Neurons 1
Neurons 2
Neuron Communication
Neurotransmitters Influence On Us
Neurotransmitters and Their Functions
100
nerve cells
What is a neuron?
100

neurons within the brain and spinal cord that communicate internally and intervene between the sensory inputs and motor outputs

What is an interneuron?

100
the gap that the synapse forms
What is a synaptic gap?
100
neurotransmitters influence these
What are motions and emotions?
100
Affects mood, hunger, sleep, and arousal
What are Serotonin?
200
they carry messages from the body's tissue and sensory organs
What are sensory neurons?
200

fatty tissue layer that insulates the axons and helps speed their impulses

What is myelin sheath?

200

Which neurotransmitter's primary role is "Muscle movement and memory"

Acetylcholine 

200
natural neurotransmitters linked to pain control and to pleasure
What are endorphins?
200
enables muscle action, learning and memory
What is an Acetylcholine?
300
neurons carrying info from brain and spinal cord
What are motor neurons?
300

the biggest question in Psychology

What is Nature vs. Nurture?

300
neurotransmitters reabsorption by the sending neuron
What are reuptake?
300

What disorder is related to a deficiency in dopamine?

Parkinson's disease

300
Influences movement, learning, attention, and emotion
What are Dopamine?
400
extensions of a neuron that receive messages and conduct impulses toward the cell body
What is a dendrite?
400
the level of stimulation required to trigger a neural impulse
What is threshold?
400
the meeting between the axon tip and the dendrite or the cell body of the receiving neurons
what is a synapse?
400

Too little is linked to anxiety disorders"

GABA

400

"Runner's high involves which neurotransmitter?"

endorphins

500
the extension of a neuron, ending in branching terminal fibers through which messages pass to other neurons or to muscles or to glands.
What is an axon?
500
signals that quickly move
What is an excitatory signal?
500
chemical messengers that cross the synaptic gaps between neurons
What are neurotransmitters?
500
neural impulse; a brief electrical charge that travels down an axon
What is action potential?
500

Affect brain chemistry at synapses by amplifying or blocking a neurotransmitters activity

What are drugs and other chemicals?

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