Images

Phosphene Excitation Patterns

Geometric hallucinations or flicker phosphenes arising from bifurcating patterns in cortical (left) and retinal (right) coordinates. Upper cells correspond to patterns arising from distant dependent connections, lower panels to distance and orientation dependent connections.

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Notes and References

[1] Bressloff, Cowan, Golubitsky, Thomas, Wiener, 'What Geometric Visual Hallucinations Tell Us about the Visual Cortex'. Neural Computation 14 (2002) 473–491.

[2] Ermentrout, Cowen, 'A mathematical theory of visual hallucination patterns'. Biological Cybernetics 34-3 (1979) 137-150.

[3] Gutkin, Pinto, Ermentrout, 'Mathematical Neuroscience: From Neurons to Circuits to Systems'. Journal of Physiology - Paris 97 (2003) 209–219.

Keywords: bifurcating patterns, phosphenes, perception, hallucination