Time-keeping brain neurons discovered "The key finding is that neurons in the prefrontal cortex and the striatum encode the time information associated with sensory cues," Jin explained. "Visual cues, for example, elicit a variety of responses in a particular population of neurons. We found that the brain is able to tell the passage of time from the visual cues because different neurons are active at different times. Most remarkably we found that there are neurons that are active at precise times after a particular visual cue, and these neurons act like clocks that mark time."
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"Another key finding of our work is that the brains of the monkeys constructed neural activities to encode time even though timing was not required for the experimental task," Jin said. "We suggest that time encoding is the essential function of the brain's neural networks."
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