Human Attention in Digital Environments by Claudia Roda

By Claudia Roda

Electronic structures, corresponding to telephones, pcs and PDAs, position non-stop calls for on our cognitive and perceptual structures. they give info and interplay possibilities good above our processing talents, and infrequently interrupt our task. acceptable allocation of recognition is among the key elements settling on the good fortune of inventive actions, studying, collaboration, and plenty of different human objectives. This publication offers study relating to human realization in electronic environments. unique contributions through major researchers disguise the conceptual framework of analysis aimed toward modelling and helping human attentional procedures, the theoretical and software program instruments at present to be had, and diverse software parts. The authors discover the concept awareness has a key position to play within the layout of destiny know-how and speak about how such know-how may well proceed helping human job in environments the place a number of units compete for people's constrained cognitive assets.

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A related question is that of how different features contribute to overall perceptual saliency. Several computational models of bottom-up attention have represented different featural contributions and control mechanisms (see Itti 2005 for a review), providing a better understanding of feature interaction. These models are based on saliency maps representing stimulus saliency in every point of a two-dimensional space: see, for example, Itti, Koch and Niebur 1998. , Navalpakkam and Itti 2006; Schill, Zetzsche and Hois 2009).

W. C. 1998. Cognitive architecture and instructional design, Educational Psychology Review 10(3): 251–96 Treisman, A. 1960. Contextual cues in selective listening, Quarterly Journal of Experimental Psychology 12: 242–8 Vertegaal, R. ) 2003. Attentive user interfaces, special issue of Communications of the ACM 46(3): ACM Vogel, E. , Luck, S. , and Shapiro, K. L. 1988. , and Cheng, P. 2006. Attention design: Eight issues to consider, Computers in Human Behavior 22(4): 588–602 Part I Concepts 2 Human attention and its implications for human–computer interaction Claudia Roda Remembering planned activities, resuming tasks previously interrupted, recalling the names of colleagues, sustaining focused performance under the pressure of interruptions, ensuring that we don’t miss important information .

Lavie and her colleagues propose a theory that aims at clarifying the different roles played by perception and cognitive control in attention capture. On the basis of a set of experiments, they argue that high perceptual load reduces distractor interference, whilst high cognitive load increases distractor interference (Lavie et al. 2004). 4 of this chapter. 2 Divided attention Attention may be concentrated on a single item (focused attention) or it may be divided between multiple targets (divided attention, split attention).

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