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28 Cards in this Set

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Studies the links among the brain, nervous system, and behavior
Behavioral Neuroscience
The role of biology in a person's development
Nature
The role of the environment in a person's development
Nurture
Specialized cells that receive information from the environment
Receptor Transducer cells
Translate the nerve signals into something that has an outward effect
Effector Transducer cells
There are about 100 billion in a human
Neuron
A bundle of neurons axons running together
Nerve
Make up 90% of the brain
Glial cells
Carry information from the senses to the brain
Sensory nerves
Today, most pychologists believe what about the nature/nurture controversy?
It is a combonation of the 2 that shapes a person.
How have the roles of nature and nurture been studied?
Studies of identical twins compared to fraternal twins
What studies have been compared?
What are the receptors for vision?
Rods and Cones
2 things
What are the receptors for hearing?
Hair Cells
what kind of cells?
What are 2 examples of sensory nerves?
Optic Nerves and Auditory Nerves
What are glial cells?
nervous system cells that provide structural support, insulation, and nutrients to the neurons
receives incoming messages
dendrite
Axon
Axon Hillock
Synaptic Cleft
Dendrite
where the information is combined
Axon hillock
Synaptic cleft
vesicles
Axon Hillock
Neurotransmitter
Carries outgoing message from soma to synapse
Axon
Synaptic cleft
Axon
Vesicles
Neurotransmitter
Messages being sent from one neuron to another must pass through here
Synaptic cleft
Myelin sheath
Axon
Dendrite
Synaptic cleft
Small sacs in the axon terminal
Vesicles
Neurotransmitter
Action Potential
Vesicles
Myelin sheath
Chemical messenger between neurons
Neurotransmitter
Neurotransmitter
Myelin sheath
Action potential
Axon hillock
Insulates the axon and speeds the action potential
Myelin sheath
Action Potential
Neurotransmitter
Myelin sheath
Action potential
Occurs when the axon is said to depolarize
Action potential
Dendrite
Axon hillock
axon
action potential
Indoming messages can be either __________ meaning... or _________ meaning...
excitatory meaning they tell the cell to send its own message OR inhibitory meaning they tell the cell NOT to send its own message
True OR False: Once the action potential is fired, it travels down the axon at varying sizes.
False
The central nervous system is composed of what 2 things?
brain and spinal cord
The hindbrain is composed of what 4 things?
medulla
pons
reticular formation
cerebellum
In what order did the structures of the central nervous system evolve?
lower, middle, then cerebral cortex