The phrase "attention drop" is correct and usable in written English.
It can be used to describe a decrease in focus or concentration, often in contexts related to psychology, education, or marketing.
Example: "During the presentation, there was a noticeable attention drop among the audience after the first 15 minutes."
Alternatives: "loss of focus" or "decline in attention".
One is likely to remain unaware of it unless it stops (meaning that established expectations are violated) or unless other demands upon attention drop to the point where the person has sufficient spare focal capacity to become at least partially aware of the sound.
My own inclination is to try to avoid tribulation, flee or repress suffering, reorient my attention, drop off into a trance that fixes on pleasure.
So whether one boy is texting you all the time and bending over backwards for you or a dozen are trying to get your attention, drop little hints.
Conversely, whenever the fantastical looms, however splendid, my attention drops.
The attention dropped away, and the concern, and they were left to their own devices.
For example, congressional attention dropped markedly during Alan Greenspan's Great Moderation starting in the 1980s, when the Fed tended to achieve its mandates.
Mr. Donovan, who was using the nicotine patch, drifted in and out of attention, dropping hints of problems with "anger management"; Mr. Houser chattered and chomped at successive squares of nicotine gum.
Every year, automakers go to great lengths to win the public and media's attention, dropping vehicles from ceilings or herding cattle through the streets of the Motor City.
It's really great?" My attention dropped and my mind started to drift.
The lessons learned stated earlier seem to say that attention drops after 3 days, not 2 days.
With no American baseball presence in Greece, attention could drop so drastically that the International Olympic Committee might drop the sport before the 2008 Summer Games in Beijing.
