Non-technical summaryPeriodic signals are abundant in the sensory environment. Processing of rhythmic signals associated with animal communication and locomotion may be important for the animal's survival. Using electrophysiological recording from rat visual cortex, we found that periodic visual signals can influence neural activity over a larger distance in the cortex than non-periodic signals. Parallel human psychophysical experiments on the perception of local stimulus brightness also showed similar modulation by distant periodic visual signals.
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