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. Author manuscript; available in PMC: 2016 Jun 3.
Published in final edited form as: Neuron. 2015 Jun 3;86(5):1182–1188. doi: 10.1016/j.neuron.2015.05.007

Figure 3. Neuronal Modulations in V4 Correspond to Changes in Sensitivity but not Criterion.

Figure 3

Data are from the same sessions in Figure 3D–E and Table 1. (A) Peristimulus histograms showing the population response to the sample stimuli. Histograms used 1-ms bins and were smoothed with a Gaussian filter (σ = 5 ms). Responses were modulated by changes in sensitivity but not in criterion. (B) Noise correlations between pairs of simultaneously recorded neurons binned by the geometric mean of their evoked responses. Noise correlations were reduced when behavioral sensitivity increased, but were unaffected by shifts in criterion. The y-axis scaling differs for monkeys F and L.