Motivation and Regulation of Internal States - Psych 250 Study Guide Exam #2

Flashcards covering key vocabulary terms related to motivations, homeostasis, hormonal control, aggression, and aspects of language processing as discussed in Psych 250.

Motivation

To set in motion; a set of factors that initiate, sustain, and direct behaviors.

Homeostasis

A state of balance among all the body systems needed for the body to survive and function correctly.

Motivation

To set in motion; a set of factors that initiate, sustain, and direct behaviors.

Homeostasis

A state of balance among all the body systems needed for the body to survive and function correctly.

Set Point

Point of homeostasis (or equilibrium) to which the systems return.

Hedonic

Food ingestion that is driven by palatability rather than bodily need (Pleasure and Reward).

Hypovolemic Thirst

Occurs when the blood volume drops due to a loss of extracellular water.

Osmotic Thirst

Occurs when the fluid content decreases inside the body's cells.

Ghrelin

Orexigenic peptide hormone synthesized in the stomach and released into the bloodstream during fasting.

Cholecystokinin (CCK)

Peptide hormone released by the stomach and small intestine as food passes into the duodenum.

Androgens

Class of hormones responsible for a number of male characteristics and functions.

Testosterone

Major sex hormone in males.

Estrus

Period when females are ovulating (mostly in mammals).

Cortisol

Most abundant glucocorticoid in humans, producing additional physiological stress responses.

Aggression

Forceful or assertive behavior intended to harm or control another.

Pheromones

Airborne chemicals released by an animal that have physiological or behavioral effects on another animal of the same species.

James-Lange Theory

Emotional experience results from the physiological arousal that precedes it.

Broca's Aphasia

Language impairment caused by damage to Broca's area, resulting in difficulty producing spoken language.

Wernicke's Aphasia

Language impairment that results in difficulty understanding and producing spoken and written language.