language in chronic aphasia.
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.
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.