ArticleNature communications2023
Functional MRI reveals brain-wide actions of thalamically-initiated oscillatory activities on associative memory consolidation.
Article in Nature communications, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed.
- Voxel-accurate MRI-microscopy Correlation Enables AI-powered Prediction of Brain Disease States.Theranostics · 2026Article
- A feasible probability and graph model for memory engrams.Frontiers in computational neuroscience · 2026Article
- Brain-wide resting-state fMRI network dynamics elicited by activation of single thalamic input.Nature communications · 2025Article
- Switching Patterns of Cortical-Subcortical Interaction in the Human Brain.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2025Article
- Brain-Wide Spatiotemporally Distinct Traveling Waves Drive Anxiety-Like Behaviors in Mice.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
- Neuromodulation in Small Animal fMRI.Journal of magnetic resonance imaging : JMRI · 2025Review
- Elucidating hemodynamics and neuro-glio-vascular signaling using rodent fMRI.Trends in neurosciences · 2025Review
- Charting the path in rodent functional neuroimaging.Imaging neuroscience (Cambridge, Mass.) · 2025Article
- Optogenetic stimulation of cell bodies versus axonal terminals generate comparable activity and functional connectivity patterns in the brain.Brain stimulationArticle
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
As a key oscillatory activity in the brain, thalamic spindle activities are long believed to support memory consolidation. However, their propagation characteristics and causal actions at systems level remain unclear. Using functional MRI (fMRI) and electrophysiology recordings in male rats, we found that optogenetically-evoked somatosensory thalamic spindle-like activities targeted numerous sensorimotor (cortex, thalamus, brainstem and basal ganglia) and non-sensorimotor limbic regions (cortex, amygdala, and hippocampus) in a stimulation frequency- and length-dependent manner. Thalamic stimulation at slow spindle frequency (8 Hz) and long spindle length (3 s) evoked the most robust brain-wide cross-modal activities. Behaviorally, evoking these global cross-modal activities during memory consolidation improved visual-somatosensory associative memory performance. More importantly, parallel visual fMRI experiments uncovered response potentiation in brain-wide sensorimotor and limbic integrative regions, especially superior colliculus, periaqueductal gray, and insular, retrosplenial and frontal cortices. Our study directly reveals that thalamic spindle activities propagate in a spatiotemporally specific manner and that they consolidate associative memory by strengthening multi-target memory representation.
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