Neural fields, spectral responses and lateral connections
2011

Neural Fields and Spectral Responses

publication Evidence: moderate

Author Information

Author(s): Pinotsis D.A., Friston K.J.

Primary Institution: The Wellcome Trust Centre for Neuroimaging, University College London

Hypothesis

How do different connectivity architectures and synaptic gains affect spatiotemporal dynamics in neural fields?

Conclusion

The study finds that only synaptic gain can produce phase transitions, while the spatial deployment and speed of lateral connections significantly affect spatial modes.

Supporting Evidence

  • The study characterizes the effect of different connectivity architectures on brain activity.
  • It models spectral responses to random fluctuations in neural activity.
  • Only synaptic gain is capable of producing phase transitions in neural dynamics.

Takeaway

This study looks at how brain connections affect brain activity patterns. It shows that the strength of connections is really important for how these patterns change.

Methodology

The study uses neural field models to analyze the effects of connectivity architectures and synaptic gains on spectral responses to random fluctuations.

Digital Object Identifier (DOI)

10.1016/j.neuroimage.2010.11.081

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