Course
Supplementary motor area (SMA) strokes — initiation problems, ‘alien hand’, and detection (Advanced)
Advanced course: SMA strokes (often ACA/MCA border) can cause trouble initiating movement/speech, gait-start hesitation, and sometimes ‘alien hand’ phenomena. Learn ischemic vs hemorrhagic differences and how MRI/CT localize
FoundationsCaregiver, SurvivorAdvanced40 minPlain (6–8)
Educational only
Educational only — not medical advice.
What you'll learn
- Recognize SMA-related symptoms (initiation, akinesia, gait start)
- Understand ‘alien hand’ as a brain network symptom
- Understand how ACA territory and medial frontal location relate to SMA deficits
- Know how CT/MRI detect ischemic vs hemorrhagic injury and what rehab targets help
Practice check
Check your understanding
A few untimed questions. Pick an answer to see instant feedback, then continue to the next lesson.
0 of 3 answered