Unlike animal brains, human brains can transmit information through multiple parallel routes. A Swiss research team has now been able to demonstrate this by comparing humans with mice and monkeys.
“Such parallel processing in human brains has been suspected, but has never been observed before at the level of the whole brain,” study leader Alessandra Griffa said in a statement from the Swiss Federal Institute of Technology in Lausanne (EPFL).
A team from EPFL and the Vaud University Hospital in Lausanne created a kind of road map of the brains of humans, mice and macaque monkeys and the results were published in the journal “Nature Communications”.
“The novelty of our study is the use of multimodal data in a single model that combines two branches of mathematics: graph theory, which describes polysynaptic ‘road maps’, and information theory, which maps the transfer of information across roads,” explains Griffa out. .
Identify people based on their brain map
The researchers’ approach showed that in the brains of mice and macaques, information was sent along a single ‘path’, while in humans there were multiple parallel paths between the same source and destination. The pattern of these parallel pathways was also so unique that the researchers were able to identify people based on their brain map.
According to the researchers, the finding could provide further insights into evolution. According to the experts, different communication patterns can be linked to the evolution of brain networks in mammals. The researchers speculate that these parallel information flows may support the ability to perform abstract functions specific to humans.
According to the university, in future studies they also want to use their approach to find out whether there is a link between these parallel pathways in the human brain and the mental decline of certain people as they age.
Source: Krone
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