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Behavioral genetics
mixture of genes and environment, the resulting behavior
- how hereditary and environment affects behavior and mental process
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Neuroscience
looking at how biological processed relate to behavioral and mental processes
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Research methods for Neuroscience
- - Twin studies
- -Fraternal studies
-Adoption studies
-family studies
- -Genetic abnormalities
- -passing a defected chromosome
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How is info processed?
Neurons, they send messages to the brain
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Glial Cell
keep messages organized and protects them.
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Dendrites
receive information from other neurons and sensory receptors
2 ways: exciteary and inhalatory
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Axon
carries neutrons message to other body cells
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Myelin sheath
covers the axon of the some neurons to insulate and help speed neural impulses
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Neurons communicate 2 ways
-action potential
- chemical
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Polarized
-sleeping node
-positive out and negative in
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Depolarized
-the node is at rest
- the "gates" open up, and positive ions come in, changing the charge to negative
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Repolarized
-it causes an imbalance of postive and negative charges, that the gates open up
- gates open up, positives run out, thus coming back to polarized resting mode
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Neurotransmitters
neurons that make it to the terminal buttons
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2 mechanisms to keep cleft clean
-reuptake
-MAOE
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2 types of drugs
angonist and antagonist
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Hormonal comunication
-slower than neural messages
-long term functions of the body
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where do hormones come from?
glands
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Endocrine system
all the glands in ones body make the system.
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