The central nervous system + human behaviour

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  • The central nervous system + human behaviour
    • 1.Brain contains billions of nerve cells called neurons which pass information around inside the brain. It then communicates with the rest of the body through the nerve cells in the nervous system, telling different parts of the body what to do.
    • 2. Neurons communicate through synapse (small junctions between neuron where neurotransmitters released)
    • 3. Some neurons are excitatory and encourage the neuron to "fire" whilst others don't
    • 4. The decision to fire depends on the excitatory and how many inhibitory messages the neuron receives from its thousands of synapses
    • 5. If the number of excitatory messages for outweigh the number of inhibitory messages, it is likely to fire, and visa versa


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