In old age the circadian rhythms and its performance at different times of the day change, say experts from the Medical school of the University of Pittsburgh. They tried to explain what these changes involve.
Anyone who has ever watched older people say that with age, most people have the habit to Wake up early and start doing things. The researchers found: it is in the morning for pensioners the rise of intellectual ability and General activity, and it is related to changes of circadian rhythms.
Researchers scanned the brain of 146 volunteers found 235 series of genes responsible for the biological clock of people. As it turned out, with age of genes fails. There are other patterns in DNA that determine the change in daily rhythms. Received information, experts say, will help in the very near future to deal with the problems of senile insomnia and other disorders of the nervous system.