Inner speech deficits in people with aphasia

Frontiers in Psychology 6:1-10 (2015)

Authors
Peter Langland-Hassan
University of Cincinnati
Abstract
Despite the ubiquity of inner speech in our mental lives, methods for objectively assessing inner speech capacities remain underdeveloped. The most common means of assessing inner speech is to present participants with tasks requiring them to silently judge whether two words rhyme. We developed a version of this task to assess the inner speech of a population of patients with aphasia and corresponding language production deficits. As expected, patients’ performance on the silent rhyming task was severely impaired relative to controls. More surprisingly, however, patients’ performance on this task did not correlate with their performance on a variety of other standard tests of overt language abilities. In particular, patients who were generally unimpaired in their abilities to overtly name objects during confrontation naming tasks, and who could reliably judge when two words spoken to them rhymed, were still severely impaired (relative to controls) at completing the silent rhyme task. This seems to suggest that inner speech was more severely impaired in these patients than outer speech. However, these results should also cause us to critically reflect on the relation between inner speech and silent rhyme judgments more generally.
Keywords Inner speech  aphasia
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DOI 10.3389/fpsyg.2015.00528
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References found in this work BETA

Thinking Without Words.José Luis Bermúdez - 2003 - Oxford University Press.
Working Memory, Thought, and Action.Alan Baddeley - 2007 - Oxford University Press.
The Cognitive Functions of Language.Peter Carruthers - 2002 - Behavioral and Brain Sciences 25 (6):657-674.

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Citations of this work BETA

From Introspection to Essence: The Auditory Nature of Inner Speech.Peter Langland-Hassan - forthcoming - In Peter Langland-Hassan & Agustin Vicente (eds.), Inner Speech: New Voices. Oxford: Oxford University Press.

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