Eye-Tracking: Anwendung in Grundlagenforschung und klinischer Praxis

K. D. Bartl-Pokorny; F. Pokorny; S. Bölte; A. Langmann; T. Falck-Ytter; T. Wolin; C. Einspieler; J. Sigafoos; P. B. Marschik

doi:10.1055/s-0033-1343458

Klinische Neurophysiologie, Table of Contents

Klinische Neurophysiologie 2013; 44(03): 193-198
DOI: 10.1055/s-0033-1343458

Originalia

Eye-Tracking: Anwendung in Grundlagenforschung und klinischer Praxis

Eye Tracking in Basic Research and Clinical Practice

K. D. Bartl-Pokorny

¹Institut für Physiologie (IN:spired; Developmental Physiology & Developmental Neuroscience), Zentrum für Physiologische Medizin, Medizinische Universität Graz, Österreich

,

F. Pokorny

¹Institut für Physiologie (IN:spired; Developmental Physiology & Developmental Neuroscience), Zentrum für Physiologische Medizin, Medizinische Universität Graz, Österreich

,

S. Bölte

²Department of Women’s and Children’s Health, Karolinska Institutet Center of Neurodevelopmental Disorders (KIND), Karolinska Institutet Stockholm, Schweden

,

A. Langmann

³Ambulanz für Schielen, Kinderophthalmologie & Rehabilitation Sehbehinderter, Augenklinik der Medizinischen Universität Graz, Österreich

,

T. Falck-Ytter

²Department of Women’s and Children’s Health, Karolinska Institutet Center of Neurodevelopmental Disorders (KIND), Karolinska Institutet Stockholm, Schweden

⁴Department of Psychology, Uppsala University, Schweden

,

T. Wolin

¹Institut für Physiologie (IN:spired; Developmental Physiology & Developmental Neuroscience), Zentrum für Physiologische Medizin, Medizinische Universität Graz, Österreich

,

C. Einspieler

¹Institut für Physiologie (IN:spired; Developmental Physiology & Developmental Neuroscience), Zentrum für Physiologische Medizin, Medizinische Universität Graz, Österreich

,

J. Sigafoos

⁵School of Educational Psychology and Pedagogy, Victoria University of Wellington, Neuseeland

,

P. B. Marschik

¹Institut für Physiologie (IN:spired; Developmental Physiology & Developmental Neuroscience), Zentrum für Physiologische Medizin, Medizinische Universität Graz, Österreich

› Author Affiliations

Abstract

Zusammenfassung

Eye-Tracking, eine nicht-invasive infrarotbasierte Videotechnik zur Aufzeichnung von Augenbewegungen, ermöglicht Einsichten in perzeptuelle Verarbeitungsprozesse und Rückschlüsse auf die Bewältigung kognitiver Aufgaben. Diese Methode findet breite Anwendung im medizinisch-wissenschaftlichen und klinischen Bereich, z. B. für ophthalmologische, neurologische, psychiatrische und neuropsychologische Fragestellungen. So zeigten z. B. Kinder, die später eine Autismus Spektrum Störung entwickelten, frühe Auffälligkeiten im Blickverhalten in kommunikativen Settings während man bei Dyslektikern abweichende Augenbewegungsmuster beim Lesen beobachtete (längere Fixationen, kleinere Sakkaden). Die Verwendung von Eye-Tracking-Systemen in Kombination mit neurophysiologischen und bildgebenden Methoden lässt einen rasch zunehmenden Erkenntnisgewinn zum besseren Verständnis kognitiver und sprachlicher Prozesse sowie der sozio-kommunikativen Entwicklung und in weiterer Folge eine vermehrte klinische Anwendbarkeit dieser Methode erwarten.

Abstract

Eye tracking is a non-invasive technique based on infrared video technology that is used to analyse eye movements. Such analyses might provide insights into perceptual and cognitive capacities. It is a method widely used in various disciplines, such as ophthalmology, neurology, psychiatry and neuropsychology for basic science, but also clinical practice. For example, recent studies on children who were later diagnosed with autism spectrum disorders revealed early abnormal eye movement patterns in socio-communicative settings; children with dyslexia appeared also to have peculiar eye movement patterns, expressed in longer fixation durations and smaller saccades while reading. Current research using eye tracking systems in combination with neurophysiological and brain imaging techniques will add to a better understanding of cognitive, linguistic and socio-communicative development and in the near future possibly also lead to a broader clinical application of this method.

Schlüsselwörter

Autismus - Autismus Spektrum Störungen - Dyslexie - Eye-Tracking - Legasthenie

Key words

autism - autism spectrum disorders - dyslexia - eye tracking - dyslexia

Full Text

References

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