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Super-resolution 2-photon microscopy reveals that the morphology of each dendritic spine correlates with diffusive but not synaptic properties

Overview of attention for article published in Frontiers in Neuroanatomy, May 2014
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Title
Super-resolution 2-photon microscopy reveals that the morphology of each dendritic spine correlates with diffusive but not synaptic properties
Published in
Frontiers in Neuroanatomy, May 2014
DOI 10.3389/fnana.2014.00029
Pubmed ID
Authors

Kevin Takasaki, Bernardo L. Sabatini

Abstract

The structure of dendritic spines suggests a specialized function in compartmentalizing synaptic signals near active synapses. Indeed, theoretical and experimental analyses indicate that the diffusive resistance of the spine neck is sufficient to effectively compartmentalize some signaling molecules in a spine for the duration of their activated lifetime. Here we describe the application of 2-photon microscopy combined with stimulated emission depletion (STED-2P) to the biophysical study of the relationship between synaptic signals and spine morphology, demonstrating the utility of combining STED-2P with modern optical and electrophysiological techniques. Morphological determinants of fluorescence recovery time were identified and evaluated within the context of a simple compartmental model describing diffusive transfer between spine and dendrite. Correlations between the neck geometry and the amplitude of synaptic potentials and calcium transients evoked by 2-photon glutamate uncaging were also investigated.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 145 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
United States 4 3%
Germany 3 2%
France 1 <1%
Unknown 137 94%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 38 26%
Researcher 34 23%
Professor 12 8%
Professor > Associate Professor 9 6%
Student > Bachelor 9 6%
Other 25 17%
Unknown 18 12%
Readers by discipline Count As %
Agricultural and Biological Sciences 53 37%
Neuroscience 44 30%
Physics and Astronomy 9 6%
Engineering 6 4%
Biochemistry, Genetics and Molecular Biology 5 3%
Other 7 5%
Unknown 21 14%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 01 July 2014.
All research outputs
#18,372,841
of 22,756,196 outputs
Outputs from Frontiers in Neuroanatomy
#920
of 1,159 outputs
Outputs of similar age
#164,263
of 227,503 outputs
Outputs of similar age from Frontiers in Neuroanatomy
#15
of 17 outputs
Altmetric has tracked 22,756,196 research outputs across all sources so far. This one is in the 11th percentile – i.e., 11% of other outputs scored the same or lower than it.
So far Altmetric has tracked 1,159 research outputs from this source. They typically receive more attention than average, with a mean Attention Score of 8.9. This one is in the 13th percentile – i.e., 13% of its peers scored the same or lower than it.
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We're also able to compare this research output to 17 others from the same source and published within six weeks on either side of this one. This one is in the 1st percentile – i.e., 1% of its contemporaries scored the same or lower than it.