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. 2020 Jun 4;24(1):54–63. doi: 10.1093/ijnp/pyaa040

Table 1.

Average Number of Active/Inactive Lever Responses and Pellets Earned During 2-Hour FR Training Sessions Prior to Testing

Food pellet FR Sex Active Lever Inactive Lever Pellets
HFP 1 M 275 (58) 15 (6) 215 (42)
F 195 (40) 29 (10) 121 (22)
3 M 429 (76) 18 (4) 134 (24)
F 442 (104) 15 (6) 121 (28)
10 M 627 (122) 15 (3) 61 (12)
F 731 (141) 19 (8) 70 (13)
32 M 567 (155) 16 (3) 17 (5)
F 785 (236) 12 (5) 32 (10)
100 M 395 (136) 17 (3) 3 (1)
F 508 (286) 8 (4) 5 (3)
LFP 1 M 213 (40) 14 (3) 159 (28)
F 101 (10) 26 (4) 81 (6)
3 M 362 (53) 16 (7) 113 (17)
F 262 (28) 27 (8) 78 (8)
10 M 1056 (137) 23 (9) 104 (13)
F 488 (76) 14 (3) 47 (7)
32 M 985 (199) 34 (16) 30 (6)
F 571 (115) 15 (3) 17 (4)
100 M 676 (165) 24 (8) 6 (1)
F 276 (103) 16 (4) 2 (1)

Abbreviations: FR, fixed ratio; HFP, high-fat palatable reward; LFP, low-fat palatable reward.

Values are n (SEM).