Examining the influence of different types of dynamic change in a visual search task
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Examining the influence of different types of dynamic change in a visual search task Mengzhu Fu 1 & Logan L. Miller 1 & Michael D. Dodd 1
# The Psychonomic Society, Inc. 2020
Abstract It has been repeatedly demonstrated that when performing a visual search task, items can pop out of a display such that they are identified rapidly, independent of the number of distractors present. It has been less clear whether this type of pop-out is limited to static displays (e.g., images) or whether it can also occur in scenes containing movement, more akin to how we experience the real world. Recently, Jardine and Moore (Journal of Experimental Psychology: Human Perception and Performance, 42, 617–630, 2016) examined whether pop-out also occurs in displays consisting of dynamic motion – wherein items in the display rotated continuously until a critical frame that would elicit pop-out under static presentation conditions – and found that search was greatly impaired. It remains unclear, however, whether such impairment is exerted equivalently across all types of dynamic motions or if it is specific to orientation. In the present study, we replicate the original Jardine and Moore (Journal of Experimental Psychology: Human Perception and Performance, 42, 617–630, 2016) finding and extend this examination to another dimension – color change. We also explore whether search efficiency can be improved with dynamic context if aspects of the display become predictable. The results suggest that not all types of dynamic change impair search performance. Specifically, oddball color targets continue to pop out even when the items in the display are dynamic. Interestingly, adding predictable context did not aid search accuracy as expected, rather resulting in poorer performance. Taken together, the findings suggest that the influence of dynamic context on search performance is not absolute. Keywords Attention . Visual search . Motion
Introduction When visiting an amusement park – or any large public gathering space – it is a frequent occurrence to see small groups of individuals all wearing the same unique and brightly colored tshirt (e.g., neon yellow). The logic of this irregular clothing choice is simple: by wearing a shirt that is quite unlike anything that others in the park are wearing (outside of your immediate group), it should be easier to locate the people you are with, even in large crowds and with everyone continually moving in different directions. In other words, the intent of the bright t-shirt is to “pop out” from all the other distracting Electronic supplementary material The online version of this article (https://doi.org/10.3758/s13414-020-02078-z) contains supplementary material, which is available to authorized users. * Mengzhu Fu [email protected] 1
Department of Psychology, University of Nebraska - Lincoln, Lincoln, NE, USA
non-target individuals, permitting the people you are with to easily locate you and vice versa. Though the aforementioned example is a rare occurrence for many (outside of amusement par
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