( Topics ( ( include ( habituation ( , ( sensitization ( , ( associative ( learning ( , ( rule ( and ( category learning ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNS Topics)) (VP (VBP include) (NP (NN habituation) (, ,) (NN sensitization) (, ,) (JJ associative) (NN learning) (, ,) (NN rule) (CC and) (NN category) (NN learning))) (. .)))
Topics include habituation, sensitization, associative learning, rule and category learning.
(ROOT (S (NP (NP (NNP Learning)) (SBAR (S (VP (TO to) (VP (VB get) (VP (VBN used) (PP (TO to) (NP (NN something))) (PP (IN after) (S (VP (VBG being) (VP (VBN exposed) (PP (TO to) (NP (PRP it))) (PP (IN for) (NP (DT a) (NN while))))))))))))) (VP (VBZ is) (VP (VBN associated) (PP (IN with) (NP (NN habituation) (NN learning))))) (. .)))