%0 Journal Article %T Efectos del intervalo entre ciclos y control del est¨ªmulo en programas definidos temporalmente %A Mateos Morf¨ªn %A Rebeca %A Flores Aguirre %A Carlos %J Revista mexicana de an¨¢lisis de la conducta %D 2009 %I Mexican Society of Behavior Analysis %X two groups of rats were exposed to temporally defined schedules (td = 30 s, t¦Ä=30 s) that differed by the length of an inter cycle interval (3 or 30 s) intruded between the end of t¦Ä and the beginning of td. in order to evaluate stimulus functions development, both td and t¦Ä were correlated with particular cues. response rate was higher in td than in t¦Ä for the group exposed to the longer inter-cycle interval, whereas for the other group the inverse effect was observed. results are discussed in terms of stimulus functions development, highlighting a possible conditioned reinforcement function of the cue correlated with t¦Ä subcycle. %K temporally defined schedules %K response rates %K interval between cycles %K rats %K stimulus functions. %U http://www.scielo.org.mx/scielo.php?script=sci_abstract&pid=S0185-45342009000300008&lng=en&nrm=iso&tlng=en