Evidence map›Paper›PMID 17035545›Full record

ArticleThe Journal of neuroscience : the official journal of the Society for Neuroscience2006

Ubiquitous and temperature-dependent neural plasticity in hibernators.

Christina G von der Ohe, Corinna Darian-Smith, Craig C Garner, H Craig Heller

Open access · bronzeAbstract readComparative Study
In one paragraph

Article in The Journal of neuroscience : the official journal of the Society for Neuroscience, 2006. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 73 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
73citing papers in PubMed, 1 pooled it
8.4field-weighted citation impact, top 3% 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

73 citing papers in PubMed, 1 synthesis or guideline pooled it, 159 citations in OpenAlex.

  1. Pooled it
  2. Article
  3. Article
  4. Review
  5. Review
  6. Pronounced Neuroplasticity in the Primary Visual Cortex of the 13-Lined Ground Squirrel during Hibernation.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2026
    Article
  7. Effects of natural deep hypothermia on cognitive abilities in mammals: hibernators and neonates.Journal of comparative physiology. B, Biochemical, systemic, and environmental physiology · 2026
    Review
  8. Article
  9. Article
  10. Review
  11. Article
  12. Review
  13. Article
  14. Article
  15. Seasonal fluctuations in BDNF regulate hibernation and torpor in golden-mantled ground squirrels.American journal of physiology. Regulatory, integrative and comparative physiology · 2024
    Article
  16. How did I come to sleep research and stay there?Sleep advances : a journal of the Sleep Research Society · 2024
    Article
  17. Review
  18. Article
  19. Article
  20. Article

13 more citing papers are in PubMed but not listed here.

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

4 authors at 1 institution in 1 country.

Christina G von der OheDepartment of Biological Sciences, Stanford University, Stanford, California 94305-5020, USA. vonderohe@stanford.edu
Corinna Darian-Smith
Craig C Garner
H Craig Heller
Stanford University · US

Funding

The hibernator as a model system for neural plasticityR21NS051128 · NINDS · STANFORD UNIVERSITY · PI HELLER, H CRAIG · 2005 to 2006
$285k
NINDS NIH HHS R21 NS051128NINDS NIH HHS R21 NS051128-01A1
6 · The paper itself

Abstract

Hibernating mammals are remarkable for surviving near-freezing brain temperatures and near cessation of neural activity for a week or more at a time. This extreme physiological state is associated with dendritic and synaptic changes in hippocampal neurons. Here, we investigate whether these changes are a ubiquitous phenomenon throughout the brain that is driven by temperature. We iontophoretically injected Lucifer yellow into several types of neurons in fixed slices from hibernating ground squirrels. We analyzed neuronal microstructure from animals at several stages of torpor at two different ambient temperatures, and during the summer. We show that neuronal cell bodies, dendrites, and spines from several cell types in hibernating ground squirrels retract on entry into torpor, change little over the course of several days, and then regrow during the 2 h return to euthermia. Similar structural changes take place in neurons from the hippocampus, cortex, and thalamus, suggesting a global phenomenon. Investigation of neural microstructure from groups of animals hibernating at different ambient temperatures revealed that there is a linear relationship between neural retraction and minimum body temperature. Despite significant temperature-dependent differences in extent of retraction during torpor, recovery reaches the same final values of cell body area, dendritic arbor complexity, and spine density. This study demonstrates large-scale and seemingly ubiquitous neural plasticity in the ground squirrel brain during torpor. It also defines a temperature-driven model of dramatic neural plasticity, which provides a unique opportunity to explore mechanisms of large-scale regrowth in adult mammals, and the effects of remodeling on learning and memory.

Indexed as

TemperatureAnimalsBody TemperatureHibernationNeuronal PlasticitySciuridaeThalamusTime Factors

Identifiers

PMID17035545
PMCPMC6674705
OpenAlexW2005829018

What OpenQuestion holds

Textmetadata
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.