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DRIVE REDUCTION THEORY

DRIVE REDUCTION THEORY. A “Need” is a biological or psychological requirement. A “Drive” is an internal condition that orients an individual toward a specific goal. 1. Physiological Need (Hunger, Thirst, Sex). 2. Drive (Organism engages in random activity to satisfy its needs). 4.

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DRIVE REDUCTION THEORY

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  1. DRIVE REDUCTION THEORY

  2. A “Need” is a biological or psychological requirement A “Drive” is an internal condition that orients an individual toward a specific goal 1 Physiological Need (Hunger, Thirst, Sex) 2 Drive (Organism engages in random activity to satisfy its needs) 4 Satisfaction (Organism’s needs have been satisfied) A drive encourages a person to act in goal-directed behaviors to achieve “Homeostasis” – a state of physical or psychological balance. Homeostasis is a temporary condition. A need will develop over time. 3 Goal-directed behavior (Organism adopts a behavior that reduces the drive)

  3. The Hypothalamus helps direct behavior With the Lateral Hypothalamus removed a rat will not eat, even when surrounded by food With the Ventromedial Hypothalamus removed a rat will continue to eat, even when it is not hungry

  4. Drive Reduction Theory Tested • Have you ever eaten when you weren’t hungry? • What about a person that excessively works out? • How do we account for other motivating factors like: achievement, power, and curiosity? Too much eating? Too much working out? Too much tanning?

  5. Environmental Factors that Affect our Hunger • 1. Availability of food • 2. Learned preferences and habits • 3. Stress • Weight gain • Weight loss

  6. Set Point • The “Set Point” is the weight at which an adult is supposedly set • When the body falls below this weight, an increase in hunger and a lowered metabolic rate, may act to restore the lost weight • Eating disorders can cause a person to deviate wildly from their set point. • Anorexia Nervosa • Bulimia Nervosa

  7. MASLOW’S HIERARCHY OF NEEDS SELF-ACTUALIZATION NEEDS TRANSCENDENCE (The need to fulfill one’s unique potential) SELF-ACTUALIZATION AESTHETIC PSYCHOLOGICAL NEEDS COGNITIVE ESTEEM (To feel a sense of achievement, competence, and belonging) ATTACHMENT FUNDAMENTAL NEEDS SAFETY (To feel secure, safe, and out of danger) BIOLOGICAL

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