Figure 10. Oscillations are correlated with small reductions in speed and pupil size. A, Example V1 L2/3 Vm, animal speed, and pupil size traces. Dotted horizontal lines indicate 3–5 Hz Vm oscillations. Periods where the pupil was detected to be dilating and constricting are marked in teal and purple, respectively. B, C, Left, Example histogram of speed and pupil size during (colored) and in the absence (gray) of 3–5 Hz Vm oscillations. Middle, The oscillation triggered mean speed and pupil size. Gray box represents oscillation onset and average duration. Right, The mean speed and pupil size before, during, and after an 3–5 Hz Vm oscillation. Speed was greater before and after oscillations (B, bottom, WSRT, Before vs Oscillation, p = 0.0001, Before vs After, p = 0.0011, Oscillation vs After, p = 0.0176). Pupil size was greater before oscillations (C, bottom, WSRT, Before vs Oscillation, p = 0.028, Before vs After, p = 0.79, Oscillation vs After, p = 0.34). The mean probability of evoking a 3–5 Hz Vm oscillation at locomotion onset (D) and (E) offset. The probability of evoking an oscillation was slightly dampened after oscillation onset (WSRT, p = 0.012). The mean probability of evoking an oscillation at dilation onset (F) and (G) constriction onset. The probability of evoking an oscillation was no different before and after dilation onset (n = 4, WSRT, p = 0.91) and constriction onset (n = 4, WSRT, p = 0.25). H, The mean periodogram of the Vm during 3–5 Hz Vm oscillation and the 1.5 s following constriction onset, and locomotion offset. I, Mean pupil size during visual cues while animals performed visual discrimination. J, The mean x and y movement of the pupil during visual cues while animals performed visual discrimination. Error bars and shading represent SEM. *p < 0.05.