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    Using a smartphone on the move: do visual constraints explain why we slow walking speed?

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    Publication date
    2021
    Author
    Rubio Barañano, Alejandro
    Faisal, Muhammad
    Barrett, Brendan T.
    Buckley, John G.
    Keyword
    Smart-phone
    Reading performance
    Head motion
    Vision
    Walking
    Research Development Fund Publication Prize Award
    Rights
    (c) 2021 The Authors. This is an Open Access article distributed under the Creative Commons CC-BY license (http://creativecommons.org/licenses/by/4.0/)
    Peer-Reviewed
    Yes
    Open Access status
    Gold
    
    Metadata
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    Abstract
    Viewing one’s smartphone whilst walking commonly leads to a slowing of walking. Slowing walking-speed may occur because of safety concerns or because of visual constraints. We determine how walking-induced phone motion affects the ability to read on-screen information. Phone-reading performance (PRP) was assessed whilst participants walked on a treadmill at various speeds. The fastest speed was repeated, wearing an elbow-brace (Braced) or with the phone mounted stationary (Fixed). An audible cue (‘text-alert’), indicated participants had 2 seconds to lift/view the phone and read aloud a series of digits. PRP was the number of digits read correctly. Each condition was repeated 5 times. 3D-motion analyses determined phone-motion relative to the head, from which the variability in acceleration in viewing distance, and in the gaze angles in the up-down and right-left directions were assessed. A main-effect of condition indicated PRP decreased with walking speed; particularly so for the Braced and Fixed conditions (p=0.022). Walking condition also affected the phone’s relative motion (p
    URI
    http://hdl.handle.net/10454/18641
    Version
    Published version
    Citation
    Rubio Barañano A, Faisal M, Barrett BT and Buckley JG (2021) Using a smartphone on the move: do visual constraints explain why we slow walking speed? Experimental Brain Research. Accepted for publication.
    Link to publisher’s version
    https://doi.org/10.1007/s00221-021-06267-6
    Type
    Article
    Notes
    Research Development Fund Publication Prize Award winner, Oct 2021.
    Collections
    Life Sciences Publications

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