PSYC 2330 Lecture 3: Week 3.pdf
16 Sep 2013
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Cs-us = conditioned excitation; the cs is an excitor (cs+) Cs-no us = conditioned inhibition; the cs is an inhibitor (cs-) Cs (i) & cs (ii) ------> no us. 1. summation test: cs (iii)+ & cs (ii) = no cr to cs (iii) 2. retardation-of-acquisition test: cs (ii) difficult to condition to a us. Increased responding to the cs that might occur because of mere exposure to the us. Rescorla (1973): light (cs) conditioned with a loud noise (us) Holland and straub (1979): noise (cs) conditioned with food (us) Cs did not produce a cr: cs-cs associations. Test: tone induces salivation; light induces salivation as well. Us = puff of air to the eye ur = eye blink. Cs = tone: fear conditioning (skin conductance response - scr) An index used to measure the reduction responding for food during the presentation of a cs associated with an aversive us. B = # of responses during the cs.
