Sequential effects on discrimination reversal

摘要: Abstract In Experiment 1 the sequence of trials to positive (S+) and negative (S−) discriminanda was varied between groups during acquisition reversal a successive brightness discrimination. Experiments 2 3, received different reward sequences in Phase within S+. general, given transitions from nonrewarded rewarded (N-R transitions) learned both original discrimination its more slowly than schedules devoid N-R transitions. The results were discussed relation previously reported effects partial reinforcement on role sequential variables internal, reward-produced cues learning, nonreversal shifts.