Fig. 6: Temporal patterns predict texture perception.

A The correlation between the temporal spiking patterns evoked by texture pairs in PC-like neurons is negatively correlated with perceived dissimilarity of those same texture pairs. Each point represents the mean value for one pair of textures. Z-scored timing correlation represents the max cross-correlation of a pair of textures, z-scored across all texture pairs for a given cell, and averaged across all PC-like cortical cells. B Mean squared error (MSE) of the prediction of perceived dissimilarity derived from a linear combination of rate and timing differences of increasing-size populations of SA1-like, PC-like, and RA-like cells. Red and teal lines indicates a three-factor model that includes either rate (red) or timing (teal) with each factor in the model derived from the mean across subpopulations of each submodality type (PC-like, RA-like, and SA1-like). The black line indicates a six-factor model including rate and timing from PC-like, SA1-like, and RA-like subpopulations. C Accuracy of the complete model (average n = 10 population response) in predicting perceived dissimilarity. Each circle represents one texture pair (78 unique pairs, rated by 10 human subjects).