Vigilance Flashcards
____, is a state where the mind & body are poised in readiness to respond
Vigilance
____, is a decrease in an innate response as a result of repetition of the stimulus
Habituation
What were the 3 experimental test Mackworth (1950) did on vigilance & habituation?
He did 4 30 min periods in a row detecting targets with Clock, Radar, & Sonar
What were the results from Mackworth (1950) Clock experiment?
Participants missed 15% of targets in round 1 & 27% in rounds 2-4. Also the changing of the targets magnitude & warnings had no affect.
What were the results from Mackworth (1950) Radar experiment?
Similar to the Clock Test but brightness of the target influenced performance
What were the results from Mackworth (1950) Sonar experiment?
Similar patterns of results as the Clock & Radar test but had the worst performances of the 3 task
What is the trade-off for vigilance made by our Attentional System?
In order to remain vigilant to some stimuli of interest, we habituate to other repeated stimuli around us
True or False. Is long periods of vigilance difficult for humans to maintain?
True
____, is highly addictive & disrupts higher order mental functions
Amphetamine