TABLE 1

Scanning Protocol for Studying Influence of Ketamine on 5-HT2A Receptor Status in Feline Brain

Time (min)Stage
−10Intravenous catheter placement
0Intravenous administration of 123I-5-I-R91150
75Induction of anesthesia: propofol, intravenous bolus
Maintenance of anesthesia: propofol, continuous-rate infusion
90Acquisition condition P
110Injection of ketamine, intravenous bolus
Maintenance of anesthesia: propofol, continuous-rate infusion, plus ketamine, continuous-rate infusion
130Acquisition condition K
150End of experiment