In this research, the
researchers test the “brain drain” hypothesis that the mere presence of one’s
own smartphone may occupy limited-capacity cognitive resources, thereby leaving
fewer resources available for other tasks and undercutting cognitive
performance. Results from two experiments indicate that even when people are
successful at maintaining sustained attention—as when avoiding the temptation
to check their phones—the mere presence of these devices reduces available
cognitive capacity. Moreover, these cognitive costs are highest for those
highest in smartphone dependence. The researchers conclude by discussing the
practical implications of this smartphone-induced brain drain for consumer
decision-making and consumer welfare.
Ward, F. A., 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. https://www.journals.uchicago.edu/doi/full/10.1086/691462
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