Noise during Rest Enables the Exploration of the Brain's Dynamic Repertoire
Author Information
Author(s): Ghosh Anandamohan, Rho Y., McIntosh A. R., Kötter R., Jirsa V. K.
Primary Institution: Institut des Sciences du Mouvement, Marseille, France
Hypothesis
The study investigates how noise and time delays in brain connectivity contribute to the emergence of coherent fluctuations in resting state networks.
Conclusion
The study concludes that the space-time structure of brain connectivity, influenced by noise and time delays, is crucial for the brain's dynamic repertoire during rest.
Supporting Evidence
- The study shows that coherent fluctuations in resting state networks emerge from a stability analysis of network dynamics.
- Noise and time delays are essential for the emergence of these fluctuations.
- The results provide a testable explanation for the phenomenon of resting state fluctuations in the primate brain.
Takeaway
When our brains are at rest, they still have activity that helps them explore different ways of functioning, and this is influenced by noise and how quickly signals travel between brain areas.
Methodology
The study used a computational model based on biologically realistic primate brain connectivity to simulate network dynamics and analyze the effects of noise and time delays.
Limitations
The study's findings are based on simulations and may not fully capture the complexities of real brain dynamics.
Digital Object Identifier (DOI)
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