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Psychology Mid-Term for webby
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70
Psychology
Not Applicable
01/22/2005

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Term
Psychology
Definition
The scientific Study of mental processes and behavior
Term
4 APA Guidelines
Definition
Subjects gave the right to decline participation at any time, Openness and honesty are essential to experimentation, information obtained about a sjubject is confidential, subjects must be informed of risks
Term
Survey
Definition
asking questions of a carefully selected group of people.
Term
Naturalistic observation
Definition
researchers secretly observe subjects of the study
Term
Interviews
Definition
asking the person one on one questions to get more detailed answers
Term
Case Study
Definition
developing information about person's long-term background, often for purposes of psycholigcal treatment.
Term
Psychological tests
Definition
an IQ test
Term
Longitudinal
Definition
following one group of people through the years from time to time
Term
Cross-sectional
Definition
studying different age groups
Term
frontal lobe
Definition
includes prefrontal area, coming up with strategies, frontal association area (heavily packed with nerve cells because its task is very complex: to interpret what is going on and tellus what to do and what to feel, contains motor strip
Term
occipital lobe
Definition
makes sense of what we see
Term
parietal lobe
Definition
the division of te cerebral cotex that contains the sensory strip
Term
temporal lobe
Definition
major centers for hearing
Term
left hemisphere
Definition
speech language logic writing
Term
right hemisphere
Definition
spatial reasoning, art, music, emotions
Term
corpus callosum
Definition
holds hemispheres together
Term
lower brain
Definition
part of the brain common to animals and humans that regulates basic functions such as breathing
Term
thalamus
Definition
part of the lower brain that functions primarily as a central relay station for incoming and outgoing messages from the body to the brain and the brain to the body
Term
hypothalmus
Definition
part of the lower brain that regulates basic needs and emotiosn such as pleasure, fear, rage, and sexuality
Term
amygdala
Definition
controls emotion
Term
hippocampus
Definition
involved in froming memories
Term
cerebellum
Definition
coordinates and organizes bodily movements for balance and accuracy
Term
RAS
Definition
regulates the activity level of the body
Term
sensation
Definition
the process of receiving information from the evironment
Term
perception
Definition
the process of assembling and organizing sensory information to make it meaningful
Term
cornea
Definition
clear outer covering of the eye
Term
iris
Definition
colored circular muscle that opens and closes
Term
pupil
Definition
opening in the eye
Term
retina
Definition
the back of th eye
Term
blind spot
Definition
area in retina where there are no receptors
Term
rod
Definition
sensitive to violet-purple wavelenghts
Term
cone
Definition
sensitive to color
Term
afterimage
Definition
image that remains after stimulation of the retina has ended
Term
depth perception
Definition
the ability to see the relation of objects in space
Term
texture gradient
Definition
how rough or smooth objects appear; used in depth perception
Term
retinal disparity
Definition
the difference between the images provided by the two retinas
Term
illusion
Definition
inaccurate perception
Term
reversible figure
Definition
illusion in which the same object is seen as two alternating figures
Term
homeostasis
Definition
bodily process of maintaining a balnaced internal state
Term
motivation
Definition
forces that push the organism into action to reach a goal
Term
causes of hunger
Definition
stomach contractions, low blood-sugar, taste receptors, hypothalmus, shrunken cells
Term
hierarchy of needs
Definition
physiological, safety, belonging, self-esteem, self-actualization
Term
physiological needs
Definition
hunger, thirst
Term
safety needs
Definition
things needed to feel safe, such as a house, or guard dog
Term
belongingness needs
Definition
needs to habe contact and love
Term
self-esteem needs
Definition
liking and respecting yourself
Term
self-actualization needs
Definition
establishing meaningful goals and a purpose in life
Term
REM Sleep
Definition
rapid eye moevement, incrases in length, vivid dreams, nightmares, paralyzed body, essential
Term
NREM sleep
Definition
decreases in length, vague dreams, night terrors, sleepwalking and talking, less essential
Term
consciousness
Definition
awareness of, or possibility of knowing what is happening inside or outside itself
Term
dream theories
Definition
process information, work out unsolved problems, make sense of random stimulation to the brain
Term
what do we dream about?
Definition
EVERYTHING
Term
nightmares
Definition
occur during REM, associated with vivid images, occur during REM rebound usually
Term
night terros
Definition
occur during NREM, brastic bodily changes, associated with panic
Term
rem rebound
Definition
increase in the number of dreams after being deprived of REM sleep
Term
insomnia
Definition
the inability to get enough sleep
Term
narcolepsy
Definition
disorder in which a person falls instantly into sleep no matter what is going oni in the environment
Term
sleep apnea
Definition
condition in which a person's breathing often stops while the person is asleep
Term
John B. Watson
Definition
taught rats how to do tricks with emotional conditioning, later used tactics on children
Term
Positive reinforcement
Definition
"Angela picks up her jacket because she was praised the last time she did it"
Term
Negative reinforcement
Definition
"Angela picks up her jacket to stop her father's nagging"
Term
Primary reinforcement
Definition
something necessary for psycholigcal or physical survival that is used as a reward
Term
Secondary reinforcement
Definition
anything that comes to represent a primary reinforcer, such as money
Term
generalization
Definition
a behavior that spreads from one situation to a similar one
Term
discrimination
Definition
learning to tell the difference etween one even or object and another; the reverse of generalization
Term
shaping
Definition
the process of gradually refining a response by successively reinforcing closer approximations of it
Term
variable ratio schedule
Definition
schedule in which reinforcement occurs after a desired act is performed a specific but variable number of times
Term
fixed ratio schedule
Definition
schedule in which reinforcement occurs after a desired act is performed a fixed number of times
Term
variable interval schedule
Definition
act is performed following a variable amount of time
Term
fixed interval schedule
Definition
act is performed following a fixed amount of time
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