we measured levels of catechols , including the precursor 3,4-dihydroxyphenylalanine ( dopa ) and the catecholamines dopamine ( da ) and norepinephrine ( ne ) , in surgically removed foci identified by electrocorticography and in nonepileptogenic sites from 23 patients with intractable temporal lobe epilepsy .
C0007412
catecholamines
C0028351
norepinephrine