Hormones

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Overview of hormones and their effect on behavior. Part of the Biology and Behavior unit. High school introduction to psychology.

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  • Various roles: Antioxident Interaction with immune system Dreaming (high levels increase REM sleep) Autism (may have lower levels) Most important function is regulating the sleep-wake cycle
  • Various roles: Antioxident Interaction with immune system Dreaming (high levels increase REM sleep) Autism (may have lower levels) Most important function is regulating the sleep-wake cycle
  • circadian rhythm Production of melatonin is inhibited by light and permitted by darkness Serotonin is converted to melatonin People in high latitudes where daylight is minimal need artificial lighting OR
  • seasonal affective disorder A form of depression (winter depression) Lack of energy & concentration Withdrawal from family & friends
  • alteration to circadian rhythm Body clock out of sync not linked to length of flight but east-west distance travelled Fatigue, irritability, mild depression
  • produced by the adrenal glands during high stress or exciting situations. This powerful hormone is part of the human body's acute stress response system, also called the "fight or flight" response.
  • It works by stimulating the heart rate, contracting blood vessels, and dilating air passages, all of which work to increase blood flow to the muscles and oxygen to the lungs.
  • Hormones

    1. 1. Hormones
    2. 2. Melatonin
    3. 3. Melatonin The hormone of darkness
    4. 4. Circadian Rhythm
    5. 5. Seasonal Affective Disorder
    6. 6. Any situation where the circadian rhythm is disturbed due to biological or environmental factors, it can affect levels of melatonin, thus having affects on human behavior.
    7. 7. Adrenaline
    8. 8. 1. In general, what is the role of the hormone in the body? 2. How does the hormone influence human behavior? Testosterone & Estrogen Task 1

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