Psychology 1000 Lecture 8: Brain Nervous System Neurophysiology IV

• School: Western University
• Department: Psychology
• Course: Psychology 1000
• Professor: Laura Fazakas- De Hoog

Document Summary

Psychol 1000 - lecture 8 - brain/nervous system/neurophysiology iv. Visual information is processed mainly in the. The ________ is very important for processing fast reflexive involuntary movement. Executive functions (ceo of brain) mental activities involved with. Phineas gage railroad spike through his prefrontal lobe and lost the ability to plan and became behaviourally impulsive. Prefrontal lobotomies (1940"s and 1950"s) patients who exhibited bizarre and violent behaviour given prefrontal lobotomy. Severing nerve connections between prefrontal lobe and subcortical regions associated with emotion. Result: calming effects, but lost of executive functions. Murderous acts (pet scans showed less prefrontal activity) Refers to relatively greater localization of function in one hemisphere or the other. 95% of those have left hemisphere language dominance. 25% have language functions in both hemispheres. Emotion: positive emotion (greater left hemisphere) and negative emotion (greater right hemisphere) Symptoms of apathy, denial of disabilities, verbal disinhibition. Depressed mood, mood fluctuations, anxiety and irritability.