Changes

-Conditioning day (10):  

-Conditioning day (10):  

Rats will be injected with either drug (scopolamine) or saline vehicle 30 minutes before saccharin.   

Rats will be injected with either drug (scopolamine, 5 mg/kg, s.c.) or saline vehicle (1 ml/kg)  30 minutes before saccharin.   

All rats will receive 10-min access to a bottle of 0.125% saccharin solution in home cage.

All rats will receive 10-min access to a bottle of 0.125% saccharin solution in home cage.