PSY 1101 Lecture Notes - Lecture 1: Grey Matter, Frontal Lobe, Thalamus

• School: University of Ottawa
• Department: Psychology
• Course: PSY 1101
• Professor: Kenneth Campbell

Document Summary

Plants don"t need nervous systems because they don"t move. Nervous system gives complexity (this does not mean they are likely to survive longer eg. the 3200 year old tree) The human nervous system is extremely complex. In our four-leged friends and fish, the nervous system is found in the head (same with us because we originated from fish) A human 2-3 weeks after conception has a brain which is similar to that of a fish. The brain has three parts. (forebrain, midbrain, hindbrain) Medulla, pons, midbrain (due to evolution the forebrain has grown really big, but the brainstem is still very thin and fragile. ) Specialized senses of the head (nucliei) (your senses) Head muscles eye, ear, movement, facial muscles, tongue, lips, etc. Life support systems temperature, heart, respiration. Reticular activating system. (there is an ascending part that goes high into your and then.