PSYB65H3 Chapter Notes - Chapter 11: Lateral Corticospinal Tract, Supplementary Motor Area, Premotor Cortex
Document Summary
Case study: *spinal cord injury: christopher reeve was thrown from his horse at a riding competition. His spinal cord was damaged at the c1 & c2 level, at the upper end of the spine: his brain and the remain of his spinal cord were intact and functioning, but they were no longer connected. Therefore, his body below the neck was paralyzed. Learned to wiggle his toes, move the fingers on his left hand, and distinguish between hot and cold and sharp and dull sensations over his body. With aquatherapy, he learned to kick his legs. Movement is a defining feature: somasensation is closely related to movement. The other senses work through the somatosensory system to produce movement. Evolutionary the spinal cord developed first followed by the brainstem and then the. Forebrain: the mammalian nervous system functions in a hierarchically organized structure where higher regions work through influence of lower areas.
