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Intraoperative direct electrical stimulation (DES) is increasingly used in patients operated on for tumours in eloquent areas. Although a positive impact of DES on postoperative linguistic outcome is generally advocated, information about the neurolinguistic methods applied in awake surgery is scarce. We developed for the first time a standardised Dutch linguistic test battery (measuring phonology, semantics, syntax) to reliably identify the critical language zones in detail. A normative study was carried out in a control group of 250 native Dutch-speaking healthy adults. In addition, the clinical application of the Dutch Linguistic Intraoperative Protocol (DuLIP) was demonstrated by means of anatomo-functional models and five case studies. A set of DuLIP tests was selected for each patient depending on the tumour location and degree of linguistic impairment. DuLIP is a valid test battery for pre-, intraoperative and postoperative language testing and facilitates intraoperative mapping of eloquent language regions that are variably located.

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In this paper, we investigate the interpretation of negated antonyms. A sentence such as Peter is not tall can be understood as meaning either that Peter is not tall tout court or that Peter is rather short (inference towards the antonym; ITA). We present the results of two experiments, in which we test two theoretical predictions. First, according to Krifka (2007), it is reasonable to expect a stronger ITA effect for positive versus negative adjectives. Second, elaborating on Krifka (2007), we expect ITA strength asymmetry to be greater for morphological antonymic pairs than for non-morphological pairs. In the first experiment, ITA strength was assessed implicitly by having participants judge the pragmatic acceptability of sentences involving a negated adjective and its antonym. In the second experiment, we collected explicit inferential judgments. The results of both experiments support the two predictions. We also discuss theoretical and methodological issues concerning the different notions of polarity.