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47 Cards in this Set

  • Front
  • Back
What is cognition?
Scientific study of the mind
When was the behavioral revolution?
1960's
Sensation vs. Perception
Sensation = Light hits eyes
Perception = Brain makes sense of it
Bottom-up processing
info-driven, parts
Top-down processing
context driven
template approach
store all possible templates, formed through experiences
problem with template approach?
not everything fits into a template, can't explain generalization
prototype approach
average all templates together
canonical perspective
angle that best represents an object
feature analysis approach
identify specific features that make up an item
word superiority effect
top-down approach
researchers flashed either "k" or "work", word condition was more accurate
place of articulation
where the sound happens (roof of mouth/lips)
Miller & Nicely (1955)
hear sounds + white noise
"what did you hear?"
confused sounds more often than when 1 feature differed (p vs. b... w vs. b)
phoneme restoration effect
can understand word even with missing sound
Warren & Warren
*eel study, context cues, top-down
Biederman (1987)
Recognition by components theory
Geons
basic 3D shapes make up everything
Agnosia
problems with perception
Apperceptive agnosia
can't put parts together into a whole (human drawing, parts everywhere)
Spatial agnosia
spatial ability problems (can get lost in own house)
Prosopagnosia
problems recognizing faces
filter theory of attention
stimuli -> sensation/perceptual analysis -> bottleneck -> response
(unattended info is lost)
Evidence for filter theory of attention
dichotic listening task (Broadbent 1952)
shadowing task (Cherry 1953) "repeat what is coming into your left ear"
Problem with filter theory of attention
Cocktail party effect (Moray 1959)
Attenuation theory
Anne Treisman (1960)
messages filtered but not lost
Evidence for attenuation theory
Gray & Wedderburn (1960)
Mice Scratch Cheese... Dogs Eat Fleas
Physical location doesn't always matter
dual task paradigm
harder to do 2 tasks concurrently if both are within same modality
practice & divided attention
Spelke, Hirst, & Neisser (1976)
read & take dictation, can improve with practice
Stroop Effect
Automatic vs. Conscious processing
automatic processing
mental processes without awareness, more automaticity, less attentional resources
Hemineglect
Failure to attend to left side of visiospatial areas and mental images
due to damage of the right parietal lobe
Testing for hemineglect
Line bisection task

-----x------
--------x---
Dual-Coding Hypothesis
two types of thought, verbal codes ("apple") and imagery codes (picture of an apple)
propositional codes
under verbal codes
analog codes
under imagery codes
logogens
under verbal codes
imagens
under imagery codes
concrete words are coded as:
both logogens and imagens
abstract words are coded as:
just logogens
Pavio (1965)
learn list of 16 noun pairs

2 concrete, 1 concrete/1 abstract, 1 abstract/1concrete, 2 abstract

11.41, 10.01, 7.36, 6.05 correct
Shepard (1967)
study list of pictures and list of words, 2 hour delay, then recall
100% pics recalled
80% words recalled
Schooler & Engstrom-Schooler (1990)
Shown a robbery video
Either imagine the robber or verbally describe the robber
Imagining the robber was more accurate
Shepard & Metzler (1971)
Mental rotation task
more degrees of rotation, longer it takes to determine if same image
Evidence for similarity between images and real life*
Kosslyn (1985)
imagine fly standing next to rabbit/elephant
"does the rabbit have red eyes?"
elephant condition took longer to answer
Evidence for similarity between images and real life*
Kosslyn, Ball, & Reiser (1978)
a fictitious map of an island, travel from A to B.
Took longer if route was longer
Evidence for similarity between images and real life*
Brooks (1968)
F
start to top left, work way around, answer yes/no at each corner if it's a top or bottom
either speak or point yes/no
Evidence for similarity between images and real life*
Chambers & Reisberg (1985)
duck/rabbit image, shown 5 secs
told either see duck or rabbit
when they mentally picture it they don't see the other, when they draw it they do see the other
Evidence for difference between mental imagery and real life*
Tversky (1982)
errors in map imaging due to previous experience
"is reno more east than san diego?
Evidence for difference between mental imagery and real life*