Cognitive-motor Exercise for Stroke Patients in Function, Cognition and Related Brain Changes.

This study tests a combined program of physical and brain exercises to help stroke survivors improve their walking, thinking, and overall brain health. **You may be eligible if...** - You had a stroke more than 6 months ago - You are 50 years old or older - You can follow verbal instructions - You scored at least 22 on a standard memory and thinking test - You can walk for 1 minute without physical assistance - You are not currently in any formal rehabilitation program - You have some ankle movement in the standing position **You may NOT be eligible if...** - You have a medical condition that makes exercise unsafe (e.g., unstable chest pain) - You have a pacemaker or other reason you cannot have an MRI - You are color blind - You have a neurological condition other than stroke - You have pain that prevents you from walking - You have other significant health complications Talk to your doctor to see if this trial is right for you.