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. Author manuscript; available in PMC: 2014 Mar 6.
Published in final edited form as: Neuron. 2013 Mar 6;77(5):969–979. doi: 10.1016/j.neuron.2013.01.007

Table 3.

Incidence of Category and Saccade Selectivity across Task Epochs According to Two-Way ANOVA

Sample Early Delay Saccade Late Delay
Category only 39/53 (74%) 36/53 (68%) 10/53 (19%)  5/53 (9%)
Saccade only  0/53 (0%)  0/53 (0%) 12/53 (23%)  9/53 (17%)
Category and saccade  3/53 (6%)  1/53 (2%) 20/53 (38%) 37/53 (70%)
Nonselective 11/53 (21%) 16/53 (30%) 11/53 (21%)  2/53 (4%)
Category eta-squared (mean)  0.20 (max: 0.69)  0.16 (max: 0.50)  0.10 (max: 0.38)  0.14 (max: 0.59)
Saccade eta-equared (mean)  0.01 (max: 0.06)  0.01 (max: 0.04)  0.13 (max: 0.39)  0.20 (max: 0.78)

The numbers and percentages of neurons selective for category and saccade factors in each task epoch are shown. Significance was determined by a two-way ANOVA with category and saccade condition as factors (p < 0.01). Eta-squared values (which indicate the fraction of variability explained by each factor) were computed for each neuron. Mean eta-squared values across the population (excluding nonselective neurons in each epoch) are reported along with the maximum value (in parentheses) observed across neurons in each task epoch.