FreezeFrame 4: supports optogenetics, electrophysiology, stimulation and perfusion

FreezeFrame 4 now supports optogenetics, electrophysiology, stimulation and perfusion:

A new algorithm screens out motion of the cable or fiber optic that can occur even when the animal is perfectly still.

The FreezeFrame USB interface can now generate pulsing stimuli as short as 1 ms at rates of up to 500/sec.