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Neuroimage August 2021 PMID 33951514

Viewing personalized video clips recommended by TikTok activates default mode network and ventral tegmental area.

Conghui Su, Hui Zhou, Liangyu Gong, Binyu Teng, Fengji Geng, Yuzheng Hu

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Mentions

53
Peak: 3 in Jul 2023
across 4 sources since Jul 2023

Extended reach

7,822
potential audience

Total likes

326

Video views

4,977

Mentions per month

Jul 2023 – Feb 2025

Where it's discussed

  • News42 articles
  • X / Twitter4 posts
  • YouTube4 videos
  • Blogs3 articles

AI synopsis

What people are saying

The discussions highlight the activation of reward and self-referential brain regions through phrases like 'activates reward circuits' and questions like 'Como o TikTok afeta o nosso cérebro?' indicating interest. References to scientific evidence and brain areas like dopamine pathways suggest a moderate level of engagement and recognition of the research's potential importance, although the tone remains mostly informational rather than deeply analytical or critical.

AgreementModerate agreement

Most comments acknowledge the scientific findings and relate them to neural processes, showing moderate support for the article’s implications.

InterestModerate interest

Discussions indicate a fair level of curiosity about how TikTok influences the brain, especially regarding dopamine and attention.

EngagementNeutral engagement

The comments generally reflect surface-level interest with limited deep analysis or personal reflection.

ImpactModerate impact

Participants believe the research holds some significance, especially concerning impacts on brain stimulation, but no one emphasizes immediate or drastic changes.

Abstract in brief

  • The study found that viewing personalized TikTok videos activates specific brain regions associated with the default mode network (DMN) and ventral tegmental area, which are involved in self-referential thinking and reward processing, especially in users with lower self-control and problematic usage patterns.
  • Higher brain activity in areas like the lateral prefrontal cortex, anterior thalamus, and cerebellum was observed when users watched personalized videos compared to non-personalized ones, indicating greater engagement and potentially increased susceptibility to overuse.
  • The research suggests that personalized recommendation algorithms effectively engage neural pathways related to attention, sensory processing, and cognitive control, which may explain how they capture and sustain user attention, especially in individuals prone to problematic use.]
Read the full abstract

Top posts

Most liked on X and Bluesky
Edimilson dos Santos Gonçalves
@edmilsonkurosak · X

COMO O TIKTOK AFETA O NOSSO CÉREBRO?

Jul 22, 2023 · 1 like · 192 followers View post →
Jim Bloom
@jimmyroybloom · X

Viewing personalized video clips recommended by TikTok activates default mode network and ventral tegmental area - ScienceDirect https://t.co/kBUU9yZVgY

Jul 19, 2023 · 2,442 followers View post →
Simón
@piscocontrol · X

@Arrebol_FE @NeuroUC @Cooperativa 2/4 Una simple busqueda en Scopus arroja resultados que dan cuenta de evidencias respecto a la activación de circuitos de recompemsa asociados al uso de pantallas, por ejemplo: https://t.co/ruL9qdMxaA https://t.co/Rb6AJqIxZS https://t.co/3vAJ35I2es

Feb 8, 2025 · 178 followers View post →
Nayan
@NayanProject · X

@malphitezapzap @comunidademc A ideia é a seguinte, isso acaba afetando a parte de estimulos do nosso cérebro(dopamina) e também na parte do foco e fazer certas atividades ou trabalhos. https://t.co/JpoubtCHDt https://t.co/TBwwMxDZgG https://t.co/jzIEy2DWZy

Dec 6, 2023 · 33 followers View post →

All mentions

Simón
@piscocontrol · X

@Arrebol_FE @NeuroUC @Cooperativa 2/4 Una simple busqueda en Scopus arroja resultados que dan cuenta de evidencias respecto a la activación de circuitos de recompemsa asociados al uso de pantallas, por ejemplo: https://t.co/ruL9qdMxaA https://t.co/Rb6AJqIxZS https://t.co/3vAJ35I2es

Feb 8, 2025 · 178 followers View post →
Nayan
@NayanProject · X

@malphitezapzap @comunidademc A ideia é a seguinte, isso acaba afetando a parte de estimulos do nosso cérebro(dopamina) e também na parte do foco e fazer certas atividades ou trabalhos. https://t.co/JpoubtCHDt https://t.co/TBwwMxDZgG https://t.co/jzIEy2DWZy

Dec 6, 2023 · 33 followers View post →
Edimilson dos Santos Gonçalves
@edmilsonkurosak · X

COMO O TIKTOK AFETA O NOSSO CÉREBRO?

Jul 22, 2023 · 1 like · 192 followers View post →
Jim Bloom
@jimmyroybloom · X

Viewing personalized video clips recommended by TikTok activates default mode network and ventral tegmental area - ScienceDirect https://t.co/kBUU9yZVgY

Jul 19, 2023 · 2,442 followers View post →