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Psych Mod-3
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Reuptake
sending neuron reabsorbs excess neurotransmitters from synapse
Dendrites
neurons bushy branching extensions
receive messages
conduct impulses toward cell body
Terminal Branches of Axon
forms junctions with other cells
Axon
neuron extension that passes messages through branches to other neurons or to muscles or glands
Neuron
a nerve cell
basic building block of nervous system
Neural Impulses (
action potential
)
electrical signal traveling down axon
Pituitary Gland (
MASTER GLAND
)
regulates growth
controls other endocrine glands
Endocrine System
set of glands that secrete hormones in blood stream
Parasympathetic Nervous System
Calms the Body
conserves the body energy
opposite of sympathetic
decrease heart rate
lowers blood pressure
Sympathetic Nervous System
Arouses and expands memory
accelerate heart rate
raise blood pressure
slow digestion
raise blood sugar
(ANS) Autonomic Nervous System (
Self Regulating
)
contros glands
controls muscles of internal organs
One of two components of the Peripheral Nervous System
(SNS) Somatic Nervous System (
Skeletal Nervous System
)
Controls the body skeletal muscles
One of two components of the Peripheral Nervous System...
(PNS) Peripheral Nervous System
sensory and motor neurons
connects central nervous system (CNS) to rest of body
(CNS) Central Nervous System
brain and spinal cord
Nervous System
bodys speedy electrochemical communication network
consists of all nerve cells of peripheral and central nervous system
Neurotransmitters
chemical messengers
cross synaptic gaps between neurons
Interneurons
neurons within the brain and spinal cord
communicates internally
intervene between sensory inputs and motor outputs
Sensory Neurons
carry incoming information
from sensory receptors of brain and spinal cord
Motor Neurons
carry outgoing information
from brain and spinal cord to muscles and glands
Dopamine/Influences
movement
learning
attention
emotion
Oversupply Schizophrenia
Undersupply tremors
decreased mobility
parkinsons disease
Serotonin/Influences
affects mood
hunger
sleep
arousal
antidepressant drugs raise levels
Acetylcholine (ACH)
enables muscle action
learning
memory
ACH-producing neurons deteriorate
Author
CCDoc
ID
315243
Card Set
Psych Mod-3
Description
Neural and harmone systems
Updated
2016-02-03T19:22:31Z
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