Evaluation of Gaze Stability by Eye Tracking Method in Patients with Medulloblastomaстатья Тезисы

Статья опубликована в высокорейтинговом журнале

Информация о цитировании статьи получена из Web of Science
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 10 августа 2018 г.

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[1] Evaluation of gaze stability by eye tracking method in patients with medulloblastoma / M. Shurupova, V. N. Anisimov, A. Drenyova et al. // Pediatric Blood and Cancer. — 2017. — Vol. 64. — P. S312–S313. We assessed the feasibility of a test of gaze stabilization on a target in patients with medulloblastoma. Patients underwent a standard course of rehabilitation in Rehab Centre “Russian Field” (Chekhov, Russian Federation). Five patients (three girls and two boys, aged 13.4-17.9 years) and eight normal subjects (three girls and five boys, aged 10.6-15.2 years) participated in the study. Eye movementswere recorded by Arrington Research 60 Hz eye tracker. In experiments the participants performed the gaze stabilization test (GST) involved the focusing on the four targets (left and right, up and down at ±19◦ and ±11◦ of eccentricities, respectively). Two GST sessions were carried out during first and second rehabilitation courses separated by 3.2-9.2months interval. Results: The gaze dispersion in patients were higher compared with that in normal subjects (p<0.0001). Such instability relates foremost to oculomotor control disorders in patientswhich manifest in macrosaccadic oscillations, nystagmus, intrusive saccades, and square wave jerks. A decrease of gaze dispersion in four patients (p<0.0001 for each) occurred in the second GST session, presumably caused by reduction of intrusive saccades frequency and context inappropriate saccades both representing higher efficacy of voluntary attention control. Conclusions: Patients with medulloblastoma demonstrated poor gaze stability compared to normal subjects. The positive dynamics of gaze stability in patients has been achieved by rehabilitation courses. Eye movement patterns could be considered as objective indicators of specific oculomotor disorders. Eye tracking method represents additional diagnostic tool in rehabilitation practice. [ DOI ]

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