edge3_none

edge3_none#

edge3_none stimulus example
stimupy.papers.schmittwilken2024.edge3_none(ppd=PPD, contrastID=4)#

Horizontal Cornsweet edge (3 cpd) without noise.

Parameters:

  • ppd (float, optional) – Pixels per degree, used for setting the visual size, by default 44.

  • contrastID (int, optional) – Index to select the RMS contrast of the edge from a predefined set, by default 4 (maximum contrast).

Returns:

Dictionary with the stimulus (key: “img”) and additional keys containing stimulus parameters and experimental data.

Return type:

dict

References

Schmittwilken, L., Wichmann, F. A., & Maertens, M. (2024).

Standard models of spatial vision mispredict edge sensitivity at low spatial frequencies. Vision Research, 222, 108450. https://doi.org/10.1016/j.visres.2024.108450

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