Evidence map›Paper›PMID 34193043›Full record

ArticleThe journal of physiological sciences : JPS2021

The olfactory bulb modulates entorhinal cortex oscillations during spatial working memory.

Morteza Salimi, Farhad Tabasi, Milad Nazari, Sepideh Ghazvineh, Alireza Salimi, Hamidreza Jamaati, Mohammad Reza Raoufy

Open access · goldAbstract read
In one paragraph

Article in The journal of physiological sciences : JPS, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.

0numbers the graph read from it
0cells of the map it votes in
15citing papers in PubMed
2.9field-weighted citation impact, top 8% 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

15 citing papers in PubMed, 29 citations in OpenAlex.

  1. Article
  2. Review
  3. Distinct brain regions map olfactory and visual spaces.bioRxiv : the preprint server for biology · 2025
    Article
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  6. Promoting arousal associated with physical activity with the vitamin BThe journal of physiological sciences : JPS · 2024
    Article
  7. Review
  8. Article
  9. Article
  10. Review
  11. Article
  12. Migraine with aura: less control over pain and fragrances?The journal of headache and pain · 2023
    Article
  13. Article
  14. Article
  15. Article
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

7 authors at 3 institutions in 1 country.

Morteza SalimiDepartment of Physiology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran.
Farhad TabasiDepartment of Physiology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran.
Milad NazariElectrical Engineering Department, Sharif University of Technology, Tehran, Iran.
Sepideh GhazvinehDepartment of Physiology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran.
Alireza SalimiChronic Respiratory Diseases Research Center, National Research Institute of Tuberculosis and Lung Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
Hamidreza JamaatiChronic Respiratory Diseases Research Center, National Research Institute of Tuberculosis and Lung Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
Mohammad Reza RaoufyDepartment of Physiology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran. raoufy@modares.ac.ir.ORCID http://orcid.org/0000-0002-9292-8564
Tarbiat Modares University · IRMasih Daneshvari Hospital · IRSharif University of Technology · IR

Funding

Tarbiat Modares University IG-39709
6 · The paper itself

Abstract

Cognitive functions such as working memory require integrated activity among different brain regions. Notably, entorhinal cortex (EC) activity is associated with the successful working memory task. Olfactory bulb (OB) oscillations are known as rhythms that modulate rhythmic activity in widespread brain regions during cognitive tasks. Since the OB is structurally connected to the EC, we hypothesized that OB could modulate EC activity during working memory performance. Herein, we explored OB-EC functional connectivity during spatial working memory performance by simultaneous recording local field potentials when rats performed a Y-maze task. Our results showed that the coherence of delta, theta, and gamma-band oscillations between OB and EC was increased during correct trials compared to wrong trials. Cross-frequency coupling analyses revealed that the modulatory effect of OBs low-frequency phase on EC gamma power and phase was enhanced when animals correctly performed working memory task. The influx of information from OB to EC was also increased at delta and gamma bands within correct trials. These findings indicated that the modulatory influence of OB rhythms on EC oscillations might be necessary for successful working memory performance.

Indexed as

AnimalsBrain WavesEntorhinal CortexMaleMaze LearningMemory, Short-TermOlfactory BulbRatsRats, WistarSpatial MemoryEntorhinal cortexFunctional connectivityOlfactory bulbWorking memory

Identifiers

PMID34193043
PMCPMC10717170
OpenAlexW3176248180

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.