We administered a 10-min vigilance task to maintain a consistent level of alertness across subjects before introduction of the psychological stressor (Jennings et al. 1992).
I find it a once in a lifetime opportunity to show I am an exceptional umpire with consistent calls with 20/20 vision, alertness and keen anticipation on every playing call.
But because histamine neurons communicate with neurons in other areas of the brain that regulate wakefulness, the researchers say their findings are consistent with an important role in maintaining mental alertness, they report in the 27 May issue of Neuron.
In comparison, lead-exposed children demonstrate impaired cognitive flexibility, vigilance, and alertness, as well as less consistent deficits in working memory and planning, but only limited effects on response inhibition.
Results: FNZ led to psychomotor impairments and decreased alertness and attention; these effects were consistent with previous findings.
In accordance with the dose response function for circadian resetting and melatonin suppression, the responses of all three indices of alertness to variations in illuminance were consistent with a logistic dose response curve.
Furthermore, the beneficial effect of caffeine under states of reduced alertness is proved to be quite consistent and the ability of caffeine to increases or sustain attention may be important for patients undergoing dialysis treatment [ 35, 36].
Attention revolves around alertness (the ability to become alert and focus on a task) and vigilance (sustained alertness).
Inclusion criteria for AEP cases were signs of digital extensor dysfunction in the pelvic limbs with consistent repeated knuckling, and otherwise normal behaviour, appetite and alertness at clinical examination.
Similar but somewhat less consistent meta-analytic findings have been reported for impairments in alertness, cognitive flexibility, and planning.
