6] Sustained Attention & Visual Search

Question 1

What signal detection

Answer 1

Detect a target stimulus among a mass of stimuli

Question 2

What is vigilance

Answer 2

Ability to attend to a field of stimulation over a long period, during which the person seeks to detect the appearance of a

Question 3

What is sustained attention

Answer 3

The ability to self sustain conscious processing of repetitive stimuli, that would otherwise lead to being distracted by other stimuli

Question 4

Failures of attention: Action slips

Answer 4

Actions preformed unintentionally, usually due to highly practised actions or inattention

Question 5

Action slip types

Answer 5

1] Storage failure
2] Test failure
3] Subroutine failure
4] Discrimination failures
5] Programme assembly failure

Question 6

Failures of attention: Change blindness

Answer 6

Is the failure to detect that an object has moved or disappeared from visual display.
influenced by task difficulty or similarity to target

Question 7

Factors influencing change blindness

Answer 7

1] Preoccupation
2] Intention
3] Gaze direction
4] Culture

Question 8

Failures of attention: Attentional blink

Answer 8

The period of time after the detection of a stimulus during which another cannot be detected