An informatics system for exploring eye movements in reading
Tang, Siliang (2011) An informatics system for exploring eye movements in reading. PhD thesis, National University of Ireland Maynooth.
Eye tracking techniques have been widely used in many research areas including cognitive science, psychology, human-computer interaction, marketing research, medical research etc. Many computer programs have emerged to help these researchers to design experiments, present visual stimuli and process the large quantity of numerical data produced by the eye tracker. However, most applications, especially commercial products, are designed for a particular tracking device and tend to be general purpose. Few of them are designed specifically for reading research. This can be inconvenient when dealing with complex experimental design, multi-source data collection, and text based data analysis, including almost every aspect of a reading study lifecycle. A flexible and powerful system that manages the lifecycle of different reading studies is required to fulfill these demands. Therefore, we created an informatics system with two major software suites: Experiment Executor and EyeMap. It is a system designed specifically for reading research. Experiment Executor helps reading researchers build complex experimental environments, which can rapidly present display changes and support the co-registration of eye tracking information with other data collection devices such as EEG (electroencephalography) amplifiers. The EyeMap component helps researchers visualize and analysis a wide range of writing systems including spaced and unspaced scripts, which can be presented in proportional or non-proportional font types. The aim of the system is to accelerate the life cycle of a reading experiment from design through analysis. Several experiments were conducted on this system. These experiments confirmed the effectiveness and the capability of the system with several new reading research findings from the visual information processing stages of reading.
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