biopsychology 0.0 / 5 ? PsychologybiopsychologyASAQA Created by: khawladierieCreated on: 01-11-17 18:28 Central Nervous System Made up of the Brain and the Spinal Cord. This is where all complex processing of information is done and descions are made. 1 of 19 Peripheral Nervous System Made up of the Autonomic System and Somatic Nervous System. Brings information from the senses to the CNS and from the CNS to the musle glands. 2 of 19 Brain Coordinates response. Recieves information from the neurones. 3 of 19 Spinal Cord Helps with the coordination of behaviour. Recieves and passes messages to and from the brain. And connects to nerves in the PNS. 4 of 19 Somatic Nervous System Ressponsible for Voluntary Response. And carrying motor and sensory information to and from the CNS. 5 of 19 Autonomic System Responsible for carrying out Involuntary Responses. Divides into Sympathetic and Parasympathetic Nervous system 6 of 19 Sympathetic Nervous System For Fight or Flight action 7 of 19 Parasympathetic Nervous System Calms your body 8 of 19 Neurones There are three types of neurones. Sensory, Motor and relay. 9 of 19 Sensory Neurons carry signals from the receptors to the spinal cord and the brain. 10 of 19 Relay Neurons Carry messages from one part of the CNS to another. 11 of 19 Motor Neurons Carry signals from the CNS to effectors (muscles or glands) 12 of 19 Synapse The small gap between neurons. 13 of 19 Chemical Transmissions in the Synapse PART 1 : An electrical impulse travels along the axon of the transmitting neuron. 14 of 19 Chemical Transmissions in the Synapse PART 2; The vesicles in the axon terminal release chemical messengers (Neurotransmitters) 15 of 19 Chemical Transmissions in the Synapse PART 3; The chemicals diffuse across the synapse and locks into special receptor sites on the dendrite of the adjacent neuron. 16 of 19 Chemical Transmissions in the Synapse PART 4; From there the electrical nerve impulses is transmitted in the same way through the next neurone. 17 of 19 Excitatory Effect The neurotransmiters increase the positive charge so it makes the past synaptic neuron more likely to fire. 18 of 19 Inhibitory Effect The neurotransmitters act by making the neuron negatively charged so the past synaptic neuron is less likely to fire. 19 of 19
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