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  3. Task Context Is Broadly Encoded In The Human Brain.
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  3. Task Context Is Broadly Encoded In The Human Brain.

Related Experiment Video

Decoding Natural Behavior from Neuroethological Embedding
08:00

Decoding Natural Behavior from Neuroethological Embedding

Published on: October 3, 2025

Task context is broadly encoded in the human brain.

Haley Keglovits1, Robert Zielinski2, Apoorva Bhandari1

  • 1Department of Cognitive and Psychological Sciences, Brown University.

Biorxiv : the Preprint Server for Biology
|June 4, 2026

View abstract on PubMed

Summary
This summary is machine-generated.

Task context is widely broadcast across the brain, not just in the dorsolateral prefrontal cortex (DLPFC). This widespread neural coding supports a context broadcast model for cognitive control.

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Area of Science:

  • Cognitive Neuroscience
  • Neuroimaging
  • Computational Neuroscience

Background:

  • Cognitive control relies on task context as a top-down influence.
  • The dorsolateral prefrontal cortex (DLPFC) is theorized to maintain and deploy context.
  • How task context information propagates and is utilized remains unclear.

Purpose of the Study:

  • To test hypotheses regarding context propagation: direct influence versus widespread broadcast.
  • To investigate neural representations of task context during a hierarchical rule task.

Main Methods:

  • Analysis of a large multisession fMRI dataset.
  • Comparison of a hierarchical rule task with a non-hierarchical control task.
  • Examination of cortex-wide activity patterns and network interactions.

Main Results:

  • Superordinate task context was robustly and widely coded across all large-scale cortical networks.
  • Context accounted for the most variance in cortex-wide activity.
  • Integration of context with other task features occurred in specific regions, including attentional and visual streams.

Conclusions:

  • Results support a context broadcast model, where context is widely available throughout the cortex.
  • Contextual information is integrated with local processing in task-relevant areas.
  • This challenges the notion that DLPFC solely dictates context-dependent processing.