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Talking While Driving Impairs Eye Movement, Study Finds

12/28/2025

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Summary

Story summary

New research from Fujita Health University in Japan shows that talking while driving impairs eye movement and reaction times.
The study tested 30 participants who completed eye movement tasks under conditions: speaking, listening, or no task.
Speaking delays eye reactions, impairs movement, and slows stabilization of visual targets.
The cognitive load from conversation interferes with neural mechanisms governing eye movements, increasing road risk by slowing visual processing, including hands-free conversations.

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Story summary

New research from Fujita Health University in Japan shows that talking while driving impairs eye movement and reaction times.
The study tested 30 participants who completed eye movement tasks under conditions: speaking, listening, or no task.
Speaking delays eye reactions, impairs movement, and slows stabilization of visual targets.
The cognitive load from conversation interferes with neural mechanisms governing eye movements, increasing road risk by slowing visual processing, including hands-free conversations.