( Researchers ( ( will ( ( take ( ( additional measurements ) ( of ( the ( ( mentally ill ) patients ) ) ) ) ) ( ( ( when ( they ( experience ( ( an ( ( increase or ) decrease ) ) ( in symptoms ) ) ) ) ) and ) ( when ( ( their ( medication ( ( types or ) dosages ) ) ) ( are changed ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNS Researchers)) (VP (MD will) (VP (VB take) (NP (NP (JJ additional) (NNS measurements)) (PP (IN of) (NP (DT the) (ADJP (RB mentally) (JJ ill)) (NNS patients)))) (SBAR (SBAR (WHADVP (WRB when)) (S (NP (PRP they)) (VP (VBP experience) (NP (NP (DT an) (NN increase) (CC or) (NN decrease)) (PP (IN in) (NP (NNS symptoms))))))) (CC and) (SBAR (WHADVP (WRB when)) (S (NP (PRP$ their) (NN medication) (NNS types) (CC or) (NNS dosages)) (VP (VBP are) (VP (VBN changed)))))))) (. .)))
Researchers will take additional measurements of the mentally ill patients when they experience an increase or decrease in symptoms and when their medication types or dosages are changed.
(ROOT (S (NP (PRP You)) (ADVP (NP (NP (NN decrease) (NNS errors)) (PP (IN in) (NP (DT an) (NN experiment)))) (IN by)) (VP (VBP take) (NP (JJ many) (NNS measurements))) (. .)))