Decreased sensitivity or feeling affecting one half or one side of the body.
From 'hemi-' (half) + 'hypo-' (under/reduced) + Greek 'aisthesis' (sensation), a neurological term for partial sensory loss on one side.
Hemihypesthesia is common after a stroke—you might not feel a pinprick on one side of your face or body because the sensory pathways in your brain are damaged, and it's one of the first signs doctors look for to identify where brain damage occurred.
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