Human performance Flashcards

(63 cards)

1
Q

Direct influence

A

Deliberate attempt to recollect past experience to facilitate current information processing (remember someone name or memory sensory)

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2
Q

Indirect influence

A

do not need to be conscious that memory is being used to influence performance (motor skills)

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3
Q

Encoding

A

transmission of information into a form retainable in memory

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4
Q

Storage

A

holding of information

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5
Q

Retrieval

A

accessing information from storage after a time interval and use of information to guide behavior

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6
Q

Multistore model

A

STSS -> STM -> LTM

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7
Q

Short term sensory store

A

brief, duration is 250ms, capacity limitless, large amounts of info past through STSS but not much reaches the consciousness

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8
Q

Short-term memory

A

information is selected on basis of relevance, 30s, temporary workspace, Acts as a storage system for information

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9
Q

Working memory 1

A

information from STSS can be stored for processing

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10
Q

working memory 2

A

information form LTM can be retrieved for processing and integrating with information from STSS

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11
Q

work memory 3

A

effortful and limited capacity conscious processing (controlled processing) can be performed

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12
Q

Central executive

A

proposed as control system of the model responsible for strategy selection, planning, monitoring task performance and coordinating other 2 components of WM

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13
Q

Phonological loop

A

responsible for manipulating and maintaining speech based information within WM

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14
Q

visuospatial sketchpad

A

responsible for generation manipulation, and retention of visual images

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15
Q

Primacy-recency effect

A
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16
Q

Long term memory

A

information is seemingly limitless, very abstract coding, seemingly limitless capacity

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17
Q

Types of memory

A

Declarative and procedural

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18
Q

declarative

A

can be expressed (explicit) and assists us in knowing what to do
Episodic: autographical memory for events in given time and place
Semantic: meaningful facts not tied to time and place

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19
Q

Procedural

A

memory storage of skills and procedures

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20
Q

Recall

A

recovery of information as a result of conscious search

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21
Q

Recognition

A

automatic recovery of information as a result of an external stimulus

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22
Q

Decay theory

A

(spontaneous decay) we can no longer recall information from our memory because of disuse

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23
Q

Interference theory

A

due to competing responded between criterion tasks and task that have been learned before and after

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24
Q

Retroactive

A

new information interferes with older information

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25
Proactive
earlier information projects itself forward
26
Endogenous attention
top-down, goal driver attention (internal influence)
27
Exogenous attention
bottom-up, stimulus driver (external influence)
28
sustained attention
vigilance, stay focus on one task for continous time without distractions
29
Vigilance level
an overall ability to detect signals
30
Vigilance decrement
decrease in performance
31
Selective attention
select from and focus only on the stimuli you want to attend to
32
Intentional
purposefully choose to attend to one source of information
33
incidental
a response to an external stimulus
34
limits of selective attention
change blindness and inattention blindness
35
change blindness
reflects a strong role of memory, and expectation as to what to attend to and what we become aware of
36
Inattention blindness
the failure to see certain sensory events when focusing on others events
37
Multitasking
the ability to switch focus back and forth between tasks requiring different cognitive demands (one task performance declines
38
Distraction
the process of diverting attention from a desired area of focus Blocking or diminishing the reception of desired information
39
Directing attentional focus
broad external, broad internal, narrow external, narrow internal
40
The inverted U hypothesis
41
Proprioceptive
State of the body
42
Exteroceptive
state of the environment
43
sensory information (exteroception)
vision and audition
44
sensory information (proprioception)
vestibular, apparatus, joint receptors, muscle spindles, Golgi tendon, organs
45
Vision
70% of all sensory receptors are located in the eyes 40% of cerebral cortex thought to be involved in processing visual information
46
Snellen eye chart
used to determine static visual acuity
47
Dynamic visual acuity
allows you to see details of moving objects
48
visual acuity and exercise
visual acuity found to increase following exercise
49
Eye dominance
one eye processes information and transmits it to the brain more quickly than the other
50
Spotting
used in rotational skills Rotation of head delayed relative to bodys rotation
51
Visual search
scanning the environment to locate critical cues Gaze fixation: during a scan, gaze may land on one location
52
quiet eye
final fixation located on a target or object before movement Elite performers: longer, earlier onset, and of more optimal duration
53
Targeting skills
fixed: stable and predictable Abstract: target fixed but optimal aiming location difficult to detect Moving: mover must anticipate targets impending location
54
Interceptive skills
1. track a moving stimulus 2. decide when and or where stimulus will arrive 3. determine and execute appropriate movement
55
Conceptual model
56
Open loop control
taking out the feedback system (very quick)
57
Characteristics of open loop control
1, advance instructions specify operations, sequence and timing 2. system executes instructions without modification 3. no capability to detect or correct error 4. most effective in stable, predictable environments
58
Motor program
blue print stored in long-term memory
59
idea
running a motor program Retrieved and prepared during response programming
60
Problems in motor program theory
Novelty problem storage problem
61
Generalized motor program GMP
Remain the same -> invariant features Change each time -> parameters
62
Invariant features remain the same
Sequence and relative timing
63