Monkeys keep the beat without outside help
Nerve cells in the brain may regulate internal time-keeping
By Laura Sanders, 15:41 PM October 31, 2012
Devoid of any external time cues, monkeys can still tell time. Animals learned to move their eyeballs once every second, a completely internal timing feat made possible by the rhythmic behavior of small groups of nerve cells, researchers propose online October 30 in PLOS Biology.
Time is often measured with clues from the environment, says study coauthor Geoffrey Ghose of the University of Minnesota in Minneapolis. A quick glance at a clock indicates that your meeting will start soon, a...
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