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Swimming with a head-mounted display: dual-task costs.

Kenneth M Jackson^1,2, Sean C Thayer¹, Kassidy L Simpson¹

¹Department of Psychology, George Mason University, Fairfax, VA, USA.

|April 13, 2024

Summary

This summary is machine-generated.

Head-up displays (HUDs) can aid aquatic work, but multitasking while swimming with a HUD may increase cognitive load. Performance was impacted, suggesting design considerations for underwater HUD use.

Keywords:

Multitasking augmented reality mental workload swimming visual displays

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Area of Science:

Human-Computer Interaction
Applied Physiology
Cognitive Psychology

Background:

Head-up displays (HUDs) offer hands-free information, potentially improving operational environments.
Previous research on HUDs focused on land-based tasks, leaving a gap in understanding aquatic applications.
Aquatic environments present unique challenges, including immersion and physiological factors, that may affect multitasking.

Purpose of the Study:

To investigate multitasking performance in swimmers using a HUD.
To characterize the dual-task interference associated with HUD use in an aquatic setting.
To provide insights for designing HUDs for underwater operations.

Main Methods:

Eighteen participants performed three conditions: swimming alone, a HUD-based word recall task, and a dual-task combining swimming and word recall.
Multitasking performance was assessed by measuring interference between the swimming and cognitive tasks.
Data analysis focused on comparing performance across the different task conditions.

Main Results:

Significant dual-task interference was observed when participants performed both swimming and the HUD word recall task concurrently.
The observed interference in the aquatic setting appeared potentially less pronounced than in previously studied land-based tasks.
The study quantified the impact of HUD use on cognitive load during swimming.

Conclusions:

HUD use in aquatic environments can lead to dual-task interference, impacting performance.
Findings suggest that while cognitive load increases, it may be less severe than on land.
This research provides crucial data for the development of effective HUDs in underwater operational settings.