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Nutrition and Dietetics
NUTR 301
Peter Bender

1. Introduction: i. Psychology… Science of Behaviour Account for human action—“why” Why do we lose our temper? survival Cell phones and driving—can handling one thing at a time. Single channel processors Addictions—drug dependence (like it but can survive without) vs addiction Don’t get addicted to cocaine—addicted from dopamine (body sees get dopamine externally so body makes less of it and body wants more externally Exercise too: dopamine made/shot off What makes an addiction: when you don’t do it, you feel badly How do we describe an individual? Domains Physical, emotional (happiness, love—send messages), intellectual, motoric (handwriting, fidgeting, knitting,etc. gross motor-lifting.) , social (interact with others) *interplay ex. Overweight=social status, etc. Many different types of psychology: industrial, business and consumer, environmental, engineering (access to wheelchairs in conference room, phone-easy to use, airplane design so pilot doesn’t make mistake), forensic (criminal profiling, emotional killing (OJ Simpson), child/adolescent, neuropsychology, sport, health, etc. All psychology tries to: a. Describe the condition b. Explain what has accounted for it (why is he aggressive?) c. Predict what is the prognosis? 2. Empirical Evidence Based upon data—research “Pop” psychology (from popular social media) Self-help Dr. Phil 3. Psychology vs Psychiatry Psychiatry: MD, prescribe drugs -medical model: balance brain chemistry, electric therapy Psychosis-lack of attachment to reality Psychology: “normal” problems—depression (can cross line), addiction (can cross line) Sleep Relationships Memory Weight control “crossing the line”—normal to abnormal (1-24 beers per day) II. Two Major Forces: 1. Genetics Chromosomes: 46- makes us distinctly human Vaginal environment (acid-boy, alkaline girl) 23 mom: 23 dad rd 23 pair XX or XY Biological basis of behaviour—appearance, color, height, hair loss (dad’s mother), athletic(coordination), susceptibilism to alcoholism or skitzophrenia, eating disorders DNA-- blueprint 2. Environment: includes prenatal (PHD—time in womb before get out and environment effect) Our behaviour is influenced by our world key force: Culture Shaped, reinforced by surroundings Lecture 3: January 17 th (C)Cognitive Perspective: Behaviours is a function of mental processes -perception -thinking -memory -problem solving Works at information processing We come to know how to behave eg. What thought trigger aggression? -seen as a key explanation of depression An individual’s perception of a situationbehaviour self-concept: “I’m a tough guy” Airline Passenger Model  Passenger 1 (retired pilot)- doesn’t notice air pocket st Same stimulus  Passenger 2 (nervous, 1 flight)- “We’re gonna die!!” Childhood cognition: work of Jean Piaget Our stage: formalized thoughtthink on many dimensions (D)Psychodynamic perspective: Sigmund Freud (1856-1939) [medical doctor at mining company in Czech (patient with paralyzed arm but not physicalcaused by fear] Focus: The unconscious Mind [introspective]- understand ourselves Iceberg Model of personality: Id: want, drive for pleasure, comfort- do it! Ego: wait a minute!, this is wrong! Eg. Attractive but taken, $ car Superego: I wouldn’t do it because I’m like this Conflict: eg. Should you buy this?; guilt Freud’s Psychosexual stages of Development: Biological urges within the id: each of the following stages has a need- can “graduate” without it, but c
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