Dissociations between verb-related functional categories have consistently been reported inagrammatism (e.g., Friedmann & Grodzinsky, 1997; Nanousi et al., 2006). These dissociations areoften attributed to the differential demands functional categories place on the speakers’ processingsystem (e.g., Fyndanis et al., 2012). However, studies reporting such dissociations have not alwaysmatched their conditions in terms of ^presence of phrases (DPs/adverbials) intervening between thecue and the target functional category/verb form. For instance, in order to test tense and subject-verbagreement, Friedmann and Grodzinsky (1997) and Nanousi et al. (2006) auditorily administeredsentence completion tasks in which, although there were no intervening phrases between the cue andthe target in the agreement condition (e.g., X 0es to aydriperpatise Yesterday the boy walked > XOesta ayorja perpatisan Yesterday the boys walked), in the tense condition a DP intervened (e.g., XOesto aydri perpatise Yesterday the boy walked > Avrio to aydri 0a perpatisi Tomorrow the boy willwalk). Interestingly, both the above-mentioned studies found agreement to be significantly betterpreserved compared to tense. Thus, this dissociation might be attributed-at least partly-to the abovementioned between-condition design differences.
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