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. 2014 Apr 2;34(14):4976–4990. doi: 10.1523/JNEUROSCI.4116-13.2014

Figure 7.

Figure 7.

Examples for interaction between blue light stimulation and visual stimulation when parameters of the visual stimulus are varied. A–C, The effect of blue light stimulation on length tuning properties for an example layer 2/3 single-unit recording. A, Length tuning curves obtained with (blue line) and without (red line) simultaneous blue light stimulation. Visual stimulus contrast = 10% (means with SEM throughout). B, Same as in A, but for visual stimulus contrast = 30%. C, Same as in A and B, but visual stimulus contrast = 70%. D–F, The effect of blue light stimulation on length tuning properties for another example layer 2/3 single-unit recording. D, Visual stimulus contrast = 10%. E, Visual stimulus contrast = 30%. F, Visual stimulus contrast = 70%. G–I, The effect of blue light stimulation on length tuning properties for an example of multi-unit recording, the recording site is the same as in D–F. G, Length tuning curves obtained with (blue line) and without (red line) simultaneous blue light stimulation. Dashed black line indicates the predicted responses to combined visual and optogenetic stimulation if responses added linearly. Visual stimulus contrast = 10%. H, As in G, visual stimulus contrast = 30%. I, As in G and H, visual stimulus contrast = 70%.