Corresponding(meeting) Conclusions Have Been Received American Researchers Besides

Corresponding(meeting) conclusions have been received American Researchers besides on rats. Weight of a brain of such rat, whose life was Thickness of its(his) bark is full of events, unexpectedness, active actions, and also Presence in a brain of the major enzymes appear much more significant, Than at those animals which conduct a quiet, measured life. Researchers have put a series of experiences. Have taken three groups of rats and have placed them In various conditions. The first have placed in the silent room isolated from Smells and sounds. The second-in a room with a restless environment, where Various sounds were distributed, smells were replaced, from time to time arose not Subjects known earlier to rats. The third group has been placed in conditions, Reminding prison, that is rats-prisoners have been concluded on the single in To cell(cage), they have been limited in active action. Experiment proceeded Month. At the rats lived in complex(difficult) conditions, in conditions of freedom fraught Dangers, the weight of a brain has appeared the greatest.