The Minds and Brains of Media Multitaskers
Media and technology are ubiquitous elements of modern life, and their use can offer benefits and rewards. At the same time, decisions about how we structure our use of media can be informed by consideration of whether and, if so, how the mind and brain are shaped by different media use patterns. Anthony Wagner will discuss seminal findings from psychological science that demonstrate that humans cannot multitask—rather, attempts at multitasking result in frequent task switching— and how task switching creates performance costs. There is a growing body of research into the cognitive and neural profiles of individuals who differ in the extent to which they "simultaneously" engage with multiple media streams, or ‘media multitasking’, in everyday life. Evidence suggests that, relative to lighter media multitaskers, heavier media multitaskers exhibit poorer performance in a number of cognitive domains, including working memory and sustained goal-directed attention, even when they are performing such tasks in isolation. Given the potential implications of these findings, there is a critical need for further research that uncovers the mechanistic underpinnings of the observed differences, including determining the direction of causality. Through psychological science and neuroscience, we ultimately aim to inform decisions about how to minimize the potential costs and maximize the many benefits of our ever-evolving media landscape.
Anthony Wagner, Stanford University
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