Four of 688 consecutive patients with right hemisphere ischemic stroke showed acute associated exploratory-motor and perceptual-sensory neglect without hemiparesis (AMSNWH). All cases had anterior cortical and posterior cortical infarctions in which motor strip and corticospinal pathways were spared. Acute AMSNWH is highly suggestive of embolic infarction in the anterior and posterior pial artery territories.
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