NEUROTRANSMITTERS Flashcards
are chemical substances manufactured in the neuron that aid in the transmission of information throughout the body
Neurotransmitter
stimulates an action in the cell
excitatory
stops the action
inhibitory
Synaptic neurotransmitters are transported back into the axon for storage
Relapse
An enzyme metabolizes and inactivates neurotransmitters
Degradation
an enzyme that inactivates monoamine neurotransmitters
monoamine oxidase
an enzyme that inactivates acetylcholine
Acetylcholinesterase
What are the monoamine neurotransmitters?
Serotonin
Epinephrine
Norepinephrine
Dopamine
-Inhibitory
-Mood neurotransmitter
-Affects level of happiness
Serotonin
-Excitatory (Peripheral)
-Produced in times of stress to activate “fight or flight” response (Inc. HR and blood flow)
Epinephrine
-Excitatory (CNS)
-Facilitates concentration – attention, learning and memory, sleep and wakefulness
Norepinephrine
-Excitatory (CNS)
-Pleasure neurotransmitter – control of complex movements, motivation and reward, cognition, and regulation of emotional response
Dopamine
-Movement
-Sensory stimuli
Nigrostriatal Pathway
-Pleasure and reward seeking behavior
-Emotion
-Perception
-Addiction
Mesolimbic Pathway
-Cognition
-Attention
-Memory
-Emotion
-Learning
Mesocortical Pathway