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Elastic collision of a system demands conservation of both momentum and kinetic energy. To solve problems involving one-dimensional elastic collisions between two objects, the equations for conservation of momentum and conservation of internal kinetic energy can be used. For the two objects, the sum of momentum before the collision equals the total momentum after the collision. An elastic collision conserves internal kinetic energy, and so the sum of kinetic energies before the collision equals...
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Measuring the Switch Cost of Smartphone Use While Walking
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Smartphones and rightward collisions.

Matia Okubo1

  • 1Department of Psychology, Senshu University, Kawasaki, Japan.

Laterality
|August 23, 2023
PubMed
Summary
This summary is machine-generated.

Smartphone use reduces rightward collisions when walking through doorways. This occurs because smartphone users focus on their devices, decreasing attention to extrapersonal space and thus reducing the typical rightward walking bias.

Keywords:
Smartphone uselaterality in locomotionpseudoneglectvisual attention

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Area of Science:

  • Human locomotion and spatial navigation.
  • Cognitive psychology and attentional bias.
  • Human-computer interaction and mobile device usage.

Background:

  • Individuals exhibit a natural rightward bias when navigating narrow apertures, leading to collisions.
  • This rightward deviation is linked to attentional shifts in extrapersonal space.
  • The influence of mobile device usage on this navigational bias is not well understood.

Purpose of the Study:

  • To investigate the impact of smartphone use on the rightward collision bias during pedestrian navigation.
  • To determine if focusing on a smartphone alters the tendency to collide with the right side of an aperture.

Main Methods:

  • A narrow-doorway task was employed to simulate walking through an aperture.
  • Participants navigated the doorway with and without using a smartphone for verbal or spatial tasks.
  • The frequency and direction of lateral collisions were recorded.

Main Results:

  • Smartphone use significantly decreased the number of rightward collisions.
  • The type of task performed on the smartphone (verbal vs. spatial) did not influence collision bias.
  • Results suggest a reduction in the typical rightward attentional bias when engaged with a smartphone.

Conclusions:

  • Smartphone use mitigates the natural rightward collision bias in narrow apertures.
  • Attentional focus on smartphones reduces the need to update spatial estimates, thereby decreasing rightward deviations.
  • Findings highlight the interplay between attention, spatial navigation, and mobile technology use.