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. 2015 Sep 30;35(39):13323–13335. doi: 10.1523/JNEUROSCI.2278-15.2015

Figure 4.

Figure 4.

Screening for the most effective optical stimulation frequencies for decreasing exploration of novel images and increasing exploration of familiar images. a, The 10 and 15 Hz frequency stimulation were effective for decreasing exploration of novelty. In each trial, both images were novel and identical; one was not paired with optical stimulation (NS) and the other was paired with stimulation (5–60 Hz). DR = (NS − Stim)/(NS + Stim) such that a positive DR indicates an effective frequency. b, The 30 and 40 Hz frequency stimulation were effective for increasing exploration of familiar images. Both images used were familiar; one was paired with 10 Hz to ensure baseline familiarity and the other was paired with a range of stimulation frequencies (20–60 Hz). DR = (Stim − 10 Hz)/(Stim + 10 Hz) such that a positive DR indicated an effective frequency. Data are means ± SEM. #p < 0.05, one-tailed Student's t test (n = 4).