FIGURE

Figure 5.

ID

ZDB-FIG-230511-21

Publication

Wolf et al., 2023 - Emergence of time persistence in a data-driven neural network model

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Figure 5.

Modified Ising model captures the behavior of anterior rhombencephalic turning region (ARTR) under visual stimulation.

(A) Scheme of the stimulation protocol. The left and right eyes are stimulated alternatively for periods of 15–30 s, after which a period of spontaneous (no stimulus) activity is acquired. (B) Example of the ARTR activity signals under alternated left–right visual stimulation. The small arrows indicate the direction of the stimulus. (C) Sketch of the modified Ising model, with additional biases 𝛿ℎ𝑖 $δ h_{i}$ to account for the local visual inputs. (D) Values of the additional biases averaged over the ipsilateral and contralateral (with respect to the illuminated eye) neural populations. n = 6 fish. (E) Monte Carlo activity traces generated with the modified Ising model. (F) Free-energy landscapes computed with the mean-field theory during spontaneous (left panel) and stimulated (right panel) activity for an example fish. (G) Free-energy along the optimal path as a function of 𝑚𝐿−𝑚𝑅 $m_{L} - m_{R}$ during spontaneous (plain line) and stimulated (dotted line) activity. The model is the same as in panel (F).

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Acknowledgments

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