PSY318H5 Chapter Notes - Chapter 1: Medial Longitudinal Fissure, Traumatic Brain Injury, Lateral Sulcus
Document Summary
21 yrs old slipped and fell down stairs. Was unconscious, some damage to both sides of brain. Memory and attention abilities required for mental skill executive function impaired on tests of verbal memory and attention, otherwise normal played golf, but couldn"t prepare meals. Cns does not regenerate lost tissue, but the pns does. Motor pathways = group of nerve fibers that connect brain and sc to body"s muscles through somatic ns. Autonomic ns consist of sensory and motor pathways that influence muscles of internal organs such as. Pns consists of nerve fibers that carry info away from the cns and others bring info to it. Sensory pathways carry info by means of somatic ns beating of heart, contractions of stomach, raising and lowering of diaphragm. Galen refuted the cardiac hypothesis noticed that p on brain caused cessation of movement and even death but p on the heat does not arrest voluntary behaviour.
