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80 Cards in this Set

  • Front
  • Back
zygote
fertilized egg with 100 cells
embyro
2 week old zygote
fetus
9 week old embryo
teratogens
chemicals that could harm the fetus, but placenta protects the fetus from the chemicals
Schemas
mental molds to organize ideas
assimilation
processing of fitting objects into existing schemas
accommodation
creating new schemas for new objects
sensorimotor
0-2
mental activity confined by schemas
object permanence
end of sensorimotor stage

when child recognizes objects
preoperational
2-7
begin to understand things using symbols
make intuitive guesses
egocentric
don not understand conservation
concrete operational
7-12
mentally transform info
cannot think abstractly
formal operational
12+
abstract thinking
adolescent egocentrism
everyone is looking at me
personal fable
im unique
parent infant attachment
deep, affectionate, close, and enduring relationship between parent and child
secure attachment
infant wants to be with parent but also wants to explore
insecure attachment
avoid-ant, ambivalent, disorganized
avoidant
avoid or ignore parent
ambivalent
upset when parent leaves, angry when they return
disorganized
inconsistent behavior
adolescence
life between childhood and adulthood

puberty
frontal cortex
slow developing to limbic system
causes occasional poor teen judgement
Kohlberg's stages of moral development
preconventional, conventional, postconventional
preconventional
moral choices are selfish
conventional
choices based on following the rules
postconventional
judgments based on personal standards
limitations of kohlberg's stages
cross-cultural studies, gender differences in moral thinking
adulthood
peak in 20's
recognition memory
multiple choice, can recognize if seen

does not declines with age
recall memory
essay, have to think of it without assistance

declines with age
fluid intelligence
ability to reason speedily

declines with age
crystalized intelligence
accumulation of knowledge and skills

does not decline with age
sensations
detect physical energy(stimulus) from environment and convert to neural signals
perception
select, organize, and interpret sensations
bottom up processing
analysis of sensation
low level
just seeing the basics
top down processing
information processing
high level
construct perceptions
vision
wavelength -- hue, color
amplitude -- intensity, brightness
pupil
adjustable opening where light enters the eye
iris
colored muscle surrounding pupil
responds to light intensity or internal states
lens
focuses light into the retina
accommodation: lens changing shape to accommodate viewing
retina
layer of photo-sensative cells in the back surface of eye
transduces photons
Fovea
central area of retina contains only cones
cones
function in bright lighting
detection of detail
rods
detect black, white, grey
responsible for peripheral vision in dark
process
1. light reaches rods and cones
2. chemical reactions activate bipolar cells
3. bipolar cells activate ganglion cells
4. ganglion forms optic nerve
ganglion
information form thousands of visual receptors
sees only the receptive field
optic nerve
carries neural impulses from eye to brain
blind spot
where optic nerve leaves the eye because there are no receptor cells located there
parellel processing
processing of several aspects of the stimulus simultaneously
the brain divides a visual scene into subdivisions
feature detection
nerve cells respond to specific features (edges, angles, and movement)
shape detection
special combinations of temporal lobe activity occurs as people look at shoes, faces, chairs, houses
tri chromatic theory
any color that produces by mixing pure versions of blue green or red light in different amounts
3 different types of cones
red
green
blue
color blindness
genetic disorder in which people are blind to green or red colors
problem with tri chromatic
cannot explain some quirks

red-green color blind people can still see yellow
opponent-process theory
3 pairs: red-green, blue-yellow, black-white

complimentary colors
loudness
amplitude or height of the sound wave
pitch
frequency of sound wave

determines how high or low a tone is
Place theory
hair cells at a particular place on the basilar membrane respond to particular frequencies of sound

describes how we hear high frequencies not low frequencies
frequency-matching theory
firing rate of an auditory nerve matches a sound waves frequency

describes how we hear low frequencies
smell (olfaction)
it goes straight to the brain, not through the thalamus

axons from neurons in the nose have synapse in the olfactory bulb

plentiful in the amygdala
taste (gustation)
receptors concentrated on tongue
figure ground organization
figure -part of visual field that has measure (object)

ground - visual field with less meaning (background)
gestalts law of organization
the whole greater than the sum...because we add meaning
gestalts laws
proximity: group things together that are close
similarity: group thing because they look alike
depth perception
the projection of our retina

depth cues
monocular
one eye

picture of street
monocular (interposition)
one thing is covered up by another thing
monocular (relative size)
size difference in people
monocular (height in visual field)
where object is (front or back)
monocular (textural gradient)
texture fades towards top of picture
monocular (linear perspective)
lines converge in the middle
monocular (reduced clarity)
farther back, less clear
binocular
2 eyes
accommodation
information about the muscle activity involved in accommodation serves as one cue
convergence
depth cue resulting form rotation of the eyes so the image is projected on each retina
binocular disparity
depth cue based on the difference between the retina images received by each eye
optical flow
constantly changing image on the retina when in motion
looming
rapid expansion in the size of an image so that it fills the retina (baseball being thrown at your face)
stroboscopic motion
tendency to perceive movement when a series of still images appear, one at a time, in rapid succession