Living brain slice of rat prefrontal cortex placed on a 8x8 multi-electrode array.
Stimulation of two brain receptors crucial for cognitive functioning induces neuronal avalanches in the upper layers of cortex (left half of the array).
Diameter and color of the circles indicate activity of the local nerve cell population.
Movie is slowed down by a factor of 20 (20 s in the movie equal 1 s in real time).
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