Psychology Nervous System Mind Map

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  • The Nervous System & Neurons
    • Neurons
      • Motor Neurons
        • Carry messages away from the brain and spinal cord to the organs and muscles in the body
        • Short dendrites and long axons
      • Sensory Neurons
        • Carry messages from the receptors in the body to the brain and spinal cord.
        • Long dendrites and short axons
      • Interconnecting Neurons
        • Only found in our visual system, brain and spinal cord.
        • Recieve messages from the sensory neurons and pass them to either to interconnecting neurons or motor neurons
        • Short dendrites and short or long axons
      • Synaptic Transmission
        • A synapse is a specialised gap that allows electrical messages from one neuron to transfer to an adjacent neuron. known as synaptic transmission
        • Dopamine, Acetylcholine, Serotonin are Neurotransmitters
    • The Nervous System
      • Peripheral Nervous System
        • Autonomic Nervous System
          • Sympathetic Nervous System
            • Fight or Flight Response
            • Dilates pupils, inhibits saliva production, Dilates Bronchi, Speeds up heart rate etc..
          • Parasympathetic Nervous System
            • Rest & Digest
            • Constricts Pupils, Stimulates saliva production, Constricts Bronchi, slows heart rate etc...
          • Maintains homeostasis by controlling glands and vital muscles.
        • Somatic Nervous System
          • Controls skeletal muscles and receives information to a from sensory receptors
      • Central Nervous System
        • Brain
        • Spinal Cord
    • The Endocrine System
      • Composed of a number of glands that release hormones directly into the bloodstream.
      • One of the main glands is the pituitary gland, which releases ACTH which is carried around the body to stimulate the adrenal glands to release adrenaline


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