ReviewFrontiers in systems neuroscience2015
Theta variation and spatiotemporal scaling along the septotemporal axis of the hippocampus.
Review in Frontiers in systems neuroscience, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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Who cites it
14 citing papers in PubMed.
- Theta oscillations optimize a speed-precision trade-off in phase coding neurons.PLoS computational biology · 2024Article
- Memory-related processing is the primary driver of human hippocampal theta oscillations.Neuron · 2023Article
- Adapting hippocampus multi-scale place field distributions in cluttered environments optimizes spatial navigation and learning.Frontiers in computational neuroscience · 2022Article
- Functionally distinct high and low theta oscillations in the human hippocampus.Nature communications · 2020Article
- Article
- Interdependence between dorsal and ventral hippocampus during spatial navigation.Brain and behavior · 2019Article
- Article
- Memory integration constructs maps of space, time, and concepts.Current opinion in behavioral sciences · 2017Article
- Abstraction and generalization in statistical learning: implications for the relationship between semantic types and episodic tokens.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2017Review
- Article
- Impaired Recall of Positional Memory following Chemogenetic Disruption of Place Field Stability.Cell reports · 2016Article
- Movement Enhances the Nonlinearity of Hippocampal Theta.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2016Article
- Theta-rhythmic drive between medial septum and hippocampus in slow-wave sleep and microarousal: a Granger causality analysis.Journal of neurophysiology · 2015Article
- A Prefrontal-Hippocampal Comparator for Goal-Directed Behavior: The Intentional Self and Episodic Memory.Frontiers in behavioral neuroscience · 2015Article
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Authors and funding
3 authors.
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No grant is acknowledged in the PubMed record.
Abstract
Hippocampal theta has been related to locomotor speed, attention, anxiety, sensorimotor integration and memory among other emergent phenomena. One difficulty in understanding the function of theta is that the hippocampus (HPC) modulates voluntary behavior at the same time that it processes sensory input. Both functions are correlated with characteristic changes in theta indices. The current review highlights a series of studies examining theta local field potential (LFP) signals across the septotemporal or longitudinal axis of the HPC. While the theta signal is coherent throughout the entirety of the HPC, the amplitude, but not the frequency, of theta varies significantly across its three-dimensional expanse. We suggest that the theta signal offers a rich vein of information about how distributed neuronal ensembles support emergent function. Further, we speculate that emergent function across the long axis varies with respect to spatiotemporal scale. Thus, septal HPC processes details of the proximal spatiotemporal environment while more temporal aspects process larger spaces and wider time-scales. The degree to which emergent functions are supported by the synchronization of theta across the septotemporal axis is an open question. Our working model is that theta synchrony serves to bind ensembles representing varying resolutions of spatiotemporal information at interdependent septotemporal areas of the HPC. Such synchrony and cooperative interactions along the septotemporal axis likely support memory formation and subsequent consolidation and retrieval.
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