Figure 3.

Effects of propranolol and cortisol on retrieval of heroin-related words. (a) Study procedure in experiment 3. ‘Drug' refers to administration of cortisol, cortisol with propranolol, or propranolol; for details, see Materials and Methods. (b) Effects of propranolol and cortisol on retrieval of heroin-related words. (c–e) Effects of study drugs on salivary cortisol concentrations. Data are shown as mean±SEM. ^*P<0.01 compared with placebo treatment condition (post hoc t-tests). For additional statistical analyses, see Results.