1 Flashcards

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1
Q

Interaction

A

the effect of one variable depends on the other variable

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2
Q

Experimentation PROS

A

experimental control: can test for causal relationships

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3
Q

Experimentation CONS

A
  • demand characteristics
  • generalizability
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4
Q

Demand characteristics

A

knowing you are in an experiment can change behavior

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5
Q

Generalizability

A

experimental situations are often artificial, so they might not apply well to every-day life

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6
Q

Confounding variable

A

an unmeasured 3rd variable that influences both the supposed cause and effect which can make it seem like there is a causal relationship when there is not

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7
Q

Eye Movements

A
  • excellent timing information
  • useful for studies of natural behavior
  • no extra task required
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8
Q

Measuring brain electrical activity (EEG, ERPs)

A
  • excellent timing information
  • no extra task required
  • shows what happens between input and output
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9
Q

Magnetic Resonance Imaging

A
  • uses magnetic field to scan tissue in real time
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10
Q

fMRI

A
  • measures levels of O2 in blood
  • good spatial information
  • can tell us if two processes are similar or different
  • poor timing information
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11
Q

Neuropsychology

A
  • examine performance of patients with naturally occurring brain damage
  • if patients perform poorly on a cognitive task you can assume that the damaged tissue is normally involved
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12
Q

Methods for studying the brain that have high temporal resolution tell us ____ activity is occurring; methods with high spatial resolution tell us ____ activity is occurring

A

when ; where

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13
Q

Any experiment will, by necessity, involve a compromise between

A

generalizability and control

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14
Q

A researcher decides to study the shopping habits of local residents. He goes to the local supermarket and (1) makes a note of what kinds of food people buy, and (2) gives these people a brief survey to assess how healthy they are. After analyzing his data, the researcher concludes that people who buy mainly fruit are healthier than those who buy mainly donuts. Assuming that people eat what they buy, what can we conclude from the data?

A

healthier people tend to eat more fruit than donuts

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15
Q

According to the information processing approach, mental processing can be viewed as _____; while the brain can be viewed as _____.

A

the “software” of a computer; the computer’s “hardware”.

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16
Q

Another name for parallel distributed processing is

A

Connectionism

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17
Q

Janet drank from a jug marked “apple cider.” However, she spit the liquid out when she figured out that the jug contained coffee. Janet likes coffee, so why did she spit it out? It’s likely this is the result of

A

top-down processing

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18
Q

The process that begins with an image being created on the retina, moves on to converting the input into nerve signals, and then passing this information to the brain for further processing is _____ processing

A

bottom-up

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19
Q

A friend tells you that he needs a new “jair”. But, because you’re talking about his office, you barely notice and hear the word “chair”. This is an example of:

A

using the topic of conversation as context for disambiguation

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20
Q

Your friend recently bought a new coat. The first time you see her wearing it, she is in a very dark shadow, but you still know that her coat is red and compliment her on the color. This is an example of:

A

Normalizing

21
Q

Seeing a raised pattern on a tile that is lit from above looks the same as an indented or concave pattern lit from below. The visual system makes the assumption that the pattern is raised because:

A

The visual system is using the light-from-above heuristic, derived from the fact that most natural light sources come from above

22
Q

Dichotic listening experiments demonstrate that participants who are paying attention to material in the right ear will probably also be able to remember the _______ of the material they heard in their left ear.

A

Speaker voice

23
Q

Identifying a word by first recognizing each letter is ___ processing; identifying a word based on its shape is ___ processing.

A

bottom-up; top-down

24
Q

If a participant searches for a red fish among of blue fish, their search will probably be _____; if they search for a red fish among red cats and blue fish their search will probably be _____.

A

fast; slow

25
Q

An experiment that had people recognize objects that either did or did not belong in a particular scene demonstrated that _______ may alter perception.

A

context

26
Q

The main point about attention that can be inferred from the sensory store’s relatively large capacity is that

A

bottlenecks on attention must be located after the sensory store.

27
Q

A model that recognizes typed characters by first breaking each character into a set of elements, such as “horizontal line”, and then using those elements to retrieve memory representations is doing object recognition using a

A

feature detection model

28
Q

Having a significant conversation is easier while wiping a counter than while doing arithmetic. Why might this be?

Question 10Select one:

a. cleaning and doing math require the same type of attentional resources.

b. cleaning and doing math use different attentional resources.

c. doing math and talking use the same kind of resources.

d. both B and C

A

D. both B and C

29
Q

You recently finished your engineering homework of creating a three-dimensional outline diagram of a microwave, when your friend walks in and spills nail polish all over it. They look at the picture and ask, “What was that supposed to be?” Your friend is more likely to recognize the diagram as a microwave if…

A

The paint does not cover the places where lines meet each other

30
Q

Which finding would be the strongest evidence that people recognize face configurations holistically, rather than by recognizing individual features?

a.
When compared to the original picture, a face with a new mouth is not recognized as well

b.
When compared to the original picture, a face with a mouth that is located much lower than the original is not recognized as well

c.
Both A and B are good evidence that faces are processed holistically

d.
Neither A nor B is good evidence for holistic processing

A

b.
When compared to the original picture, a face with a mouth that is located much lower than the original is not recognized as well

31
Q

Competing theories about bottlenecks of attention offer different hypotheses about

A

the amount of processing that happens before the bottleneck.

32
Q

Word superiority effect

A

Letters are more easily identified when in a word rather than alone or in a non-word sequence

33
Q

Main effect

A

effects of a single independent variable (without considering the other)

34
Q

How does the brain deal with ambiguity?

A
  • using context (contrasts)
  • make assumptions
  • use “top-down” information
35
Q

Mondegreens

A

misinterpretations of words
(ie. all of the other reindeer vs olive, the other reindeer)

36
Q

McGurk Effect

A

seeing facial movements in tandem with speech changes the auditory perception of the sound

37
Q

Object recognition is

A

fast, robust, flexible

38
Q

Prosopagnosia

A

specific inability to recognize familiar faces

39
Q

3 things that can happen when you recognize someone from their face:

A
  1. recognize the face as familiar (i know that face from somewhere)
  2. retrieve stored biographical info (ie. where you met them, anything but their name)
  3. retrieve the name of the person
40
Q

Alexia

A

specific inability to read written words

41
Q

What does Alexia reveal about word processing

A
  • word processing can be dissociated from the processing of other visual objects
  • happens at multiple levels
42
Q

Temporary memory store for vision

A

Iconic memory

43
Q

Temporary memory store general

A

sensory store

44
Q

Temporary memory store for audition

A

echoic memory

45
Q

Change blindness door experiment

A

Simons and Levin

46
Q

early selection

A

select information during perceptual analysis. some information is not fully perceived and linked to meaning

47
Q

late selection

A

all information is perceived and linked to meaning. selection is done in short-term memory, where some information is retained and other information is forgotten.

48
Q

Hemineglect

A

brain damage (especially in right parietal lobe) that causes people to be unable to pay attention to information on one side of space.

49
Q

Balint’s Syndrome

A

Condition caused by damage to parietal lobe. Can only see one object at a time