The Central Nervous System (Edexcel A-Level Psychology): Flashcards
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10 cards from this deck
Components of CNS
Components of CNS
Brain and spinal cord
Dendrite function
Dendrite function
Receive incoming messages from other neurons
Axon function
Axon function
Carries electrical impulses away from cell body
Resting membrane potential value
Resting membrane potential value
Approximately -70mV
Action potential threshold
Action potential threshold
Approximately -55mV
Reuptake definition
Reuptake definition
Neurotransmitter reabsorbed by presynaptic neuron
Dopamine & learning
Dopamine & learning
Associated with reinforcement in learning
Serotonin's primary role
Serotonin's primary role
Mood control, particularly in limbic system
Down-regulation in drug use
Down-regulation in drug use
Brain reduces its natural dopamine production
Cocaine's effect on dopamine
Cocaine's effect on dopamine
Blocks the reuptake of dopamine