( ( ( Basic research ) ( ( dealt especially ) ( ( ( with ( states ( of consciousness ) ) ) , ) physiology ) ) ) ( of ( ( ( the thalamus ) , ) ( conditioned ( reflexes a.s.o. ) ) ) ) )
(ROOT (NP (NP (NP (NNP Basic) (NN research)) (VP (VBN dealt) (ADVP (RB especially)) (PP (IN with) (NP (NP (NNS states)) (PP (IN of) (NP (NN consciousness)))) (, ,) (ADVP (RB physiology))))) (PP (IN of) (NP (NP (DT the) (NNS thalamus)) (, ,) (VP (VBN conditioned) (NP (JJ reflexes) (NN a.s.o.)))))))
Basic research dealt especially with states of consciousness, physiology of the thalamus, conditioned reflexes a.s.o.
(ROOT (S (NP (DT The) (NNS thalamus)) (VP (VBZ helps) (S (VP (TO to) (VP (VP (VB regulate) (NP (NN consciousness))) (, ,) (VP (VB arousal)) (, ,) (CC and) (VP (VB sleep) (NP (NNS states))))))) (. .)))