We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleModification of performance on the span of apprehension, a putative marker of vulnerability to schizophrenia.AuthorsKern, Robert S.; Green, Michael F.; Goldstein, Michael J.PublicationJournal of Abnormal Psychology, 1995, Vol 104, Issue 2, p385ISSN0021-843XDOI10.1037/0021-843x.104.2.385