The discovery explains why people are more susceptible to neurological diseases than other species

Large brain-sized animals, such as humans, will be more susceptible to mental illnesses because nerve signals travel longer distances than those with small brains. This is the conclusion in the study published by a group of scientists from many different countries, contributing to a better understanding of the nature of the brain, providing more knowledge to support many neurological diseases. , psychology in the future.

To put it this way, the above conclusion suggests that when the brain size is large, nerve signals will travel longer distances between limited nerve connections, thereby increasing the likelihood of deflection, born bugs on the way. The lead researcher, Professor Henry Kennedy at Claude Bernard Lyon 1 University in France, said: "One of our speculations is the light weight trait , the long link in the human brain can be increased. sensitive to dissociation syndrome which is the origin of Alzheimer's disease and schizophrenia ".

Large brain size is prone to neuropathy because nerve signals move longer distances than those with small brains.

This research has provided more insight into the human brain, explaining why many mental illnesses are common in humans instead of mice. At the same time, it also reinforces the previously proposed hypothesis about the principle of neuronal organization in the brain regardless of its size ( EDR ). In fact, the new hypothesis is formed based on the neural cortical network of models based on the distance principle proposed by researchers in 2013.

Basically, the study has combined previous data on monkeys with the hypothesis of a high-end neural network to form a prediction that the brain contains far fewer nerve connections than short range. This means that the closer the area is to the cortex, the more neurons are connected and vice versa, the farther away the two regions are, the less the number of connections. This time, the team with scientists from many parts of the world applied this model to the brain rat which is much smaller in size than a monkey.

The analytical results show that the long and short neurological allocation rules remain the same as the conclusions in 2013, showing that the brains in most mammals, despite their different sizes but EDR models still true. " The analytical results show that EDR plays an important role for all mammals, explaining why large-sized brains still work effectively," the team said. although there are few long-range links, on the other hand it also shows that the human brain - which is five times larger than the monkey's brain - will have relatively weak long-range connections.

This research gives scientists the opportunity to answer questions about the brain.

But weakness in long-range connections on the human brain can cause dissociation syndrome, the source of diseases such as schizophrenia or Alzheimer's. In fact, although scientists have always come up with new discoveries about the brain, most recently discovered 97 new regions on the cortex, but the brain remains one of the most mysterious bodies on. Human body with many mechanisms has not been clearly defined. This research, although still new to the hypothesis, has provided a new direction, enabling scientists to have more opportunities to answer questions about the brain, thereby giving More effective treatment in the near future.