The study explores the effects of graphological and semantic foregrounding on speech and gaze behavior in textual information construal of subjects with higher and lower impulsivity. Eye movements of sixteen participants were recorded as they read drama texts with interdiscourse switching (semantic foregrounding), with features of typeface distinct from the surrounding text (graphological foregrounding). Discourse modification patterns were analyzed and processed in several steps: specification of participant/object/action/event/perspective modification, parametric annotation of participants’ discourse responses, contrastive analysis of modification parameter activity and parameter synchronized activity. Significant distinctions were found in eye movement parameters (gaze count and initial fixation duration) in subjects with higher and lower impulsivity when reading parts of text with graphological foregrounding. Impulsive subjects tended to visit the areas more often with longer initial fixations than reflective subjects, which is explained in terms of stimulus-driven attention, associated with bottom-up processes. However, these differences in gaze behavior did not result in pronounced distinctions in discourse responses, which were only slightly mediated by impulsivity/reflectivity.

This paper proposes Event-modelling Framework (EMF) to explore the systemic Event construal effects onto gaze. In two eye tracking experiments examining monomodal and cross-modal switches with a total number of 898 gaze probes of Text and Picture Areas of Interest (AOIs), we investigated gaze behavior variations produced by Event construal registered in 61 parameters of Referent, Event Frame and Perspective construal. 5 non-aliased gaze metrics served to assess the significance of Event construal effects and scale them. The results contribute to the research field of ergonomic optimization in visual and reading tasks.

The study explores the cognitive process of interdiscourse switching which occurs in reading drama plays with the author’s discourse fragments incorporated (Areas of Interest). The oculographic experiment reveals the gaze patterns and the discourse interpretation patterns, more and less typical of the process. The experiment is preceded by the parametric and annotation analysis of interdiscourse switching construal. Interestingly, there exist several construal parameter groups contingent with eye movement load redistribution, among them are Participant construal, Event construal, and Perspective construal. The results sufficed to show that construal effects also affect mentioning Areas of Interest in the subjects’ responses, the most significant influence is displayed by Participant Agentivity and Complexity parameters as well as by Event Type parameters.

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