PSYCO241 Lecture Notes - Lecture 6: Adrenal Gland, Adrenal Medulla, Sympathetic Nervous System
13 Mar 2018
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Document Summary
A perceived discrepancy between external demands and an individual"s resources. The state of stress has two components. A stressor - the event that creates the demands. Stress response - the person"s reactions to the demands. Ans - the network of nerve fibers that connect the cns to all other organs of the body. Endocrine - the system of glands located throughout the body that help control important activities such as growth and sexual activity. Sympathetic nervous system - the nerve fibers of the autonomic nervous system that quicken the heartbeat and produce other changes experienced as arousal and fear. Adrenal glands (adrenal medulla) - adrenaline and noradrenaline. Hypothalamic-pituitary-adrenal pathway - one route by which the brain an the body produce arousal and fear. Pituitary gland - secrete acth (major stress hormone) Signals adrenal cortex - release corticosteroids (cortisol) - a group of hormones, including cortisol, released by adrenal glands at times of stress.
