Textbook Notes (280,000)
CA (160,000)
SFU (6,000)
PSYC (1,000)
PSYC 100 (100)
Chapter 10

PSYC 100 Chapter Notes - Chapter 10: Neuropeptide Y, Sexual Dysfunction, Orgasm


Department
Psychology
Course Code
PSYC 100
Professor
Russell Day
Chapter
10

This preview shows pages 1-2. to view the full 6 pages of the document.
PSYC 100 – MOTIVATION AND EMOTION
10
PERSPECTIVES ON MOTIVATION
Motivation: Processes that influences the direction, persistence and vigor of goal-
directed behavior
Instinct: An inherited characteristic that automatically produces a particular
response when the organism is exposed to a particular stimulus
HOMEOSTASIS AND DRIVES
Homeostasis: State of internal physiological equilibrium for the body
Drives: States of internal tension that motivate an organism to behave in ways that
reduce this tension
APPROACH AND AVOIDANCE MOTIVATION: BAS AND BIS
Behavioral Activation System (BAS): Theory where a person takes action through
signals of potential reward and positive need gratification
Located in prefrontal left hemisphere
Behavioral Inhibition System (BIS): Avoidance motivation, you try to avoid stimuli
that signals potential pain, non-reinforcement and punishment
Located in right frontal lobe
INCENTIVES AND EXPECTANCIES
Incentives: Environmental stimuli that pull an organism toward a goal
Expectancies x Value Theory: Goal-directed behavior is determined by the strength
of the persons expectation that particular behaviors will lead to a goal and by the
incentive value the individual places on that goal
Motivation = Expectancy x Incentive Value
Extrinsic Motivation: Performing an activity to obtain an external reward or avoid
punishment
Intrinsic Motivation: Performing an activity for its own sake because you find it
enjoyable or challenging
PSYCHODYNAMIC AND HUMANISTIC VIEWS
Maslows Hierarchy of Needs
www.notesolution.com

Only pages 1-2 are available for preview. Some parts have been intentionally blurred.

Psyc 100 Chapter 1
Self-Actualization represents the need to fulfill our potential, is the
ultimate human motive
Self-Determination Theory: Based on 3 fundamental needs: Competence, autonomy
(independence) and relatedness
HUNGER AND WEIGHT REGULATION
Metabolism: Bodys rate of energy utilization
Set Point: A biologically determined standard around which body weight is regulated
Glucose: Sugar fuel for the brain
Cholecystokinin (CCK): Hormone which helps produce satiety
Leptin: Hormone secreted by fat, decreases appetite and increases energy
expenditure
Neuropeptide Y: Stimulates appetite
Lateral Hypothalamus
Hunger on
Ventromedial Hypothalamus
Hunger off
Paraventricular Nucleus: Cluster of neurons with receptor sites that stimulate or
reduce appetite
Anorexia Nervosa: Intense fear of being fat and severely restrict their food intake to
the point of self-starvation
Bilimia Nervosa: Fear of becoming fat, they eat then vomit the food
SEXUAL MOTIVATION
Sexual Response Cycle: A 4 stage cycle of excitement, plateau, orgasm and
resolution
Excitement: Blood flows to certain body parts
Plateau: Arousal builds until enough muscle tension for orgasm
Resolution: The return to normal state after an orgasm
www.notesolution.com
You're Reading a Preview

Unlock to view full version