As a result, for example, the brain of a rat with 86 billion neurons (as at the person) would weigh 35 kg.

Regarding dolphins following can be noted.

The brain of dolphins is developing about 47 million years. The ratio of its weight to the size of the body corresponds only to similar ratio at the person.

Reasonableness dolphins reaches a high degree, as evidenced by the possession of language with the dictionary volume 1012, and the number of signals produced by them in the normal mode is about 14 thousand: it is the same amount as at people in everyday life. The signal of a dolphin carries more meaning than the separate word.

Конец ознакомительного фрагмента.