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The flashcards below were created by user
PsychMajor4962
on FreezingBlue Flashcards.
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What is behavioral genetics?
The study of relative effects of genetics and the environment on mental processes and behavior.
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What is evolutionary psychology?
The study of how natural selection and adaptation help explain behavior and mental processes.
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Define Polygenic.
A characteristic controlled by multiple genes.
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What is the difference between a Dominant and a Recessive gene?
Dominant gene: Reveals its trait when the gene is present
Recessive: Will normally only be expressed when the other gene in the pair is also recessive.
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What is natural selection?
When a specific genetic trait gives an organism a reproductive advantage over others.
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How is heredity linked to human behavior? How is evolution?
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What form of psychology suggests that many behavioral commonalities emerged because they helped our ancestors survive?
Evolutionary Psychology. Also states that living tissue changes.
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How do neurons (brain cells) communicate?
The neurons communicate with chemicals.
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What is Dopamine?
One of the major excitatory of the brain, connected to emotion and pleasure.
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What is Norepinephrine?
One of the major chemicals behind Focus.
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What is Glutamate?
Widely distributed excitatory, contributed to memory. Most excitatory neurotransmitter in the CNS.
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What is DHEA?
A steroid hormone produced from adrenal glads, gonads, ect. as sexual stimulants. (aka. The fountain of youth)
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What is PEA?
Phenylethlamine, responsible for the "romantic rush" (Jacobs ref: PEA Brain)
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What are endorphins?
Natural "pain killers"
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What is testosterone?
The hormone behind aggression.
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Where does dopamine originate, and does it travel to the PFC?
The mid-brain - the limbic system - and yes.
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What is the purpose of the "front loaded" brain?
Procreation.
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What is serotonin?
Chemical behind, calm and collected, self esteem, and mood elevation.
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What is GABA?
Anxiety "Switch" - low GABA raises anxiety.
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What is neurogenesis?
Stem cells that can grow into any type of cells.
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Why is neuroglia important?
It is 70-80% more powerful than the neuro-doctrine - it increases the power of the chemistry.
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What is the significance of melatonin in the brain?
Melatonin is the first stage "natural sleeping pill" - Second stage of sleep is mediated by GABA, where we reach deep sleep.
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What is DSIP?
Delta Sleep Inducing Peptide - The second "sleeping pill" - makes us sleep deeply longer.
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What is the significance of the Pancreas?
Regulates health by avoiding diabetes and hypoglycemia.
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Where does thyroxin come from?
The Thyroid gland.
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What are the Five Endocrine glands?
- Gonads - Androgen & Estrogens
- Thyroid - Thyroxin regulating growth and metabolism
- Hypothalamus - Wide range regulator of hunger, sex, ect.
- Pancreas - Regulates health by preventing diabetes and hypoglycemia
- Pineal - Secrets melatonin leading to sleep
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