Daniel Bueno
Mirror neurons were first described in monkeys by researchers from the University of Parma, Italy, in 2004. “Neuroimaging techniques suggest that there are cells with the same characteristics in the brain of humans,” says Rehen. It is thought, however, that they are not the privilege of primates and may also be found among other animals, such as birds.
It has already been determined where they are to be found: in the pre-motor cortex and inferior parietal lobe of primates. But there are still doubts about the reach of their functions. Recent studies indicate that mirror neurons are linked to the observation and imitation of facial expressions and hand movements and that, at a later stage, to movements themselves. The study of the properties of these cells has helped scientists to understand the origin of certain neurological conditions. Autism, for example, might be caused by mirror neuron dysfunctions.
Stevens Rehen, Federal University of Rio de Janeiro (UFRJ)
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