Skip to main content
. 2011 Sep 2;219(2):443–452. doi: 10.1007/s00213-011-2444-8

Fig. 5.

Fig. 5

Indifference point as indication of impulsive behaviour as an average of the last 4 days of baseline, 3 days of stable baseline after IV canulation, during FR1, FR2, FR4, progressive ratio, extinction and the average of the last 3 days after 5 weeks of abstinence. Data are shown for HI and LI, expressed as a absolute data and b percentage of baseline. *HI vs LI p < 0.001; #FR2 vs baseline, after surgery, extinction; $PR vs baseline, after surgery, extinction, abstinence p < 0.05