Anterograde memory deficits for visuospatial material after infarction of the right thalamus.

A patient with a discrete lesion in the region of the right dorsomedial thalamic nucleus had anterograde memory impairment for visuospatial material. The thalamus may be critical for memory function because of its reciprocal connections with dorsolateral and orbitofrontal cortex and also because of its participation in both basolateral and medial limbic systems.