hypervigilance

noun
hy·per·vig·i·lance | \ ˌhī-pər-ˈvi-jə-lən(t)s \
variants: or hyper-vigilance

Definition of hypervigilance 

: extreme or excessive vigilance : the state of being highly or abnormally alert to potential danger or threat A person suffering from PTSD may have sleep disturbances, irritability, hypervigilance, heightened startle responses and flashbacks of the original trauma. —Ellen L. Bassuk et al. One common trait among fearful fliers is hypervigilance; they often spend the entire trip watching the flight attendants, analyzing the chime system, and assessing the sounds of the engines. —Nancy J. Perry

First Known Use of hypervigilance

1917, in the meaning defined above

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The first known use of hypervigilance was in 1917

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More Definitions for hypervigilance

hypervigilance

noun
hy·per·vig·i·lance | \ -ˈvij-ə-lən(t)s \

Medical Definition of hypervigilance 

: the condition of maintaining an abnormal awareness of environmental stimuli a person suffering from PTSD may have…hypervigilance, heightened startle responses and flashbacks —Ellen L. Bassuk et al

Other words from hypervigilance

hypervigilant \-lənt \ adjective

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