Chapter 10 - Human information processing Flashcards

1
Q

What factors affect attention and vigilance?

A

Environmental - Noise/temperature etc

Physiological - sleep loss, high blood pressure etc

Task factors - frequency of signals

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2
Q

What is the effect of high arousal on response?

A

it leads to faster but less accurate response

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3
Q

How long does information stay in the sensory store via the visual channel?

A

0.5 - 1s

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4
Q

How much information comes through the visual channel?

A

80%

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5
Q

How long does information stay in the sensory store if it has entered through the auditory channel?

A

2-8s

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6
Q

What are the features of working memory?

A

Can store 7 +/- 2 bits of info

lasts about 10-20 seconds

is highly sensitive to interruption

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7
Q

How can we improve our working memory?

A

chunking

associating

mnemonics

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8
Q

What are the 3 different info stores?

A

sensory store

working memory

long term memory

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9
Q

What is the capacity of the long term memory?

A

unlimited

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10
Q

What are the components of long term memory?

A

Semantic memory - meaning of words;general knowledge

Episodic memory - personal experience

Procedural memory - motor programmes

SEP

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11
Q

What is experience bias?

A

A tendency to distort recalled events to make them fit ones expectations

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12
Q

What happens to the performance of pilots as they age?

A

It decreases by a very small amount if at all

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