PSYC 330 Lecture : Psyc330 Mar 19.docx

• School: Simon Fraser University
• Department: Psychology
• Course: PSYC 330
• Professor: Richard Wright

Document Summary

Heavy metals: at what age does cognitive decline begin, no set time, very modifiable, death of neurons is inevitable as we age, exercising your brain mentally can digress onset, mental stimulation preserves interconnectivity of neurons and white matter, neuron loss can be compensated by increasing dendrite and synapses, concentration and attention focus declines with age, less frontal cortical activation in older subjects, susceptibility to interference and distraction increases, visual search for hard to fine targets declines, dividing attention between simultaneous tasks declines, orienting attention in space becomes less efficient, actions slips (absent mindedness) increase, decline in inductive reasoning, spatial orientation and most cog abilities. 3 months old only saw ior in stimulus places at 10 degrees: connections, stimulus driven (perceptual) attention processes are the first to fuly develop and the last to deteriorate, goal driven (cognitive_ attentional processes are the last to fully develop and the first to deteriorate.