Evidence map›Paper›PMID 26691829›Full record

ArticleNature neuroscience2016

Thalamus provides layer 4 of primary visual cortex with orientation- and direction-tuned inputs.

Wenzhi Sun, Zhongchao Tan, Brett D Mensh, Na Ji

Abstract read
In one paragraph

Article in Nature neuroscience, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 153 papers.

0numbers the graph read from it
0cells of the map it votes in
153citing 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

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

153 citing papers in PubMed.

  1. Long-term effects of adolescent risperidone treatment on the mouse cortex.Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology · 2026
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93 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.

Wenzhi SunJanelia Research Campus, Howard Hughes Medical Institute, Ashburn, Virginia, USA.
Zhongchao TanJanelia Research Campus, Howard Hughes Medical Institute, Ashburn, Virginia, USA.
Brett D MenshJanelia Research Campus, Howard Hughes Medical Institute, Ashburn, Virginia, USA.
Na JiJanelia Research Campus, Howard Hughes Medical Institute, Ashburn, Virginia, USA.

Funding

Howard Hughes Medical Institute
6 · The paper itself

Abstract

Understanding the functions of a brain region requires knowing the neural representations of its myriad inputs, local neurons and outputs. Primary visual cortex (V1) has long been thought to compute visual orientation from untuned thalamic inputs, but very few thalamic inputs have been measured in any mammal. We determined the response properties of ∼ 28,000 thalamic boutons and ∼ 4,000 cortical neurons in layers 1-5 of awake mouse V1. Using adaptive optics that allows accurate measurement of bouton activity deep in cortex, we found that around half of the boutons in the main thalamorecipient L4 carried orientation-tuned information and that their orientation and direction biases were also dominant in the L4 neuron population, suggesting that these neurons may inherit their selectivity from tuned thalamic inputs. Cortical neurons in all layers exhibited sharper tuning than thalamic boutons and a greater diversity of preferred orientations. Our results provide data-rich constraints for refining mechanistic models of cortical computation.

Indexed as

AlgorithmsAnimalsBrain MappingMaleMiceMice, Inbred C57BLMicroscopy, ConfocalNerve NetNeuroimagingNeuronsOrientationPhotic StimulationPresynaptic TerminalsThalamusVisual CortexVisual Pathways

Identifiers

PMID26691829
PMCPMC4731241

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Registered trials

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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.