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Related Experiment Video

Updated: Jun 6, 2025

A New Method for Inducing a Depression-Like Behavior in Rats

A New Method for Inducing a Depression-Like Behavior in Rats

Published on: February 22, 2018

Web-browsing patterns reflect and shape mood and mental health.

Christopher A Kelly^1,2,3,4,5, Tali Sharot^6,7,8

¹Department of Experimental Psychology, University College London, London, UK. cakelly@stanford.edu.

Nature Human Behaviour

|November 21, 2024

Summary

Online information seeking impacts mental health through a bidirectional loop. Browsing negative content worsens mood, while poor mental health leads to seeking more negative information, affecting overall well-being.

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Area of Science:

Psychology
Human-Computer Interaction
Digital Well-being

Background:

Humans spend significant time online, with information-seeking being a primary activity.
The impact of online information-seeking on mental health remains an important area of research.

Purpose of the Study:

To investigate the relationship between the valence of information sought online and mental health.
To determine if this relationship is causal and bidirectional.
To develop an intervention to improve mood through altered web-browsing patterns.

Main Methods:

Four studies involving 1,145 participants were conducted.
Natural language processing was used to quantify the valence of text on browsed webpages.
Experimental manipulation of webpages and mood measurements were employed to establish causality.

Main Results:

Browsing negative information was associated with worse mental health and mood.
The relationship between information valence and mental health was found to be causal and bidirectional.
An intervention successfully altered web-browsing patterns and improved mood.

Conclusions:

The valence of information sought online reflects and shapes mental state, creating a self-reinforcing loop.
This loop may perpetuate mental health issues.
Findings offer potential methods for assessing and enhancing digital well-being.