Sensory Aprosodia With Left Hemiparesis From Subcortical Infarction: Right Hemisphere Analogue of Sensory-Type Aphasia With Right Hemiparesis?

We report a case of sensory aprosodia with left hemiparesis following an ischemic infarction of the right thalamus and posterior limb of the internal capsule. Bedside evaluation, confirmed by special quantitative tests, demonstrated normal spontaneous affective prosody and gesturing with marked impairment of affective repetition and comprehension of affective prosody and gestures. A left hemiparesis with sensory loss was also present. This combination of deficits appears to represent the right-side analog to the unusual syndrome of Wernicketype aphasia with right hemiparesis occasionally observed following left subcortical injury, thus providing further support for the hypothesis that the functionalanatomic organization of affective language in the right hemisphere mirrors that of propositional language in the left.