40 trials on tmaze.
20 first trials is 30 s delay
20 last trial is 60 s delay
10 sham. 10 stim. 10 sham. 10 stim.
Closed-loop with 1V stim (about 15mA current to LED) and 200 ms pulses
3 diodes on shank 2 and 2 diodes on shank 1.