20 terms

Neurotransmission and Brain Anatomy

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Too much of this neurotransmitter can cause severe muscle spasms
acetylcholine
Axon
Long single fiber that transmits messages from cell body to dendrite
dendrites
receive messages from other neurons
synaptic space
space between axon and dendrite
receptor sites
part of dendrite that receives neurotransmitters
vesicles
small membrane sacs that specialize in moving neurotransmitters in and out a neuron
pre-synaptic neuron
Neuron that sends neurotransmitters
neurotransmission
process by signalling molecules called neurotransmitters are are released by neuron
cerebral cortex
outer covering of brain, devoted to senses, thinking, perceiving, producing/understanding language. Most developed part of brain. Split into right and left hemisphere.
Hypothalamus
portion of brain that contains a number of small nuclei with a variety of functions
Brain stem
Controls and maintains basic functions such as heart rate, breathing, digesting, and sleeping.
Amygdala
Primary role in the processing of memory, decision-making, and emotional reactions
Hippocampus
center of emotion, memory, and the autonomic nervous system.
What does dopamine control?
Mood, emotions, and arousal
Endorphin is a neurotransmitter that helps regulate:
Pain control and pleasure
Which neurotransmitter is involved in muscle movements?
Acetylcholine
Which neurotransmitter is involved in the "Fight of Flight" response?
Noradrenaline
Neurotransmitters
Chemicals that transmit information from one neuron to another
Norepinephrine
A neurotransmitter involved in arousal, as well as in learning and mood regulation
Inhibitory neurotransmitters
reduce the neuron stimulus to send messages across the brain
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