Day 18 - Hunger Drive

Learning Targets - Students will be able to 

• Describe the theories of motivation
• Identify biological and environmental cues instigating basic drives and motives
• Describe the physiological and psychological influences on motivation

Opener - Quickwrite 

Why do people keep eating junk food despite the known negative health effects?

Activity #1 - Mini-Lecture - Hunger Games

• Hunger has both biological and psychological drives
• Just the act of chewing and swallowing can help satisfy hunger
• Gum anyone?

• Hypothalamus and blood sugar (Glucose)
• Glucose is the main sugar that the body uses for energy, and the brain monitors blood glucose levels to determine hunger
• Basal metabolic rate, the amount of energy expended while at rest.

• How we eat is also influenced by our environment. 
• When researchers rigged clocks to move faster, people got hungrier and ate more, as if they thought they must be hungry again because so much time had passed since they last ate (Schachter, 1968). 
• And if we forget that we have already eaten, we are likely to eat again even if we are not actually hungry (Rozin, Dow, Moscovitch, & Rajaram, 1998).

• Disorders
• Eating disorders, including anorexia nervosa and bulimia nervosa, affect about 1% of people (90% women).
• Anorexia nervosa is an eating disorder characterized by extremely low body weight, distorted body image, and an obsessive fear of gaining weight.
• Bulimia nervosa is an eating disorder characterized by binge eating followed by purging.
• Obesity is a medical condition in which so much excess body fat has accumulated in the body that it begins to have an adverse impact on health.

Activity #2 - How can we explain this?

With a partner, identify and describe 3 possible causes for the differences in the graphic below.  

Close - Post at least 2 questions here:
https://docs.google.com/spreadsheets/d/1iKDtCmP_Q4AHlAjd2APb2qjx2U2xTSgqM71Hmvl9KK4/edit?usp=sharing

MAKE SURE THAT YOU CLICK THE APPROPRIATE TAB AT THE BOTTOM OF THE PAGE