BUS 17 Lecture Notes - Lecture 18: Spinal Cord Injury, Homeostatic Plasticity, Speak Easily
Document Summary
Pure aphasias: alexia: inability to read; agraphia: inability to write; word deafness: a person cannot hear or repeat words. Cerebral vascular disorders: vascular problems can affect healthy cns functioning, because blood-vessel disease or damage can greatly reduce the flow of oxygen and glucose to a brain region. If such interferences last longer than 10 min, all cells in the affected region die. If the flow through small blood vessels is interrupted, the effects are more limited than the often-devastating consequences of damage to large vessels. If a stroke is in one restricted part of a vessel, the prognosis can be rather good because vessels in the surrounding areas can often supply blood to at least some of the deprived area. Ischemia: refers to any of a group of disorders in which symptoms are caused by vessel blockage. Is experienced as a transient ischemic attack with a variety of neurological symptoms: cerebral hemorrhage. Chapter 25: plasticity, recovery and rehabilitation k&w.
