NeuronalRecovery - • Follows myelin sheaths when possible...

Info icon This preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
1 Recovery from nerve damage Stroke Hemorrhagic (hemolytic) Aneurysm Thrombotic (ischemic) Blood clot, atherosclerosis Trauma Closed head injury Acute Chronic Tumors Damage from stroke Cell damage – Overstimulation release of K+, glutamic acid lack of homeostasis in cellular metabolism – Understimulation • apoptosis diaschisis (downstream understimulation) Damage from trauma Closed head injury – Acute Subdural hematoma; other bleeding Contra cu injuries – Chronic Dementia pugilistica Other dementias
Image of page 1

Info icon This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
2 Recovery • Age – Kennard principle Young is better (often in error, however) Physical therapy – Usually helpful • Reorganization – Many components Reorganization of the nervous system Regrowth of axons – Sperry: growth along/toward chemical signals – Weiss: axoplasmic transport, growth
Image of page 2