Tick Tock Certain neurons in the striatum and prefrontal cortex fire at certain intervals, which MIT researchers have determined to be an internal clock time-stamping sensory experiences for memory just as a digital camera might time-stamp a photo file.
From Popular Science:
Though we do it without thinking, keeping track of time is integral to the brain's function, keeping our senses and our actions ordered in a chronology that we then recall in the form of memory. But important as it is, researchers have never understood the mechanism by which humans index the happenings of everyday life. Now, two macaque monkeys may have helped MIT researchers solve the time tracking puzzle.
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