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Related Experiment Video

Updated: Jul 3, 2026

Optogenetic Entrainment of Hippocampal Theta Oscillations in Behaving Mice
07:33

Optogenetic Entrainment of Hippocampal Theta Oscillations in Behaving Mice

Published on: June 29, 2018

Hippocampal theta sweeps indicate goal direction during navigation.

Changmin Yu1,2, Zilong Ji3,4, Jake Ormond5,6

  • 1Computational and Biological Learning Lab, Department of Engineering, University of Cambridge, Cambridge, UK. changmin.yu98@gmail.com.

Nature Neuroscience
|July 1, 2026
PubMed
Summary

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Hippocampal theta sweeps, sequential place cell activations, direct goal-directed navigation. These brain signals predict future paths toward remembered locations, independent of movement, guiding spatial planning.

Area of Science:

  • Neuroscience
  • Cognitive Science
  • Computational Neuroscience

Background:

  • Spatial navigation relies on predicting future trajectories.
  • Hippocampal theta sweeps (sequential place cell activation) show potential for this predictive role.
  • The precise function of theta sweeps—movement, perception, or planning—remains unclear.

Purpose of the Study:

  • To determine if hippocampal theta sweeps encode goal-directed spatial planning.
  • To investigate the relationship between theta sweeps and navigational choices.
  • To model the neural mechanisms underlying goal-directed planning using theta sweeps.

Main Methods:

  • Utilized the 'Honeycomb' maze to decouple head, movement, and goal directions in rats.
  • Recorded hippocampal place cell activity during spatial navigation tasks.

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A Video Demonstration of Preserved Piloting by Scent Tracking but Impaired Dead Reckoning After Fimbria-Fornix Lesions in the Rat
08:37

A Video Demonstration of Preserved Piloting by Scent Tracking but Impaired Dead Reckoning After Fimbria-Fornix Lesions in the Rat

Published on: April 24, 2009

Related Experiment Videos

Last Updated: Jul 3, 2026

Optogenetic Entrainment of Hippocampal Theta Oscillations in Behaving Mice
07:33

Optogenetic Entrainment of Hippocampal Theta Oscillations in Behaving Mice

Published on: June 29, 2018

A Video Demonstration of Preserved Piloting by Scent Tracking but Impaired Dead Reckoning After Fimbria-Fornix Lesions in the Rat
08:37

A Video Demonstration of Preserved Piloting by Scent Tracking but Impaired Dead Reckoning After Fimbria-Fornix Lesions in the Rat

Published on: April 24, 2009

  • Developed and tested a hierarchical continuous attractor network model.

    • Main Results:

    • Theta sweeps consistently formed vectors toward remembered goal locations, irrespective of movement or heading.
    • Increased goal modulation in theta sweeps correlated with accurate navigational decisions.
    • Model simulations accurately reproduced empirical findings and predicted new ones.
    • Sequential activity during sharp-wave ripples also demonstrated goal-directedness.

    Conclusions:

    • Hippocampal theta sweeps are crucial neural substrates for online, goal-directed spatial planning.
    • Theta sweeps provide a mechanism for representing and updating future trajectories based on goals.
    • Findings challenge previous interpretations of theta sweep function, emphasizing their planning role.