Table 1. Licking Microstructure for 0.12 M NaCl Solution before and after i.p. LiCl in PBNsham and PBNx Rats.
| Lesion group |
PBNsham |
PBNx |
ANOVA |
||||||
|---|---|---|---|---|---|---|---|---|---|
| Test day | Day 1 | Day 2 | Day 3 | Day 1 | Day 2 | Day 3 | Group | Day | Interaction |
| Measure | Mean (±SE) | Mean (±SE) | Mean (±SE) | Mean (±SE) | Mean (±SE) | Mean (±SE) | F(1, 30) (p) | F(2, 60) (p) | F(2, 60) (p) |
| Intake (ml) | 17.61 (1.23) | 5.85* (0.86) | 20.07 (1.76) | 28.87 (3.09) | 21.25 (2.99) | 26.11 (2.06) | 26.81 (0.001) | 26.91 (0.001) | 4.80 (0.012) |
| Meal duration (min) | 25.98 (0.49) | 21.67* (1.39) | 26.78 (0.60) | 26.11 (1.27) | 23.64 (1.70) | 25.39 (1.61) | <1 (NS) | 7.62 (0.001) | 1.51 (0.23) |
| Mean burst size (licks/burst) | 106.77 (9.74) | 31.99* (6.51) | 113.97 (13.85) | 90.89 (11.01) | 83.93 (6.30) | 96.44 (12.44) | <1 (NS) | 15.14 (0.001) | 8.99 (0.001) |
| First min lick rate | 238.46 (31.73) | 48.21* (11.78) | 318.43 (18.79) | 146.55 (27.03) | 167.00 (24.49) | 270.00 23.90 | <1 (NS) | 36.61 (0.001) | 13.10 (0.001) |
| Number of bursts | 31.55 (2.44) | 45.40* (3.59) | 37.89 (3.52) | 53.00 (5.63) | 45.00 (6.44) | 50.75 (7.21) | 5.28 (0.03) | <1 (NS) | 4.07 (0.02) |
| Mean ingestion rate (licks/min) | 118.30 (8.24) | 54.11* (6.36) | 135.56 (10.04) | 165.47 (13.31) | 146.42 (17.43) | 164.78 (16.52) | 17.928 (0.001) | 19.79 (0.001) | 7.29 (0.001) |
| Mean pause duration (s) | 42.05 (4.54) | 28.97* (3.18) | 32.08 (2.62) | 19.65 (2.18) | 27.18 (5.24) | 21.41 (4.19) | 9.85 (0.004) | <1 (NS) | 4.31 (0.18) |
| Pause time (%) | 70.31 (2.03) | 84.61* (1.80) | 65.51 (2.49) | 57.75 (3.07) | 62.03 (4.32) | 56.83 (4.08) | 19.14 (0.001) | 18.99 (0.001) | 6.044 (0.004) |
| Lick volume (μl) | 5.73 (0.19) | 4.43* (0.17) | 5.36 (0.26) | 6.46 (0.42) | 5.73* (0.30) | 6.62 (0.33) | 13.41 (0.001) | 15.31 (0.001) | 1.21 (NS) |
| Mean ILI <250 ms (ms) | 145.30 (1.35) | 146.30 (1.84) | 145.99 (1.63) | 143.75 (2.57) | 146.65 (2.18) | 147.97 (2.66) | <1 (NS) | 2.94 (NS) | 1.53 (NS) |
| Proportion ILIs 250–2000 ms (%) | 3.25 (0.49) | 16.31* (2.04) | 4.37 (0.99) | 5.68 (1.18) | 4.30 (0.77) | 5.25 (1.22) | 3.93 (NS) | 17.93 (0.001) | 26.09 (0.001) |
Rats received 0.3 mEq i.p. lithium chloride injection 15 min after the day 1 test. Bold font indicates that p-values met the criterion for statistical significance, α=0.05. Bold font with asterisk indicates a statistically significant paired t-test value (p<0.05) comparing day 1 with day 2 values within the lesion group.