Schizophrenia Research Trends

140A. Orosz, K. Cattapan-Ludewig, G. Gal and J. FeldonConditioned taste aversion (CTA)In CTA, the PE animals are preexposed to water flavored with sucrose (CS), while theNPE animals receive pure water only (29-31). In the conditioning phase, both groups haveaccess to flavored water which is now paired with the US, nausea caused by LiCl injection.LI is measured by the different volume intake of flavored water by the PE and NPE animalsin the test phase after conditioning.Conditioned emotional response (CER)A conditioned emotional response is commonly measured by a conditioned licksuppression procedure (32-34). During the preexposure stage, a tone (CS) is presentedseveral times to the PE animals. In the conditioning phase the tone is presented to both theNPE and the PE group and is paired with a foot shock (US). In the test phase the animals ofboth groups, which had been all on a water deprivation schedule before, had free access towater. After a specific number of licks, the tone is presented again. The variable of interest isthe amount of time that is required to complete a certain number of licks after the onset of the