Table 2.

Feeding microstructure effects following infusion of either DAMGO (2.5 μg/0.5 μl) or saline into vmPFC and a low dose of AP-5 into the LH-PeF of ad libitum-maintained rats

AP-5 LH-PeF (μg/0.5 μl)Saline vmPFCDAMGO vmPFC*
Eating bouts
    0.09.1 ± 3.342.2 ± 8.3
    0.056.0 ± 2.331.5 ± 7.8
Total eating duration(s)
    0.085.9 ± 31.2264.8 ± 60.4
    0.05#71.1 ± 26.5107.3 ± 27.1
Mean eating bout duration(s)
    0.07.9 ± 2.08.7 ± 2.3
    0.0512.7 ± 7.62.9 ± 0.6
  • Values represent mean ± SEM.

  • *p < 0.05, main effect of vmPFC/DAMGO;

  • #p < 0.05, main effect of LH-PeF/Ap-5.