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Victor, J.D., Mechler, F., Repucci, M.A., Purpura, K.P., and Sharpee, T. (2006) Responses of V1 neurons to two-dimensional Hermite functions. J. Neurophysiol. 95, 375-400.
As a result of a normalization error, the values of the filters L (but not E) plotted in Figures 3, 5, and 6 are twice as large as they should be. Consequently, cells described as “under-rectified” (Figure 3A, 3B, 5A, 5B, 6A) should have been described as “half-wave rectifying”, consistent with the illustrated post-stimulus histograms.
Correction of this error shifts values of the index Isym (quoted in the text and plotted on the abscissa of Figure 11) towards 1, i.e., the “complex” end of the simple vs. complex spectrum. The correct value of the index and the published value are related by
Correction of this error also alters the values of Ic-p by decreasing the weighting of contributions from the L-component, but these changes are slight (Figure 9).
The error does not affect the index Ishape, which quantifies the difference between the responses to Cartesian and polar stimuli, and thus does not alter any of the conclusions of the paper.