Evidence map›Paper›PMID 32350337›Full record

ArticleScientific reports2020

The effect of monocular occlusion on hippocampal c-Fos expression in domestic chicks (Gallus gallus).

Anastasia Morandi-Raikova, Uwe Mayer

Abstract read
In one paragraph

Article in Scientific reports, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.

0numbers the graph read from it
0cells of the map it votes in
16citing 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

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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

16 citing papers in PubMed.

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  5. Noncortical coding of biological motion in newborn chicks' brain.Cerebral cortex (New York, N.Y. : 1991) · 2024
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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

2 authors.

Anastasia Morandi-RaikovaCenter for Mind/Brain Sciences, University of Trento, Trento, Italy.
Uwe MayerCenter for Mind/Brain Sciences, University of Trento, Trento, Italy. uwe.mayer@unitn.it.ORCID http://orcid.org/0000-0001-6841-0282

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

In birds, like in mammals, the hippocampus is particularly sensitive to exposure to novel environments, a function that is based on visual input. Chicks' eyes are placed laterally and their optic fibers project mainly to the contralateral brain hemispheres, with only little direct interhemispheric coupling. Thus, monocular occlusion has been frequently used in chicks to document functional specialization of the two hemispheres. However, we do not know whether monocular occlusion influences hippocampal activation. The aim of the present work was to fill this gap by directly testing this hypothesis. To induce hippocampal activation, chicks were exposed to a novel environment with their left or right eye occluded, or in conditions of binocular vision. Their hippocampal expression of c-Fos (neural activity marker) was compared to a baseline group that remained in a familiar environment. Interestingly, while the hippocampal activation in the two monocular groups was not different from the baseline, it was significantly higher in the binocular group exposed to the novel environment. This suggest that the representation of environmental novelty in the hippocampus of domestic chicks involves strong binocular integration.

Indexed as

AnimalsAvian ProteinsChickensHippocampusProto-Oncogene Proteins c-fosSpace PerceptionVision, BinocularVision, MonocularAvian ProteinsProto-Oncogene Proteins c-fos

Identifiers

PMID32350337
PMCPMC7190859

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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.