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Gastvortrag von Sebastian Wallot, Ph. D. (MPI f. empirische Ästhetik, Frankfurt/M.)

Global eye movement dynamics predict reading comprehension

16.02.2017 um 14:15 Uhr

Die Graduiertenschule Sprache & Literatur München - Klasse für Sprache - lädt ein zum öffentlichen Gastvortrag von Sebastian Wallot, Ph. D. (Max-Planck-Institut für empirische Ästethik, Frankfurt a. Main) mit dem Titel:

Global eye movement dynamics predict reading comprehension

Donnerstag, 16. Februar, 14 Uhr c.t.
Hauptgebäude, Geschwister-Scholl-Platz 1, A 016

Der Vortrag findet im Rahmen des Workshops "Eyetracking als Methode in der sprachwissenschaftlichen Forschung" statt, den die Class of Language unter der Leitung von Dr. Franziska Günther (Lehrstuhl Moderne Englische Sprachwissenschaft) und in Kooperation mit dem Lehrstuhl für Allgemeine und Experimentelle Psychologie (Prof. Dr. Hermann Müller) veranstaltet.

Eine Anmeldung zum Vortrag ist nicht erforderlich.

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Abstract
Standard analyses of eye movements during reading focus on comparatively ‘local’ dynamics of the eye movement record, asking questions of ‘Was a word fixated or has it been skipped?’, ‘How long was a word fixated?’, or ‘How often was a word re-fixated?’. Investigations across many reading tasks have shown that such properties of eye movements are informative about the reading process. However, naturalistic reading is also a complex cognitive activity that unfolds on larger scales, across several words or sentences. To assess these larger-scale aspects of the reading process, the analysis of more global dynamics of the reading process is helpful.
In this presentation, I will introduce fractal scaling analysis as a tool to quantify global
eye movement dynamics in a natural text reading task, where participants read several chapters of two dystopic fictional stories of different difficulty, while their eye movements were being recorded. After each reading session, participants filled-in a comprehension questionnaire. An analysis of classical measures of the reading process related to comprehension (fixation duration, regressive eye movements), as well as fractal scaling analysis was conducted in order to relate eye movement processes to text comprehension. The results show that text difficulty led to longer fixation durations and stronger power-law scaling in eye movements. Moreover, the degree of power-law scaling in eye movements was predictive of text comprehension. At the end of the presentation, I will show fractal scaling analysis can be conducted and how it can be interpreted in the context of reading research.

Sebastian Wallot ist Senior Research Fellow am Max-Planck-Institut für empirische Ästhetik in Frankfurt am Main.  Er ist Experimentalpsychologe, seine Forschungsinteressen sind: Reading Research, Comprehension and Meaning, Timing and Time Perception, Joint Action, Complex Systems Theory, Nonlinear Dynamics.