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Related Experiment Video

Updated: Jun 14, 2026

Measuring the Switch Cost of Smartphone Use While Walking

Measuring the Switch Cost of Smartphone Use While Walking

Published on: April 30, 2020

Smartphone Distractions and Cognitive Performance in Adolescents: An Electroencephalography Approach.

T A Suhail¹, K P Indiradevi², E M Suhara³

¹Department of ECE, Government Engineering College, Thrissur/APJ Abdul Kalam Technological University, Thrissur, India.

Basic and Clinical Neuroscience

|July 14, 2025

Summary

Excessive smartphone use negatively impacts adolescent cognitive performance and increases stress. Controlling phone use during learning tasks is crucial for maintaining cognitive function and well-being.

Keywords:

Attention Cognitive skill Mental health Smartphone addiction Spectral analysis electroencephalography (EEG)

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Last Updated: Jun 14, 2026

Measuring the Switch Cost of Smartphone Use While Walking

Measuring the Switch Cost of Smartphone Use While Walking

Published on: April 30, 2020

Measuring Engagement of Spectators of Social Digital Games

Measuring Engagement of Spectators of Social Digital Games

Published on: July 3, 2021

Recording Brain Activity with Ear-Electroencephalography

Recording Brain Activity with Ear-Electroencephalography

Published on: March 31, 2023

Area of Science:

Neuroscience
Cognitive Psychology
Adolescent Health

Background:

Widespread smartphone dependence raises concerns about adverse effects on adolescents.
Previous studies on smartphone addiction and learning performance show varied results.
Media multitasking is a growing concern among adolescents.

Purpose of the Study:

To investigate the effects of media multitasking on cognitive performance in adolescents.
To examine the association between smartphone usage patterns and cognitive function using electroencephalography (EEG).
To compare cognitive performance indices between high smartphone users and a control group.

Main Methods:

A questionnaire survey assessed smartphone use patterns in South Indian adolescents.
EEG recordings were taken during learning tasks before and after social networking site use.
EEG features, including wavelet decomposed bands, attention index, and sample entropy, were analyzed.

Main Results:

High smartphone users reported more performance degradation, sleep problems, and mental stress.
A significant decline in EEG-based cognitive performance indices was observed in the phone-use group.
The study involved 600 participants, with over 50% identified as high smartphone users.

Conclusions:

Controlling smartphone use during cognitive tasks is essential for optimal performance.
Findings suggest potential for developing neurofeedback techniques to enhance cognitive skills.
This research underscores the impact of smartphone habits on adolescent cognitive health.