Biological Psychology

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  • Created by: kashish21
  • Created on: 13-04-20 07:58

1. Explain stage one of sleep.

  • Stage one of sleep is light sleep which can be easily woken, there is slow eye movements and twitching.
  • the brainwaves are slower and there is mainly delta waves, the eye movements stop, there is a burst of brain activity.
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2. Explain what is the function of the Peripheral Nervous System.

  • The primary function of the PNS is to connect the brain and spinal cord to the rest of the body and external environment. cord
  • Connects the CNS with the senses composed of sensory pathways and motor nerve pathways.

3. Explain what is meant by the word Positive Correlation.

  • A relationship between two variables in which an variable either increases or decreases at the same time.
  • A relationship between two variables in which an increase in one variable is associated with a decrease in the other

4. What is the Central Nervous System made up of?

  • It is the central processing and control point for all human behaviour.
  • The brain and spinal cord.
  • The brain processes all incoming information from the senses.

5. Explain the term Seasonal Affective Disorder (SAD).

  • It is a mood disorder where people become depressed in winter. SAD is an infradian rhythm that is governed by a yearly cyle, psychologists claim that melatonin which is secreted by the pineal gland during the night.
  • It is regulated by hormones that either promote ovulation or stimulate the uterus for fertlisation
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