Abstract
Broca's aphasia is the most challenging communication deficit in stroke. Left inferior frontal gyrus (IFG), a key region of the mirror-neuron system, gets lesioned in Broca's aphasia. Mirror therapy (MT), a form of action-observation, may trigger the mirror neurons. The aim of this study was to report a case of poststroke subject with Broca's aphasia, who exhibited an inadvertent and significant improvement in speech after MT for the paretic upper limb. The 20-month old stroke patient underwent MT through goal-directed tasks. He received a total absence of spontaneous speech, writing, and naming. After 45 sessions of task-based MT for the upper limb, he showed tremendous recovery in expressive communication. He had fluent and comprehensive communication; however, with a low pitch and minor pronunciation errors. He showed a substantial change (from 18/100 to 79/100) on the Communicative Effective Index, particularly, on items such as expressing emotions, one-to-one conversation, naming, and spontaneous conversation.
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