Effect of home-cage diet condition on food self-administration training.

<p><b>A.</b> Reinforcers (pellets) earned (mean±SEM). <b>B.</b> Time-out responding during food self-administration training for different diet conditions. Inset: difference in time-out between training sessions 1 and 10 for each diet condition. ^# Different between sessions 1 and 10 within diet condition, p<0.05. <b>C.</b> Active lever responding (mean±SEM) under extinction conditions without cue (lever responding had no consequence).*Different between chow-only and daily cafeteria group, p<0.05, n = 8 per group. Data points with heavier outlines indicate days that intermittent group had access to cafeteria items prior to the session.