motivation - Motivation: vigor and persistence of goal...

Info iconThis preview shows pages 1–12. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Motivation: vigor and persistence of goal directed behavior, helps move us towards our goals Evolutionary Theory: motivation plays a significant role in adaptation; social need to affiliate, share resources, provide protection, procreation Biological Needs/Motivations Homeostasis: tendency for the body (person) to want to maintain a state of constancy Hunger/Food: energy is necessary for maintenance and growth. Search for a balanced diet Hypothalamus: Lateral (near side): turns hunger “on.” stimulation yields increased eating. A lesion or damage cause starvation Ventromedial (lower, middle) : is the hunger “off.” stimulation stops eating. Lesion or damage can cause voracious eating Won’t need to identify them Various Factors which Impact Eating Behaviors Biological Factors Genetics influence metabolism Bodily sensations: growl, distension Chemical signals to the body Genetic mapping of “obesity genes” Social Factors Environmental influences on eating behaviors Complex and multiply determined Eat more in groups Expectation and memory of meals Palatability Social interactions Psychological Factors Thinking about food and what it “means” Learned food habits/preferences Memories associated with food Belief and feelings regarding body image Cultural variations: robust=higher class Food as a “substitute” for love, sex Obesity rates currently based on body mass index or BMI. An adult who has a BMI between 25 and 29.9 is considered overweight An adult who has a BMI of 30 or higher is considered obese CDC 2005-2006 data 33.3% of men and 35.6% of women were obese The CDC* reports that : Childhood obesity has more than tripled in the past 30 years. The percentage of children aged 6–11 years in the United States who were obese increased from 7% in 1980 to nearly 20% in 2008. Similarly, the percentage of adolescents aged 12–19 years who were obese increased from 5% to 18% over the same period. In 2008, more than one third of children and adolescents were overweight or obese....
View Full Document

This note was uploaded on 01/19/2012 for the course PSYCH 111 taught by Professor Schreier during the Fall '08 term at University of Michigan.

Page1 / 39

motivation - Motivation: vigor and persistence of goal...

This preview shows document pages 1 - 12. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online