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Related Concept Videos

Sequence Networks of Rotating Machines01:24

Sequence Networks of Rotating Machines

A Y-connected synchronous generator, grounded through a neutral impedance, is designed to produce balanced internal phase voltages with only positive-sequence components. The generator's sequence networks include a source voltage that is exclusively in the positive-sequence network. The sequence components of line-to-ground voltages at the generator terminals illustrate this configuration.
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Per-Unit Sequence Models01:26

Per-Unit Sequence Models

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Related Experiment Video

Updated: Jun 13, 2026

Modeling the Functional Network for Spatial Navigation in the Human Brain
05:55

Modeling the Functional Network for Spatial Navigation in the Human Brain

Published on: October 13, 2023

Internal representation of hierarchical sequences involves the default network.

Baxter P Rogers1, Suzanne N Avery, Stephan Heckers

  • 1Institute of Imaging Science, Vanderbilt University, Nashville, TN, USA. baxter.rogers@vanderbilt.edu

BMC Neuroscience
|April 29, 2010
PubMed
Summary
This summary is machine-generated.

The default network and fronto-parietal network show increased functional connectivity when processing sequential information, suggesting the default network aids in maintaining internal models for tasks like transitive inference.

Related Experiment Videos

Last Updated: Jun 13, 2026

Modeling the Functional Network for Spatial Navigation in the Human Brain
05:55

Modeling the Functional Network for Spatial Navigation in the Human Brain

Published on: October 13, 2023

Area of Science:

  • Neuroscience
  • Cognitive Neuroscience
  • Functional Neuroimaging

Background:

  • The default network (DN) deactivates during attention-demanding tasks and shows anti-correlations with fronto-parietal networks.
  • DN regions are linked to introspection, self-awareness, theory of mind, and episodic memory.

Purpose of the Study:

  • Investigate the functional connectivity between the default network and fronto-parietal network during a transitive inference task.
  • Determine if the DN's role extends to processing implicit sequential information.

Main Methods:

  • Utilized psycho-physiological interaction (PPI) analysis to examine functional connectivity.
  • Employed a paired image discrimination task with sequences (A>B>C>D>E) and independent pairs (F>G, H>J).

Main Results:

  • Functional connectivity between fronto-parietal and default network regions was higher for sequence-derived image pairs compared to independent pairs.
  • This heightened connectivity was observed for both learned and novel sequence pairs.

Conclusions:

  • Default network regions appear to maintain internal models supporting sequence discrimination.
  • The DN contributes to introspective access of learned sequence models.
  • The default network may interact dynamically with other networks rather than having a single fixed function.