Attention Flashcards

1
Q

attention

A

process of focusing on specific features of the environment or on certain thoughts or activities

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2
Q

selective

A

excluding other features of the environment

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3
Q

limited

A

in capacity and timing

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4
Q

overt

A

willing to pay attention

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5
Q

covert

A

grabs your attention without your control ex. siren

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6
Q

two types of attention

A

selective
divided - multitasking

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7
Q

selective attention

A

ability to focus on one message and ignore all others

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8
Q

case in point

A

we do not attend to a large fraction of the information in the environment

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9
Q

research on selective attention focuses on

A

filtering out some information and promoting other information for further processing

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10
Q

dichotic learning

A

One message is presented the left ear and another to the right ear. Participant repeats one message

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11
Q

dichotic learning results

A

Participants could not report content of unattended ear (knew there was message and speaker’s gender)
Unattended ear is being processed (noticed change in tone and gender)
Cocktail party effect - everyone is talking but you will hear if your name is mentioned

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12
Q

Broadbent’s Filter Model

A

information comes in then goes to sensory memory/short term memory but with high capacity everything goes through then gets filtered. The filter will have you choose a message to focus on and only send that one through. Filter happens before establish meaning which is for the detector. Finally to memory where you remember or not

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13
Q

early selection model (Broadbent)

A

filters messages before incoming information is analyzed

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14
Q

sensory memory

A

hold all incoming information for a fraction of a second

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15
Q

filter

A

identifies attended message based on physical characteristics, only attended messages are passed on

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16
Q

detector

A

processes all information to determine higher level characteristics of the message

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17
Q

short term memory

A

receives output of detector
hold information for 10-15 seconds and may transfer to long term

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18
Q

broadbents model could not explain

A

cocktail affect
can shadow meaningful messages that switch from one ear to the other
can be trained to detect unattended ear

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19
Q

evidence of late selection

A

selection of stimuli for final processing may not occur after information has been analyzed for meaning

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20
Q

Mckay - late selection

A

in attending ear participants heard ambiguous sentences
in unattended ear, participants heard biasing words

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21
Q

attenuator (replaces filter)

A

analyzes incoming messages in term of physical characteristics, language, and meaning

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22
Q

attended messages is let through the

A

attenuator at full strength

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23
Q

unattended message is let through

A

attenuator at a much weaker strength than

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24
Q

dictionary unit

A

contains words each of which have thresholds for being activated

25
activation threshold below threshold
you are aware you are not
26
common words or important, your name has
low threshold
27
uncommon words have
high thresholds
28
divided attention
practice enables people to simultaneously do two things that were difficult at first
29
Schneider and Shiffrin
divide attention between remembering target and monitoring rapidly presented stimuli
30
memory set
1-4 target characters
31
test frames
could contain a target (or not) and distractors
32
stimulus can be a distractor or target but
not both
33
consistent mapping condition
target would be numbers, and distractors would be letters over time participants became able to divide their attention
34
automatic processing
occurs without intention and only uses some of a person's cognitive resources
35
Stroop effect
name of word interferes with the ability to name the ink color slower to answer
36
varied mapping condition
rules changed from trial to trial something that can be a target for one trial can be a distraction for the other or vice versa
37
controlled processing
participants paid close attention and their search was slow and controlled
38
strayer and johnston experiment 1
green light ignore red light hit immediately single - first move joystick dual - talk on cell phone or cell phone in hand listening to radio single- people could become tired so have to go back to make sure they can still do task
39
strayer and johnston result experiment 1
1. miss about 3-4% of red light 2. radio does not influence red light, are not slower 3. behave the same as people doing the task three times without cell phone, slower 4. no difference
40
strayer and johnston experiment 2
target protectory predicable or unpredictable
41
strayer and johnston experiment 2 results
1. tracking error increases with level of difficulty 2. shadowing task does not increase tracking error 3. generation task increase tracking error only matters in difficult course
42
strayer, drews, johnston
accidents only happen when lots of traffic and cellphone brake reaction time, cell phones makes difference only in high-density traffic condition cellphones only make you crash when in high sensitivity situations creates traffic jams
43
inattentional blindness
a stimulus that is not attended is not perceived even though a person might be looking directly at it
44
inattentional blindness example
color changing card trick didnt see the other changes of the table cloths, their shirts, and the background paying attention to the cards and missed it
45
stimulus salience
areas that stand out and capture attention bottom up
46
scene schema
knowledge about what is contained in typical stress top down
47
eye movement are determined by
task, can serve as a proxy
48
location based
moving attention from one place to another
49
precueing
directing attention without moving the eyes
50
object based
attention being directed to one place on an object
51
Egly - object based
participants saw two side by side rectangles followed by a target cue fastest when target appeared where indicated faster when the target appeared in the same rectangle
52
feature integration theory
object preattentive stage focused attention stage perception
53
preattentive stage
automatic unaware of process no effort analyze into features
54
focused attention stage
combine features attention plays key role in
55
Treisman and Schmidt
participants report combination of features from different stimuli ignore black numbers and focus on stimuli can correctly pair shapes and colors
56
Balint's syndrome
inability to focus attention on individual objects
57
feature integration theory
mostly bottom up top down processing combines with feature analysis to help one perceive things accurately idea of what you are looking for
58
physiology of attention
enhances neural responding spread out in the brain
59
using fMRI to detect
cortical activity during a search task