Psychology Unit 2

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The body's response to stress

Key Terms:

  • Fight or flight: a term which means that an animal is energised to either fight or run away, but has come to mean a general state of energised readiness
  • Hormones: any substance produced by a gland or organ of the body and circulatd in the bloo, only affecting specific target cells in the body
  • Neurotransmitter: a substance released from the end of a neuron into the synapse (gap between neurons), causing the adjacent neuron to be excited or inhibited
  • Pituitary-adrenal system: a stress response system involving the hypothalamus, pituitary gland and adrenal cortex, which helps the body deal with chronic stressors
  • Stress: the subjective experienced of a lack of fit between a person and their environment (i.e. where the perceived demands of a situation are greater than a person's perceived ability to cope)
  • Sympathomedullary pathway: the influence of the SNS and adrenal medulla prepares the body for fight or flight when faced with an acute stressor
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Hannah B

thank you!

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