Studies dating back to the 1980's have found that brisk physical activity increases attention span and reduces repetitive behaviors.

Kirk immersed himself in the brisk activity around him, and the fifteen minutes passed quickly.

Eisner exclaimed when, descending from the hills, we beheld the brisk activity for the first time.

Ms. Immer has seen brisk activity in wines priced at $250 to $300.

Behind them, sounds of brisk, organized activity replaced what had verged, only moments before, on outright panic.

If of victory you dream, there will be brisk activity along business lines, and domesticity will be harmonious.

There was brisk activity up there--rock being cast down on top of rock, methodically but swiftly.

But while the Northeast and West posted small declines, both regions had brisk activity in preceding months.

By dawn, there was little evidence of the mayhem except for some broken glass and brisk activity at the county morgue.

There was brisk activity going on all around her, and she moved through it quietly and efficiently.