biopsychology

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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.
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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.
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Brain
Coordinates response. Recieves information from the neurones.
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Spinal Cord
Helps with the coordination of behaviour. Recieves and passes messages to and from the brain. And connects to nerves in the PNS.
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Somatic Nervous System
Ressponsible for Voluntary Response. And carrying motor and sensory information to and from the CNS.
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Autonomic System
Responsible for carrying out Involuntary Responses. Divides into Sympathetic and Parasympathetic Nervous system
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Sympathetic Nervous System
For Fight or Flight action
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Parasympathetic Nervous System
Calms your body
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Neurones
There are three types of neurones. Sensory, Motor and relay.
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Sensory Neurons
carry signals from the receptors to the spinal cord and the brain.
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Relay Neurons
Carry messages from one part of the CNS to another.
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Motor Neurons
Carry signals from the CNS to effectors (muscles or glands)
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Synapse
The small gap between neurons.
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Chemical Transmissions in the Synapse
PART 1 : An electrical impulse travels along the axon of the transmitting neuron.
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Chemical Transmissions in the Synapse
PART 2; The vesicles in the axon terminal release chemical messengers (Neurotransmitters)
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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.
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Chemical Transmissions in the Synapse
PART 4; From there the electrical nerve impulses is transmitted in the same way through the next neurone.
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Excitatory Effect
The neurotransmiters increase the positive charge so it makes the past synaptic neuron more likely to fire.
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Inhibitory Effect
The neurotransmitters act by making the neuron negatively charged so the past synaptic neuron is less likely to fire.
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Other cards in this set

Card 2

Front

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.

Back

Peripheral Nervous System

Card 3

Front

Coordinates response. Recieves information from the neurones.

Back

Preview of the back of card 3

Card 4

Front

Helps with the coordination of behaviour. Recieves and passes messages to and from the brain. And connects to nerves in the PNS.

Back

Preview of the back of card 4

Card 5

Front

Ressponsible for Voluntary Response. And carrying motor and sensory information to and from the CNS.

Back

Preview of the back of card 5
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