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An attentiveness, alertness, or watchfulness for whatever may occur.
[L. vigilantia, wakefulness]


Etymology: L, vigil, awake
a state of being attentive or alert.


Neurology The conscious and semiconscious focusing and sustained attention to subtle sensory signals within a determined modality–eg, auditory or visual, coupled to filtering out of distracting internal and external stimuli; PET studies of humans localize the 'attention center' to the prefrontal and superior parietal cortex primarily in the right hemisphere, regardless of the modality or laterality of the stimulus


(vĭj′ĭ-lăns) [L. vigilantia, wastefulness]
The condition of being attentive, alert, and watchful.

Patient discussion about vigilance

Q. Can I get a headache from watching too much T.V? I've been having headaches after watching more than an hour and a half T.V straight. It also happens If I use the computer the same way.

A. Could be god's way of telling you that you should go out more, play basketball instead of watching basketball. But it's probably short eye sight problem. But it'll do you good going out side instead of playing in your computer!

Q. If diabetes has to do with sugar in the blood why does diabetic patients have to watch their salt consumption?

A. very good question :) and a good answer too:)
if you have Diabetes type 2 that means you have a risk factor for heart attacks. it also means you probably have high blood pressure, so it's in your best interest to watch your sult consumption even more then others.

More discussions about vigilance
References in periodicals archive ?
Security is not a one-way traffic, you don't have to sit in the fence, we all must get involved, either by providing useful information or in fighting it proper like the Anambra Vigilance Group is doing in Anambra.
Also, the Kottayam vigilance court had ordered verification of the land encroachment allegations filed against Chandy.
In addition, for consistent improvements towards international practices and strengthening of DRAP, a Quality Management Cell was approved along with Vigilance Cell in DRAP.
Director-General of Police Jacob Thomas, perceived to be a Vijayan favourite, was posted as the head of the Vigilance and Anti-Corruption Bureau in May last year soon after the new Left Democratic Front government came to power.
Dr Jitendra Singh said that the concept of preventive vigilance is the step in right direction.
Central Vigilance Commissioner K V Chowdary said trucks carrying loads of coal from mines etc.
Pimentel said public vigilance would play a critical role in the security cordon as the Pope insisted on traveling in an open popemobile.
The deputy governor of the central bank of India, R Gandhi, said that the bank would increase 'continuous vigilance and intelligence gathering' on banks to prevent frauds like those that happened recently.
A literature search of the CINAHL and PubMed databases conducted for the period 1990-2013 using the search terms vigilance and family presence during hospitalization revealed the focus on family presence in U.
Indeed, behavioral ecologists have identified 16 factors that affect vigilance (Quenette, 1990; Lima, 1995; Treves, 2000).
Le ministre de l'Interieur Manuel Valls et la ministre de l'Ecologie Delphine Batho ont appele mardi soir a la plus grande prudence dans les departements des Hautes-Pyrenees et des Pyrenees-Atlantiques places en vigilance rouge crues.
A full definition of vigilance fatigue must consider an array of closely associated skills, abilities, and behaviors, all of which contribute to a capacity for sustained vigilance in dynamic environments.