2017’s top 100 journal articlesBrain power

Brain Drain: The Mere Presence of One’s Own Smartphone Reduces Available Cognitive Capacity

Part 3 of a miniseries reviewing selected papers from Altmetric’s list of the top 100 most-discussed journal articles of 2017.

Smartphones have brought a highly connected world into our pockets and palms. We interact with them constantly, checking a wide variety of news and information sources, making purchases that are delivered to our door, chatting with friends across the globe, and checking out potential romantic partners.

While smartphones bring us the benefits of ready access to information and our social networks, research has shown that they also cause cognitive deficits. The research conducted to date has focused on the impact of smartphones on our attention orientation, finding for example that using a smartphone while driving causes delayed reaction times and lapses in attention.

But what if just the mere presence of our smartphone impacts on our cognitive capacity? An April 2017 study1 set out to investigate this, with the researchers proposing that “the mere presence of one’s smartphone may impose a “brain drain” as limited-capacity attentional resources are recruited to inhibit automatic attention to one’s phone, and are thus unavailable for engaging with the task at hand.”

The researchers conducted two experiments to test this hypothesis, finding that:

…the mere presence of consumers’ smartphones can adversely affect two measures of cognitive capacity—available working memory capacity and functional fluid intelligence—without interrupting sustained attention or increasing the frequency of phone-related thoughts. Consumers who were engaged with ongoing cognitive tasks were able to keep their phones not just out of their hands, but also out of their (conscious) minds; however, the mere presence of these devices left fewer attentional resources available for engaging with the task at hand.

Further … the effects of smartphone salience on available cognitive capacity are moderated by individual differences in the personal relevance of these devices (operationalized in terms of smartphone dependence); those who depend most on their devices suffer the most from their salience, and benefit the most from their absence.

The potential implications of this include:

  • consumers making choices that rely less on analytic and deliberative processing, and more on intuitive and heuristic-based approaches
  • increased susceptibility to deceptive advertising
  • undermining the learning and test performance of young adults engaged in education
  • people increasingly taking steps to disconnect from, or control their access to, smartphones.

From their findings, the researchers suggest that intuitive solutions to smartphone-induced brain drain, such as placing the phone face down or turning it off, are likely to be futile. Separation can however work, as long as people are expecting to be separated from their phones and so are not confronted with calls or notifications they are aware of but can’t answer. If people can hear their phones ring while being unable to answer then they can suffer anxiety.

Reference:

  1. Ward, A. F., Duke, K., Gneezy, A., & Bos, M. W. (2017). Brain Drain: The Mere Presence of One’s Own Smartphone Reduces Available Cognitive Capacity. Journal of the Association for Consumer Research, 2(2), 140-154.

Also published on Medium.

Bruce Boyes

Bruce Boyes (www.bruceboyes.info) is editor, lead writer, and a director of the award-winning RealKM Magazine (www.realkm.com), and a knowledge management (KM), environmental management, and project management consultant. He holds a Master of Environmental Management with Distinction, and his expertise and experience includes knowledge management (KM), environmental management, project management, stakeholder engagement, teaching and training, communications, research, and writing and editing. With a demonstrated ability to identify and implement innovative solutions to social and ecological complexity, Bruce's many career highlights include establishing RealKM Magazine as an award-winning resource, using agile and knowledge management approaches to oversee an award-winning $77.4 million western Sydney river recovery program, leading a knowledge strategy process for Australia's 56 natural resource management (NRM) regional organisations, pioneering collaborative learning and governance approaches to support the sustainable management of landscapes and catchments, and initiating and teaching two new knowledge management subjects at Shanxi University in China. With a demonstrated ability to identify and implement innovative solutions to social and ecological complexity, Bruce's many career highlights include establishing RealKM Magazine as an award-winning resource for knowledge managers, using agile and knowledge management approaches to oversee the implementation of an award-winning $77.4 million river recovery program in western Sydney on time and under budget, leading a knowledge strategy process for Australia's 56 natural resource management (NRM) regional organisations, pioneering collaborative learning and governance approaches to support communities to sustainably manage landscapes and catchments, and initiating and teaching two new knowledge management subjects at Shanxi University in China.

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