Performances of a Dutch and Flemish sample on the extension of the Dutch Linguistic Intraoperative Protocol

The DuLIP-Extended is the extension of the Dutch Linguistic Intraoperative Protocol (De Witte et al., 2015) which aims to test language function on the linguistic levels of phonology, semantics, and syntax in cases of awake brain surgery on glioma patients with no or mild aphasia. The extension aims to make awake surgery feasible for glioma patients who have severe preoperative aphasia, by the addition of less complex tasks on all linguistic levels. This study aims to provide insight into how a healthy Flemish and Dutch sample perform on the DuLIP-Extended. Insight was gained by investigating which items should be removed depending on low accuracy rate in a healthy Dutch and a healthy Flemish sample, what the accuracy rates of the performances were on subtask level, whether the performances of the Dutch and Flemish samples significantly differed from each other, and whether the factors of sex, age, and education level affected task performances. The Dutch sample contained 71...Show moreThe DuLIP-Extended is the extension of the Dutch Linguistic Intraoperative Protocol (De Witte et al., 2015) which aims to test language function on the linguistic levels of phonology, semantics, and syntax in cases of awake brain surgery on glioma patients with no or mild aphasia. The extension aims to make awake surgery feasible for glioma patients who have severe preoperative aphasia, by the addition of less complex tasks on all linguistic levels. This study aims to provide insight into how a healthy Flemish and Dutch sample perform on the DuLIP-Extended. Insight was gained by investigating which items should be removed depending on low accuracy rate in a healthy Dutch and a healthy Flemish sample, what the accuracy rates of the performances were on subtask level, whether the performances of the Dutch and Flemish samples significantly differed from each other, and whether the factors of sex, age, and education level affected task performances. The Dutch sample contained 71 participants and the Flemish contained 80 participants. Across the samples the age range was 18 years of age to 83 years of age. Accuracy rate was below 80% for only a few items (k = 6 in the Dutch sample, k = 3 in the Flemish sample) and these items were marked for removal in future versions of the DuLIP-Extended. Overall performances of both samples were high in accuracy (all subtask medians were above 80%). Mann-Whitney U tests revealed differences in performances on four subtasks of the DuLIP-Extended between the Flemish and Dutch sample. Lastly, sex, age, and education level had no effect on the performances of the Dutch sample.Show less

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Performances of a Dutch and Flemish sample on the extension of the Dutch Linguistic Intraoperative Protocol