It has been determined that primates have a very fast facial recognition mechanism in their brains. The study conducted on macaque monkeys also revealed how this is possible.
Scientists who continue their work within the US National Institutes of Health, primate They did a remarkable study. The study, conducted on two macaque monkeys, found that primates’ brains have a function that helps them identify faces. very fast mechanism revealed that it exists.
According to research conducted on humans, a familiar face entering the visual center 380 milliseconds can be defined in a period of time such as However, this situation is slightly different in other primates. According to the study, primates see faces that are not even in the visual center. only 40 milliseconds They can define it in a short time.
So how is this possible?
Scientists within the scope of research macaque monkeys They decided to measure brain frequencies. In this context; The animals were shown monkey faces, human faces, vegetables and fruits, and human-made objects. Brain activity over display After 30 milliseconds have passed He showed that he could tell whether what he saw was a face or not. The distinctions made are made in 50 milliseconds. 80 percent accuracy rate reached.
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This feature of primates is due to the “superior colliculusIt was made possible by a section called “. The superior colliculus, located between the early part of the visual cortex and the midbrain, is responsible for the processing of an image entering the visual field. even if it is not in the visual center made it possible to detect it. Researchers stated that this region works even faster than the head turning reflex.
Source :
https://www.sciencealert.com/scientists-discover-a-face-detection-circuit-in-the-brains-of-primates
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