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. Author manuscript; available in PMC: 2010 Mar 1.
Published in final edited form as: Anesthesiology. 2009 Mar;110(3):487–495. doi: 10.1097/ALN.0b013e3181974f3e

Table 3.

Design and Procedures for Examining the Long-term Effect of 0.6% Isoflurane on Stress-enhanced Fear Learning (Experiment 3)

Day 1, Context A

Group No. of Rats Concentration of Isoflurane, % Preexposure Treatment, No. of Shocks Days 2–90 Day 91, Context B Day 92, Context B Day 93, Context B Day 94, Context A
1 8 0 0 Wait Extinction 1 Shock Context Test Context Test
2 8 15
3 8 0.6 0
4 8 15