Reference frame. The establishment of a universal frame of reference is often key in the development and standardization of geometric descriptor of structure 7. In our protocol, the orientation of two ...

Plotting three Euler angles using an RGB color scheme is the best way of generating an orientation map, which is normally referred to as a Euler map (Figure 1). Figure 1. Euler angle coloring ...

Navigation requires a sense of direction (‘compass’), which in mammals is thought to be provided by head-direction cells, neurons that discharge when the animal’s head points to a specific azimuth.