The Central Nervous System (Edexcel A-Level Psychology): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is the primary function of dendrites in a neuron?
What is the primary function of dendrites in a neuron?
Receive incoming messages from other neurons
What is the resting membrane potential of a neuron?
What is the resting membrane potential of a neuron?
Approximately -70mV
At what voltage is the action potential triggered?
At what voltage is the action potential triggered?
Approximately -55mV
What role does the myelin sheath serve?
What role does the myelin sheath serve?
Insulation & speeds up nerve impulses
What process releases neurotransmitters into the synaptic gap?
What process releases neurotransmitters into the synaptic gap?
Exocytosis
Which neurotransmitter is most associated with mood control in the limbic system?
Which neurotransmitter is most associated with mood control in the limbic system?
Serotonin
How does cocaine affect the dopamine system?
How does cocaine affect the dopamine system?
Blocks the reuptake of dopamine
What happens during reuptake?
What happens during reuptake?
Neurotransmitters reabsorbed & destroyed
Which brain areas are primarily involved in the dopamine reward pathway?
Which brain areas are primarily involved in the dopamine reward pathway?
Nucleus accumbens & ventral tegmental
How does nicotine increase dopamine transmission?
How does nicotine increase dopamine transmission?
Blocks enzyme that breaks down dopamine