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Video 12 of 17
Default-mode and task networks
How inner thought and the task in front of you interact.
Preparing the animation…
The highlights illustrate contributing systems. The precise mechanisms in ADHD are still being investigated.
Sources and model credits
Sources checked September 2026. Studies differ in age, methods and populations; their relevance is explained in Technical Detail. Everyday examples illustrate a process rather than a measured brain response.
- Default network: anatomy and function (2019)
- Default-network subsystems (2010)
- Default-mode hypothesis: large-sample analysis (2022)
- NICE NG87: ADHD recommendations
Anatomical surface adapted from Brain Project, Z-Anatomy / BodyParts3D, © DBCLS and contributors. Adapted geometry: CC BY-SA 4.0. Three.js: MIT licence.
Narration: Emma (Kokoro bf_emma). The recording is included in this file and plays offline.