What is hidden behind the Baking Tray Task? Study of sensibility and specificity in right-hemispheric stroke patients

Juan García-Fernández, Alberto García-Molina, Celeste Aparicio-López, Rocío Sánchez-Carrión, Antònia Enseñat, Jordi Peña-Casanova, Teresa Roig-Rovira

Research output: Contribution to journalArticleResearchpeer-review

Abstract

© 2015, Revista de Neurología. All rights reserved. Introduction. Tham and Tegnér proposed the Baking Tray Task (BTT) as a fast simple assessment test for detecting spatial negligence. However, very few studies have examined its validity as a diagnostic test. Aim. To analyse the diagnostic validity of the BTT by measuring its specificity and sensitivity in a sample of subjects with right hemisphere strokes. Subjects and methods. Forty-eight patients with right hemisphere vascular lesions were distributed in two groups (negligence group, n = 35; non-negligence group, n = 13) according to the scores obtained in a battery of visuospatial examination tests. The participants’ performance on the BTT was compared with that of a healthy control group (n = 12). Results. The results showed a high level of sensitivity of the BTT, but low specificity. The performance on the BTT of eight of the 13 members of the non-negligence group was suggestive of negligence. Conclusions. The BTT has proved to be a sensitive test for the detection of spatial negligence. Yet, based on its low specificity, its use alone as a single diagnostic test is not recommended.
Original languageEnglish
Pages (from-to)543-549
JournalRevista de Neurologia
Volume61
Issue number12
Publication statusPublished - 1 Jan 2015

Keywords

  • Brain damage
  • Neuropsychological tests
  • Sensitivity
  • Spatial negligence
  • Specificity
  • Stroke

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