Evidence map›Paper›PMID 32707066›Full record

ArticleCurrent biology : CB2020

Altered Hippocampal Place Cell Representation and Theta Rhythmicity following Moderate Prenatal Alcohol Exposure.

Ryan E Harvey, Laura E Berkowitz, Daniel D Savage, Derek A Hamilton, Benjamin J Clark

Open access · bronzeAbstract read
In one paragraph

Article in Current biology : CB, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.

0numbers the graph read from it
0cells of the map it votes in
17citing papers in PubMed
2.6field-weighted citation impact, top 11% of its field
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

17 citing papers in PubMed, 21 citations in OpenAlex.

  1. Assessment of GABANeuroscience letters · 2026
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  11. The histamine HAlcohol (Fayetteville, N.Y.) · 2024
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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

5 authors at 1 institution in 1 country.

Ryan E HarveyDepartment of Psychology, University of New Mexico, 2001 Redondo S Drive, Albuquerque, NM 87106, USA.
Laura E BerkowitzDepartment of Psychology, University of New Mexico, 2001 Redondo S Drive, Albuquerque, NM 87106, USA.
Daniel D SavageDepartment of Psychology, University of New Mexico, 2001 Redondo S Drive, Albuquerque, NM 87106, USA; Department of Neurosciences, University of New Mexico, 900 Camino de Salud, Albuquerque, NM 87131, USA.
Derek A HamiltonDepartment of Psychology, University of New Mexico, 2001 Redondo S Drive, Albuquerque, NM 87106, USA; Department of Neurosciences, University of New Mexico, 900 Camino de Salud, Albuquerque, NM 87131, USA.
Benjamin J ClarkDepartment of Psychology, University of New Mexico, 2001 Redondo S Drive, Albuquerque, NM 87106, USA; Department of Neurosciences, University of New Mexico, 900 Camino de Salud, Albuquerque, NM 87131, USA. Electronic address: bnjclark@unm.edu.
University of New Mexico · US

Funding

Understanding neurophysiological deficits in response inhibition in children with FASDP50AA022534 · NIAAA · UNIVERSITY OF NEW MEXICO HEALTH SCIS CTR · PI Carlos Fernando Valenzuela · 2014 to 2026
$21.5M
Alcohol Research Training in NeurosciencesT32AA014127 · NIAAA · UNIVERSITY OF NEW MEXICO HEALTH SCIS CTR · PI Jonathan L Brigman · 2003 to 2026
$3.3M
Prenatal Alcohol Exposure and Neural Representations of SpaceR21AA024983 · NIAAA · UNIVERSITY OF NEW MEXICO · PI CLARK, BENJAMIN J, HAMILTON, DEREK A. · 2017 to 2018
$398k
NIAAA NIH HHS P50 AA022534NIAAA NIH HHS R21 AA024983NIAAA NIH HHS T32 AA014127
6 · The paper itself

Abstract

Prenatal alcohol exposure (PAE) leads to profound deficits in spatial memory and synaptic and cellular alterations to the hippocampus that last into adulthood. Neurons in the hippocampus called place cells discharge as an animal enters specific places in an environment, establish distinct ensemble codes for familiar and novel places, and are modulated by local theta rhythms. Spatial memory is thought to critically depend on the integrity of hippocampal place cell firing. Therefore, we tested the hypothesis that hippocampal place cell firing is impaired after PAE by performing in vivo recordings from the hippocampi (CA1 and CA3) of moderate PAE and control adult rats. Our results show that hippocampal CA3 neurons from PAE rats have reduced spatial tuning. Second, CA1 and CA3 neurons from PAE rats are less likely to orthogonalize their firing between directions of travel on a linear track and between changes in contextual stimuli in an open arena compared to control neurons. Lastly, reductions in the number of hippocampal place cells exhibiting significant theta rhythmicity and phase precession were observed, which may suggest changes to hippocampal microcircuit function. Together, the reduced spatial tuning and sensitivity to contextual changes provide a neural systems-level mechanism to explain spatial memory impairment after moderate PAE.

Indexed as

Action PotentialsAlcohol DrinkingAnimalsCA1 Region, HippocampalCA3 Region, HippocampalFemaleMaleMaternal ExposureNeuronsPregnancyPrenatal Exposure Delayed EffectsRatsRats, Long-EvansSpatial MemoryTheta Rhythmfetal alcohol spectrum disorderhippocampuslearningmemorynavigationplace cellspatial cognition

Identifiers

PMID32707066
PMCPMC7511441
OpenAlexW3043853885

What OpenQuestion holds

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Registered trials

None linked

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.