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Search: authors:"Ómar I. Jóhannesson"

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Relative vibrotactile spatial acuity of the torso

substitution - Ómar I. Jóhannesson and Rebekka Hoffmann contributed equally to the manuscript. Introduction Tactile communication systems have been developed for a wide range of applications such as for

Timed written picture naming in 14 European languages

We describe the Multilanguage Written Picture Naming Dataset. This gives trial-level data and time and agreement norms for written naming of the 260 pictures of everyday objects that compose the colorized Snodgrass and Vanderwart picture set (Rossion & Pourtois in Perception, 33, 217–236, 2004). Adult participants gave keyboarded responses in their first language under controlled ...

Common Attentional Constraints in Visual Foraging

Predators are known to select food of the same type in non-random sequences or “runs” that are longer than would be expected by chance. If prey are conspicuous, predators will switch between available sources, interleaving runs of different prey types. However, when prey are cryptic, predators tend to focus on one food type at a time, effectively ignoring equally available sources. ...