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. 2015 Jan 12;112(4):1190–1195. doi: 10.1073/pnas.1416573112

Fig. 2.

Fig. 2.

Neuronal activity in the mouse IC. (A) Population peristimulus time histogram (PSTH) of IC neurons significantly changing their firing in response to the cue (Left), to food delivery (Middle), and to food consumption (Right). Activity is aligned to cue onset (time 0). Solid lines represent excitatory modulations, and dashed lines represent inhibitory modulations. Dark gray-shaded areas indicate SEM. Light gray-shaded areas indicate the cue period (Left), the pellet-dropping period (Middle), and the 5-s period after cue offset (Right), when food pellet is consumed by the animal. The x axis represents time, and the y axis represents normalized firing activity. (B) Representative example of excitatory (Left) and inhibitory (Right) modulations during the cue period. A raster plot and PSTH are shown. Time 0 is the cue onset. Light gray-shaded areas indicate the cue period. The x axis represents time, and the y axis represents firing rates (FR). (C) Comparison of MI during the cue period for neurons with excitatory responses (CueE; solid lines, n = 16), inhibitory responses (CueI; dashed lines, n = 23), and not significantly modulated (NonCue; empty, n = 71). Bars indicate SEM.