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Absolute Threshold
minimum stimuli needed to be detectable about half the time
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Achievement vs. Aptitude
Achievement is what you already know, while aptitude is what you're capable of learning
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Algorithm
long, tedious method of finding a solution. (go through all possibilities)
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Heuristic
strategic method of finding a solution, more prone to error. (only considering answers that would make sense)
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Altruism
unselfish regard for the welfare of others
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Androgyny
having both masculine and feminine dispositions of the mind (coined by Sandra Bem)
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Attribution theory
applying your own beliefs and motives to those around you
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Blind spot
Where the optic nerve leaves the eye; since there are no receptors there, one cannot see.
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Broca's area
(left frontal lobe) controls language and muscle movements involved with speaking. Aphysia leaves one unable to speak.
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Chunking
grouping large lists into smaller, easy-to-remember chunks of information.
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Cognitive dissonance
having differing beliefs.
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Cross sectional studies
comparing people of different ages
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Dendrites
retrieves signals from axons
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Axons
sends signals to dendrites
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Myelin Sheath
conducts signals from axons to dendrites
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BATD
stages of sleep waves; Beta, Alpha, Theta, Delta (REM)
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REM
Rapid Eye Movement sleep. A deep stage which usually involves dreaming.
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Difference threshold
minimum difference needed between two stimuli to detect the difference about half the time
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Divergent and Convergent thinking
divergent thinking involves looking for more than one answer (finish the word: S_____). convergent thinking involves only finding one answer (multiple choice questions).
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Ebbinghaus
found that it was easy to remember important things rather than nonsense ideas. Practice made perfect
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Spontaneous Recovery
After not associating one stimuli with another for some time, it comes back easier later on
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Echoic memory
being able to repeat information within a 4 second delay
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Norepinephrine and Epinephrine
in charge of attention
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Endorphins
pain killing neurotransmitter
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Serotonin
involving in appetite and sleep. also involved with memory
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foot-in-door phenomenon
tendency for people to agree to a large request after agreeing to a small one
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Formal Operations
people think logically about concept ideas
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Fovea
central focal point in the retina
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free association
an unconscious revealer: after hearing one word, you verbalize the first word that comes to mind. (cat: dog, milk: cow, house: mom)
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functional fixedness
the inability to see new functions for objects. (screwdriver can't be used as a weight)
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Fundamental attribution error
tendency for observers of another person to underestimate the impact of the situation and overestimate the impact of personal disposition. Ex: if someone is acting grouchy, you might assume that she's a grouchy person, even though she might just be having a bad day.
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Habituation
When repeating something causes the results to be less accurate (ie, tests)
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Harry Harlow
Surrogate mothers. Nature vs. Nurture. Nurture is more important for infants psyche
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Hawthorne Effect
settings influence productivity. (working at an office produces better results than working in a lounge)
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Hypothalamus
maintains homeostasis (balancing parts of the body), located below the thalamus in the brain. Directs maintenance activities (eating, drinking, body temperature) and helps govern the endocrine & pituitary gland. Is also linked to emotion.
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Amygdala
Emotion center of the brain
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Illusory correlation
seeing a relationship when none is present
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Imprinting
newborn animal sees first moving object as its mother
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Interference
(retroactive/proactive inhibition) Retroactive interference: new information makes it harder to recall something you learned earlier. Proactive interference: old information makes it harder to recall newer information.
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Just-world phenomenon
we live in a fair world, ha!
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