Evidence for Functional Groupings of Vibrissae across the Rodent Mystacial Pad
Fig 2
A. Distance, yaw, and pitch are defined for the head. Following the convention of Towal et al. (2011), a head pitch of ϕhead = 0° was defined as the angle at which the whisker rows are parallel to the ground. In this orientation the rat’s head is tilted slightly upward [7]. B. In simulation, the pitch of the head was varied from ϕhead = -90° to ϕhead = +90°. The top row shows these orientations relative to a vertical wall. The bottom row shows the same head pitches relative to the ground (an offset of -90°).