Gamma waves (greater than 40 hertz) have the highest frequency and are involved in higher mental acuity, including perception and consciousness.
I don't deny the differences in style and substance between athletic and conventional scholarly performance, but we surely err in regarding sports as a domain of brutish intuition (dignified, at best, with some politically correct euphemism like "bodily intelligence") and literature as the rarefied realm of our highest mental acuity.
Often, the signals are subtler, and interpretation demands a high degree of mental acuity.
And as I argued in my Op-Ed article in 1992, the military's high standards for mental acuity and physical fitness should not be diminished to integrate women into combat units.
To test mental acuity at high altitude, a physician back at base camp periodically asks climbers to repeat sentences verbatim.
21, she regaled reporters with quips about her secret of longevity -- the list changed every year and included laughter, activity and "a stomach like an ostrich's". Her most memorable explanation was that "God must have forgotten me". Despite her faltering physical condition, Calment continued to show impressive mental acuity and high spirits.
There are certainly significant social, psychological and cognitive benefits to being bilingual: higher test scores, better problem solving skills, sharper mental acuity and greater empathy.
Patients also take a fistful of medications every day to help their tissues absorb the scant amount of these minerals their bodies can manage and to stave off the collateral damage of kidney failure such as heart disease, anemia, high blood pressure, osteoporosis, severe joint pain and loss of mental acuity.
As the U.S. population ages, there is growing concern about the loss of mental acuity that is common through aging and associated with high financial cost [ 1], loss of independence [ 2] and mortality [ 3– 5].
Yet the equation changes when it comes to young people who are at very high risk of developing the disorder, because they are showing early signs — a sudden slippage in mental acuity and memory, or even internal "voices" that seem oddly real.
Physical strength declines; mental acuity diminishes.
