Neurochemistry

• Neurotransmitters are chemicals found within the brain.

  Each has a different effect on the brain e.g. learning and memory and noradrenaline effects attention.
• Some neurotransmitters are excitatory. (make the brain more active)

  Histamines cause inflammation for hay fever
• Some neurotransmitters are inhibitory (they make the brain more calm)

  e.g. serotonin causes sleep which can be found in meals
• dopamine and serotonin must know
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  dopamine

  pleasure neurotransmitter also addiction. People repeat measures for dopamine release.
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  Serotonin

  Mood transmitter. Contributes too well-being happiness helps sleep and digestive system regulation. Affected by exercise and light exposure