Evidence map›Paper›PMID 25891402›Full record

ArticleCurrent biology : CB2015

Alterations of hippocampal place cells in foraging rats facing a "predatory" threat.

Eun Joo Kim, Mijeong Park, Mi-Seon Kong, Sang Geon Park, Jeiwon Cho, Jeansok J Kim

Open access · bronzeAbstract read
In one paragraph

Article in Current biology : CB, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 33 papers.

0numbers the graph read from it
0cells of the map it votes in
33citing papers in PubMed
2.6field-weighted citation impact, top 10% 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

33 citing papers in PubMed, 68 citations in OpenAlex.

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  18. Shaping social behavior in an enriched environment.Frontiers in behavioral neuroscience · 2022
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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

6 authors at 2 institutions in 2 countries.

Eun Joo KimDepartment of Psychology, University of Washington, 3921 West Stevens Way Northeast, Seattle, WA 98195-1525, USA.
Mijeong ParkCenter for Neural Science, Korea Institute of Science and Technology, 5 Hwarang-ro 14-gil, Seongbuk-gu, Seoul 136-791, Korea; Neuroscience Program, Korea University of Science and Technology, 217 Gajeong-ro, Daejeon 305-701, Korea.
Mi-Seon KongDepartment of Psychology, University of Washington, 3921 West Stevens Way Northeast, Seattle, WA 98195-1525, USA.
Sang Geon ParkCenter for Neural Science, Korea Institute of Science and Technology, 5 Hwarang-ro 14-gil, Seongbuk-gu, Seoul 136-791, Korea.
Jeiwon ChoCenter for Neural Science, Korea Institute of Science and Technology, 5 Hwarang-ro 14-gil, Seongbuk-gu, Seoul 136-791, Korea; Neuroscience Program, Korea University of Science and Technology, 217 Gajeong-ro, Daejeon 305-701, Korea. Electronic address: jeiwon@kist.re.kr.
Jeansok J KimDepartment of Psychology, University of Washington, 3921 West Stevens Way Northeast, Seattle, WA 98195-1525, USA; Program in Neuroscience, University of Washington, 3921 West Stevens Way Northeast, Seattle, WA 98195-1525, USA. Electronic address: jeansokk@u.washington.edu.
Korea Institute of Science and Technology · KRUniversity of Washington · US

Funding

Fear and Natural Risky Decisions in RatsR01MH099073 · NIMH · UNIVERSITY OF WASHINGTON · PI KIM, JEANSOK JOHN · 2013 to 2022
$3.9M
NIMH NIH HHS MH099073NIMH NIH HHS R01 MH099073
6 · The paper itself

Abstract

Fear is an adaptive mechanism evolved to influence the primal decisions of foragers in "approach resource-avoid predator" conflicts. To survive and reproduce, animals must attain the basic needs (food, water, shelter, and mate) while avoiding the ultimate cost of predation. Consistent with this view, ecological studies have found that predatory threats cause animals to limit foraging to fewer places in their habitat and/or to restricted times. However, the neurophysiological basis through which animals alter their foraging boundaries when confronted with danger remains largely unknown. Here, we investigated place cells in the hippocampus, implicated in processing spatial information and memory, in male Long-Evans rats foraging for food under risky situations that would be common in nature. Specifically, place cells from dorsal cornu ammonis field 1 (CA1) were recorded while rats searched for food in a semi-naturalistic apparatus (consisting of a nest and a relatively large open area) before, during, and after encountering a "predatory" robot situated remotely from the nest. The looming robot induced remapping of place fields and increased the theta rhythm as the animals advanced toward the vicinity of threat, but not when they were around the safety of the nest. These neurophysiological effects on the hippocampus were prevented by lesioning of the amygdala. Based on these findings, we suggest that the amygdalar signaling of fear influences the stability of hippocampal place cells as a function of threat distance in rats foraging for food.

Indexed as

AmygdalaAnimalsBehavior, AnimalFeeding BehaviorHippocampusHungerMaleNeurophysiologyPredatory BehaviorRats, Long-EvansRoboticsSpatial Memory

Identifiers

PMID25891402
PMCPMC4439350
OpenAlexW2078527298

What OpenQuestion holds

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Read underepoch 390

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.