New research shows the connected nature of the human brain.

Researchers from the University of Southern California recently found that brain regions were connected through feedback loops and not top-down command structures. The research counters the assumption of neurology that the brain is hierarchical. In order to reach this conclusion, the researchers used tracing technology on the brain tissue, which revealed the relationships between different parts of the brain’s circuitry. Specifically, the research focused on the relationship between neurocenters associated with appetite, depression and anxiety. Researchers believe that this technique could help reveal an entire map of the nervous system.

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