Publication: Neural Systems Under Change of Scale
Neural Systems Under Change of Scale
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Fagerholm, E. D., Foulkes, W. M. C., Gallero-Salas, Y., Helmchen, F., Friston, K. J., Leech, R., & Moran, R. J. (2021). Neural Systems Under Change of Scale. Frontiers in Computational Neuroscience, 15, 643148. https://doi.org/10.3389/fncom.2021.643148
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We derive a theoretical construct that allows for the characterisation of both scalable and scale free systems within the dynamic causal modelling (DCM) framework. We define a dynamical system to be "scalable" if the same equation of motion continues to apply as the system changes in size. As an example of such a system, we simulate planetary orbits varying in size and show that our proposed methodology can be used to recover Kepler's third law from the timeseries. In contrast, a "scale free" system is one in which there is no charact
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- Fagerholm, Erik D
- Foulkes, W M C
- Gallero-Salas, Yasir
- Helmchen, Fritjof
- Friston, Karl J
- Leech, Robert
- Moran, Rosalyn J
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Fagerholm, E. D., Foulkes, W. M. C., Gallero-Salas, Y., Helmchen, F., Friston, K. J., Leech, R., & Moran, R. J. (2021). Neural Systems Under Change of Scale. Frontiers in Computational Neuroscience, 15, 643148. https://doi.org/10.3389/fncom.2021.643148
