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In modern psychology, vigilance, also termed sustained concentration, is defined as the ability to maintain concentrated attention over prolonged periods of time. [1] During this time, the person attempts to detect the appearance of a particular target stimulus.
Researchers in psychology and cognitive science study perceptual vigilance to understand how attentional mechanisms operate and how they can be influenced by internal and external factors. By investigating the cognitive processes underlying perceptual vigilance, researchers gain insights into human perception, behavior and decision-making. [4]
Norman H. "Mack" Mackworth (1917–2005) was a British psychologist and cognitive scientist known for his pioneering work in the study of boredom, attention, and vigilance; [1] the Mackworth Clock test has been used since the 1940s in the study of vigilance.
Domenico Tintoretto, Allegory of Vigilance. People who have to be alert during their jobs, such as air traffic controllers or pilots, often face challenges maintaining their alertness. Research shows that for people "...engaged in attention-intensive and monotonous tasks, retaining a constant level of alertness is rare if not impossible."
Vigilantism and the vigilante ethos existed long before the word vigilante was introduced into the English language. There are conceptual parallels between the medieval aristocratic custom of private war or vendetta and the modern vigilante philosophy.
A psychomotor vigilance task (PVT) is a sustained-attention, reaction-timed task that measures the consistency with which subjects respond to a visual stimulus. Research indicates increased sleep debt or sleep deficit correlates with deteriorated alertness , slower problem solving , declined psychomotor skills , and increased rate of false ...
Vigilantism in the United States of America is defined as acts which violate societal limits which are intended to defend and protect the prevailing distribution of values and resources from some form of attack or some form of harm.
Logo. The Decade of the Brain was a designation for 1990–1999 by U.S. president George H. W. Bush as part of a larger effort involving the Library of Congress and the National Institute of Mental Health of the National Institutes of Health "to enhance public awareness of the benefits to be derived from brain research".