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The firing patterns of place cells repeat about eight times per second in rats, forming what is called the theta rhythm.

Using high-density sampling of LFP and computational methods, we show that the spatiotemporal structure of the theta rhythm can encode position as robustly as neuronal spiking populations.

When MEC neurons fire in grid patterns, the local network activity is dominated by the theta rhythm.

The researchers believe the benefit stemmed from resetting the brain’s theta rhythm, altering the way large groups of cells involved in memory function work.