# days	Task	Group I Age: 9.1 (8.2–10.3)	Group II Age: 9.4 (8.0–11.2)	Group III Age: 9.2 (7.8–11.1)
Baseline	15	DNMP	N=4M/6F placebo	N=2M/8F placebo	N=3M/7F placebo
14 day Wash-in
Single Supplement Phase	129	Landmark	N=4M/6F placebo	N=2M/8F 11mg/kg LA	N=3M/7F 27.5mg/kg ALCAR
14 day Wash-in
Combined Supplement Phase	79	Black/white Discrimination & Reversal	N=4M/6F placebo	N=2M/8F 11mg/kg LA +27.5mg/kg ALCAR	N=3M/7F 27.5mg/kg ALCAR +11mg/kg LA
14 day Wash-out
Wash-out Phase	50	Size Discrimination & Reversal	N=4M/6F placebo	N=2M/8F placebo	N=2M/7F placebo