Table 1.

Progressive ratio operant testing results from ghrelin receptor knockdown (Ghsr AAV) and control rats. On days 3 and 7 the rats were fed ad libitum. On day 14 the rats were food restricted overnight. n=12.

DAY POST AAV INFUSIONS	MEASURED PARAMETER	CONTROL	Ghsr AAV	SIGNIFICANCE
DAY 3	REWARDS EARNED	7.2±0.5	6.7±1.1	P=0.7; NS
	ACTIVE LEVER	85.8±14.3	106.7±33.4	P=0.6; NS
	FOOD SEEKING	88.3±14.5	106.6±24.7	P=0.5; NS
	LOCOMOTOR ACTIVITY	1384.3±155.9	1309.8±109.2	P=0.7; NS
DAY 7	REWARDS EARNED	8.3±0.7	8.0±0.7	P=0.8; NS
	ACTIVE LEVER	134.2±23.0	116.3±21.1	P=0.6; NS
	FOOD SEEKING	114.3±15.4	122.8±18.1	P=0.7; NS
	LOCOMOTOR ACTIVITY	1098.0±131.3	891.3±137.5	P=0.3; NS
DAY 14	REWARDS EARNED	9.6±0.4	9.3±0.9	P=0.8; NS
	ACTIVE LEVER	173.0±21.0	187.0±34.0	P=0.7; NS
	FOOD SEEKING	154.6±15.9	161.3±22.8	P=0.8; NS
	LOCOMOTOR ACTIVITY	1090.8±107.9	1135.6±124.1	P=0.8; NS