Movie S12.

Non-mutual CIL of parallel-parallel cell pairs on suspended fibers (500 nm diameter). Two parallel cells on suspended fibers approach each other followed by one of the cells (black arrow) repolarizing. Subsequently both cells move together as a train for at least one cell length resulting in non-mutual CIL. Time shown in movie 11 in hours:minutes:seconds:thousandths and in 12: hours:minutes