p350fig09.23 Unidirectional transient cells respond to changes in all image contours as an auto navigates and urban scene while taking a video of it.<BR>||  Unidirectional transient cells (Baloch, Grossberg 1997; Berzhanskaya, Grossberg, Mingolia 2007).  Transient cells respond to leading and trailing boundaries. Transient cells response, driving video