Scientists revealed the secret of the evolution of the brain of animals and birds

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The group of international scientists from Spain, Sweden, Germany and other countries found that despite the general evolutionary origin, birds, mammals and reptiles have independently develop complex neural chains. This discovery challenges the idea that similar functions of the brain in these animal groups develop along a single path. The study was published scientifically magazine Science.

The team found that neurons responsible for sensory treatment in birds and mammals occur in different places and embryonic development times.

Using spatial transcription and mathematical modeling methods, experts found that they use different genetic tools to create their identities. This shows convergent evolution – independent development of similar functions in various evolutionary means.

Another group of researchers made a detailed ancestor of brain cell species and comparison with mammals and reptiles. It turned out that most exciting neurons in birds have developed uniquely and brake neurons have been preserved since ancient times. Only a few types of neurons, such as hippocampusta, appeared to be similar in different species.

The results emphasize the importance of examining the flexibility of evolutionary processes and the development of the brain.

Previously, scientists open A new memory type of neuron and recognition of images.

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