PSYC 100 Lecture Notes - Lecture 6: Positive Psychology, World Health Organization, Grey Matter

• School: McGill University
• Department: Psychology
• Course: PSYC 100
• Professor: Daniel Levitin

Document Summary

The+ body+ responds+ to+ weight+ loss+ be+ slowing+ down+ metabolism,+ after+ the+ body+ has+ been+ deprived+of+food,+it+needs+less+food+to+maintain+a+given+body+weight;+weight+gain+occurs+much+ faster+when+previously+starved+ Anorexia:+ excessive+ fear+ of+ becoming+ fat+ and+ refusal+ to+ eat. + 1%+ of+ the+ population+ meet+ the+ criteria:+objective+measures+of+thinness+and+psychological+characteristics+that+indicate+abnormal+ obsession+with+food+and+body+weight. +can+lead+to+loss+of+bone+density+and+15g22%+die. ++ Data+from+world+health+organization,+increasing+numbers+of+people+are+smoking+in+lowgincome+ countries. +5. 4m+deaths+are+caused+by+tobacco+every+year. +1g+of+people+will+die+in+this+century. +1+ in+4+american+are+smokers,+440k+deaths+in+the+us+per+year. +most+smokers+begin+in+childhood+or+ adolescence,+ every+ day+ 5000+ americans+ between+ 11g17+ years+ old+ have+ their+ 1st+ cigarette;+ half+ will+continue+smoking+and+a+third+will+die+from+it. +by+the+12th+grade+70%+have+had+experiences+ with+tobacco+products,+30%+smoke+regularly. + Starting+ smoking:+ coughing,+ watery+ eyes,+ bad+ taste,+ and+ nausea. + social+ influences:+ adolescents+ will+more+likely+smoke+if+their+parents+or+friends+are+smoking. +false+consensus+effect:+they+over+ estimate+the+number+of+smokers. + "being+a+smoker""+has+an+influence;+they+are+viewed+as+tough,+ sociable,+good+with+members+of+the+opposite+sex. +children+take+it+up+to+look+cool. ++ Reduced+ depression,+ enhanced+ memory+ and+ cognition:+ miracleggro+ for+ our+ brains+ (aerobic+ exercise+ promotes+ neurogenesis,+ the+ growth+ of+ new+ neurones+ and+ neural+ connections)+ the+ additional+ neurons+ created+ through+ exercise+ result+ in+ larger+ brains,+ affecting+ especially+ the+ hippocampus. ++ Study:+ adults+ between+ 60g79+ in+ a+ 6+ months+ aerobic+ plan+ showed+ increased+ white+ and+ gray+ matter. + makes+ us+ heal+ faster. + adults+ with+ memory+ problems+ showed+ increased+ memory+ and+ cognition. +exercise+reduces+memory+decline+in+older+adults+with+moderate+problems. + Genetics,+ affordable+ health+ care,+ culture. + acculturation+ (extent+ to+ which+ an+ individual+ accommodate+to+the+culture)+is+important. ++ Happiness+ has+ 3+ components:+ positive+ emotions+ and+ pleasure,+ engagement+ in+ life,+ meaningful+ life. +when+one+increases+the+others+increase+as+well. ++