197264.fig.001a
(a)
197264.fig.001b
(b)
197264.fig.001c
(c)
197264.fig.001d
(d)
Figure 1: Schematics of stimuli and experimental apparatus. The stimuli presented were white-noise bursts and/or flashes of a single light source that lasted a total of 2000 msec (a), which were presented from the monitor and/or speakers at the centre (b), left (c), or right (d) side of the animals sensory space.