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Intelligence, Task Difficulty, and the Regulation of Activity in the Brain's Default Mode Network.

J Cogn Neurosci May 1, 2026 DOI: 10.1162/jocn.a.2413 (opens in new tab)

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Study at a glance

AI-extracted from the abstract

Characteristics	Observational fMRI study Peer reviewed
Topics	Default mode network
Key findings	Higher intelligence is associated with more effective suppression of the default mode network during difficult tasks and less DMN activity during easy tasks.

Abstract

Intelligence, Task Difficulty, and the Regulation of Activity in the Brain's Default Mode Network.

Intelligence, Task Difficulty, and the Regulation of Activity in the Brain’s Default Mode Network
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The Brain's Default Mode Network Annual Review of Neuroscience May 4, 2015 4,082 citations
Involvement of the default mode network under varying levels of cognitive effort Scientific Reports April 15, 2022
Challenging the notion of a task-negative network: default mode network involvement under varying levels of cognitive effort

Study at a glance

Abstract

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