Ischemic or hemorrhagic stroke.
Hemiparesis in an upper extremity.
Able to communicate in English (or Spanish,Rancho Los Amigos site only).
Willing to attend outpatient therapy & f/u evaluations for 1 yr.
Some active finger extension.
Traumatic or non-vascular brain injury, subarachnoid hemorrhage, AV malformation.
History of psychiatric illness requiring hospitalization within past 24 mos.
Active drug treatment for dementia.
Neurologic condition that may affect motor response (e.g. Parkinson's, ALS, MS).
History of head trauma requiring >48 hours of hospitalization within past 12 mos.
Amputation of all fingers or thumb of hemiparetic (weak) arm.
Treated with Botox in affected arm within last 3 months.