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. Author manuscript; available in PMC: 2016 May 6.
Published in final edited form as: Brain Res. 2014 Dec 3;1599:44–56. doi: 10.1016/j.brainres.2014.11.044

Figure 6.

Figure 6

Comparison of IC responses between optical and acoustic stimulation in a ChR2+ mouse (KND 21). A) Activation maps in response to 1 ms duration blue light pulses presented at a rate of 5 Hz (80 presentations). Top: Average firing rate and bottom: SI both show broad activation with thresholds in the 10 to 20 dB re: 1W/cm2 range. B) Activation maps in response to 0.1 ms duration acoustic clicks presented at a rate of 23 Hz (80 presentations) for sound levels ranging from 0 to 80 dB SPL. Top: Average firing rate and bottom: SI. Both measures show broad activation with thresholds in the 40 to 60 dB SPL range.