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Psychology
the brain
nervous system
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juelcia
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Cards (15)
What are the two main components of the central nervous system?
The
brain
and
spinal cord
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What is the role of the central nervous system?
It connects the
brain
to the body and instructs it
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What does the peripheral nervous system connect?
The
central nervous system
to various body organs
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What are neurotransmitters?
Chemicals released from
neurons
that help pass messages between cells
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Name a neurotransmitter associated with attention and learning.
Dopamine
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What neurotransmitter is linked to mood and depression?
Serotonin
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Which neurotransmitter is associated with relaxation?
GABA
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What is synaptic functioning?
It involves the way messages are passed throughout the
nervous system
through
synapses
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What are synapses?
Small gaps between
neurons
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How is an electrical impulse triggered in a neuron?
It is triggered inside the
neuron's cell body
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What happens to the electrical impulse after it is triggered in the neuron's cell body?
It is passed along the
axon
towards the end of the nerve fiber
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What is contained in the terminal button of a neuron?
Vesicles filled with
neurotransmitters
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What triggers the release of neurotransmitters into the synapse?
The
terminal button
is triggered
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What happens to neurotransmitters after they are released into the synapse?
They are picked up by
receptors
on the next neuron
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What is the purpose of neurotransmitters in the nervous system?
To pass the impulse from one
neuron
to another
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