Evidence map›Paper›PMID 23678110›Full record

ArticleThe Journal of neuroscience : the official journal of the Society for Neuroscience2013

Novelty and anxiolytic drugs dissociate two components of hippocampal theta in behaving rats.

Christine E Wells, Doran P Amos, Ali Jeewajee, Vincent Douchamps, John Rodgers, John O'Keefe, Neil Burgess, Colin Lever

Abstract read
In one paragraph

Article in The Journal of neuroscience : the official journal of the Society for Neuroscience, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 58 papers.

0numbers the graph read from it
0cells of the map it votes in
58citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

58 citing papers in PubMed.

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  5. Review
  6. Anxiety and Beyond: Diversity in Ventral Hippocampus Circuits and Function.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2025
    Review
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

8 authors.

Christine E WellsInstitute of Psychological Sciences, University of Leeds, Leeds LS2 9JT, United Kingdom.
Doran P Amos
Ali Jeewajee
Vincent Douchamps
John Rodgers
John O'Keefe
Neil Burgess
Colin Lever

Funding

Biotechnology and Biological Sciences Research Council BB/G01342X/1Medical Research Council G1000854Wellcome Trust 095811
6 · The paper itself

Abstract

Hippocampal processing is strongly implicated in both spatial cognition and anxiety and is temporally organized by the theta rhythm. However, there has been little attempt to understand how each type of processing relates to the other in behaving animals, despite their common substrate. In freely moving rats, there is a broadly linear relationship between hippocampal theta frequency and running speed over the normal range of speeds used during foraging. A recent model predicts that spatial-translation-related and arousal/anxiety-related mechanisms of hippocampal theta generation underlie dissociable aspects of the theta frequency-running speed relationship (the slope and intercept, respectively). Here we provide the first confirmatory evidence: environmental novelty decreases slope, whereas anxiolytic drugs reduce intercept. Variation in slope predicted changes in spatial representation by CA1 place cells and novelty-responsive behavior. Variation in intercept predicted anxiety-like behavior. Our findings isolate and doubly dissociate two components of theta generation that operate in parallel in behaving animals and link them to anxiolytic drug action, novelty, and the metric for self-motion.

Indexed as

Analysis of VarianceAnimalsAnti-Anxiety AgentsAnxietyBody TemperatureDisease Models, AnimalDose-Response Relationship, DrugElectroencephalographyEvoked PotentialsExploratory BehaviorHippocampusMaleRatsSpace PerceptionTheta RhythmTime FactorsAnti-Anxiety Agents

Identifiers

PMID23678110
PMCPMC3715395

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.