WE_howe

WE_howe#

WE_howe stimulus example
stimupy.papers.RHS2007.WE_howe(ppd=PPD, pad=True)#

Howe variation of White stimulus as shown in Robinson, Hammon, & de Sa (2007) Fig 1e. Grating size: 16x16 deg Grating frequency: 0.5 cpd Target size: 3.2x1 deg

Parameters:

  • ppd (int) – Resolution of stimulus in pixels per degree. (default: 32)

  • pad (bool) – If True, include padding to 32x32 deg (default: True)

Returns:

dict with the stimulus (key: “img”) and target mask (key: “target_mask”) and additional keys containing stimulus parameters

Return type:

dict of str

References

Blakeslee, B., Pasieka, W., & McCourt, M. E. (2005).

Oriented multiscale spatial filtering and contrast normalization: a parsimonious model of brightness induction in a continuum of stimuli including White, Howe and simultaneous brightness contrast. Vision Research, 45, 607-615.

Howe, P. D. L. (2001).

A comment on the Anderson (1997), the Todorovic (1997), and the Ross and Pessoa (2000) explanations of White’s effect. Perception, 30, 1023-1026

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