framerate = 60 Hz, frames acquired = 30, minimum contrast = 35,minimum cell size = 5 pixels, cell size = 9 pixels, cell inten-sity = 110 pixels, progressive cells (VAP cut-off = 50 m/s,STR cut-off = 70%), slow cells (VAP cut-off = 30 /s and VSLcut-off = 15 /s).