After three-month-old sayuri watches her father stick out his tongue, she sticks out her own tongue too. it is likely that neurons are involved in sayuri's learning and imitation of this behavior.

The answer is Mirror. It is probable that mirror neurons are intricate in Sayuri's learning and imitation of this behavior. A mirror neuron or as called as the cubelli neuron is defined as a neuron that fires both when a person acts and when a person perceives the same action accomplished by another. Therefore, the neuron mirrors the behavior of the other as though the observer were the aforementioned actions.