If you have just read the same paragraph 12 times because the person sitting next to you on the bus or in the airline lounge or on the subway is chatting on the cellphone, feel free to show the talker this: scientists have found another piece of evidence that overheard cellphone conversations are far more distracting and annoying than a dialogue between two people nearby.
In a study published Wednesday in the journal PLoS One, college students who were asked to complete anagrams while a nearby researcher talked on her cellphone were more irritated and distracted — and far more likely to remember the contents of the conversation — than students who worked on the same puzzles while the same conversation was conducted by two people in the room.
The study is the latest in a growing body of research on why cellphones rank so high on the list of modern irritants. Mounting evidence suggests the habits encouraged by mobile technology — namely, talking loudly in public to someone who is not there — are tailor made for hijacking the cognitive functions of bystanders.
One reason, said Veronica Galván, an assistant professor of psychology at the University of San Diego and the lead author of the study, is the brain’s desire to fill in the blanks.
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“If you only hear one person speaking, you’re constantly trying to place that part of the conversation in context,” Galván said. “That’s naturally going to draw your attention away from whatever else you’re trying to do.”
It is also a control thing, Galván said. When people are trapped next to a one-sided conversation — known nowadays as a “halfalogue” — their anger rises in the same way it does in other situations where they are not free to leave, such as waiting for a train or a plane.