PSYA02H3 Lecture Notes - Stress (Biology), Adrenal Gland, Sympathetic Nervous System
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PSYA02H3 Full Course Notes
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Document Summary
Peripheral nervous system under relaxation = maintenance. Sympathetic nervous system the emergency mode. Heart rate increases, blood pressure rises, blood sugar rises, blood flow directed to internal organs. Cortex amygdala hypothalamus activation spinal cord adrenal gland (ancestral response) Hypothalamus pituitary gland cortisol (important under stress situations) Our body was meant to deal with short term stresses. Most stresses are long term stress responses. There are three phases based on this (alarm, resistance and exhaustion) There is a direct relation between the stress a person is under and physical conditions. The concept of lying is a non-physical thing. Stress is a non-physical thing how do humans interact (threat of what happens in the future) Has very physical effects on the body. Weight gain, migraines, flares based on skin issues, hair loss, depression (correlational than causational) Whether something is a stressor or not is psychological how you view it or think about it.
