PS101 Lecture Notes - Lecture 11: Seasonal Affective Disorder, Pineal Gland, Alpha Wave
Document Summary
The ability of the brain that reorganizes and compensates for brin damage. A change in function and structure: reorganize, repair. Glands that secrete hormones into the bloodstream. Hormones: molecules that influence particular organs; blood stream. Pituitary glands: major gland, impacts other glands, signals other glands, works with the hypothalamus (flight, fight, feed & mate) Adrenal glands: emergency centre in the body, activated by the sympathetic nervous system to release hormones (adrenalin & cortisol. Epinephrine (anger: norepinephrine (fear, also control salt balance. Moment to moment awareness of ourselves and our environment. Ideally related to psychology because it is the science of the mind. Perform many mental functions without being aware of it. Behavioural: performance on tasks (rouge test, need to infer state of mind. Circadian rhythms regulated by suprachiasmatic nuclei (scn: brains biological clock. Scn neurons are linked to the pineal gland, which secretes melatonin. Neurons in the scn are active during daytime: inhibits melatonin secretion, raises body temperature and alertness.
