The phrase "alertness with which" is correct and usable in written English.
It can be used to describe the level of attentiveness or vigilance someone has in relation to a specific action or situation.
Example: "She approached the task with the alertness with which a hawk surveys its surroundings."
Alternatives: "vigilance with which" or "attentiveness with which".
She had seated herself, and had put away the little dog; her white hands, in her lap, were folded upon her black dress; her head was erect, her eye brilliant, her flexible figure turned itself lightly this way and that, in sympathy with the alertness with which she evidently caught impressions.
The implications of these results are discussed in relation to a newly developed mathematical model of the relationship between levels of alertness and the speed with which humans process visual information.
Two endogenous circadian rhythm patterns of alertness and sleepiness have been observed in the general population, in accordance with which people may be classified as being of a morning type (M-type) or an evening type (E-type) [ 34].
Joni Mitchell said, "The net with which you capture creativity is made up of the threads of your alertness".
Because joint/muscle pain in CFS is chronic, persons in our study may also be taking muscle relaxants for extended periods of time and may experience their side effects (e.g., drowsiness, confusion, reduced alertness), which overlap with some of the CFS symptoms and may perpetuate them (i.e., iatrogenic effects of these drugs).
This can be further separated into phasic alertness, which is task-specific, and intrinsic alertness, which refers to more general trait levels of arousal.
Thus, the present findings should not be taken to imply that increases in preparatory processing or mental alertness (which presumably would be associated with increased frontal activation [20], [45]) have no effect on RT.
You should notice quite a difference in alertness levels with this, which is a symptom that indicates other levels are performing at closer to optimal also.
These data [ 8] suggest that periods of delirium, with associated delusions, may predispose patients to PTSD whereas periods of alertness, which allow for the consolidation of factual memories, may protect patients from developing PTSD-related symptoms after discharge.
For example, the report said that when energy drinks are mixed with alcohol, people are more likely to become very intoxicated because the caffeine causes alertness, which can mask the symptoms of intoxication.
To test this hypothesis we measured selective attention (with visual search), vigilance (with Psychomotor Vigilance Task [PVT]) and alertness (with a visual analog scale) in a shift work simulation protocol, which included four day shifts followed by three night shifts.
