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Tre Kingsberry. The Psychology of Hunger. Hunger motivation. Hunger is now known to be regulated on a short-term basis by two clusters of cells called nuclei. Body Chemistry and the Brain . Hunger is controlled by the 2 parts of the hypothalamus.
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Tre Kingsberry The Psychology of Hunger
Hunger motivation • Hunger is now known to be regulated on a short-term basis by two clusters of cells called nuclei
Body Chemistry and the Brain • Hunger is controlled by the 2 parts of the hypothalamus. • The Lateral Hypothalamus brings in the hunger. • The Lower-Mid Hypothalamus depresses hunger ( feeling full)
Taste Preference • Body chemistry and environmental factors influence when your hungry and what your hungry for. • Some taste preferences are culturally conditioned
The Set Point • The body has a weight regulatory system, which establishes a “set-point” that regulates body weight on a long-term basis.
Hunger Theories • Developed by Clark Hull in 1943 • Drive theory is based on the principle that organisms are born with certain psychological needs and that a negative state of tension is created when these needs are not satisfied • Drive Reduction- When the need is met the organism returns to a state of homeostasis and relaxation.
Eating disorders • The majority of individuals with eating disorders are women this is because society's expectations that the ideal female must be very thin. • Anorexia • Bulimia • Obesity
Anorexia • individual suffers starvation caused by repeated calorie restriction. • Negative self image of ones self • Most commonly seen n young adult females
Bulimia • Going on eating binges and then purges, then using vomiting or laxatives, to get rid of the ingested food. • Often stems from low self esteem and negative self image • Most commonly found in young adult females • Bulimia-http://www.youtube.com/watch?v=-qYJ3wxKdFs
Obesity • A failure of hunger regulation. • Obesity-related conditions include heart disease, stroke, type 2 diabetes and certain types of cancer. • More than one-third of U.S. adults 35.7% are obese. (2012 • BMI of 30 kg/m squared
Cited Sources • http://www.cliffsnotes.comavid • Psychology David G. Myers 8th edition • www.cdc.gov
Quiz • What are some of the main health issues associated with eating disorders and how do they affect the body. • What determines our taste preference, give example. • What is happening when drive reduction occurs. • What psychological and cultural factors influence hunger?
More Questions • What is a main cause of anorexia • What are some of the health risk with bulimia • When is someone considered obese?