Evidence map›Paper›PMID 27631541›Full record

ArticleNeuroreport2016

Structural and functional correlates of visual field asymmetry in the human brain by diffusion kurtosis MRI and functional MRI.

Caitlin O'Connell, Leon C Ho, Matthew C Murphy, Ian P Conner, Gadi Wollstein, Rakie Cham, Kevin C Chan

Abstract read
In one paragraph

Article in Neuroreport, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.

0numbers the graph read from it
0cells of the map it votes in
14citing 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

14 citing papers in PubMed.

  1. Article
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  3. Visual adaptation stronger at the horizontal than the vertical meridian: Linking performance with V1 cortical surface area.Proceedings of the National Academy of Sciences of the United States of America · 2025
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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

7 authors.

Caitlin O'ConnellaUPMC Eye Center, Ophthalmology and Visual Science Research Center, Department of Ophthalmology, School of Medicine bDepartment of Bioengineering, Swanson School of Engineering cNeuroImaging Laboratory, University of Pittsburgh dLouis J. Fox Center for Vision Restoration eMcGowan Institute for Regenerative Medicine, University of Pittsburgh and UPMC fCenter for the Neural Basis of Cognition, University of Pittsburgh and Carnegie Mellon University, Pittsburgh, Pennsylvania, USA gDepartment of Electrical and Electronic Engineering, The University of Hong Kong, Pokfulam, Hong Kong, China.
Leon C Ho
Matthew C Murphy
Ian P Conner
Gadi Wollstein
Rakie Cham
Kevin C Chan

Funding

VARIABILITY, STABILITY & SMOOTHNESS OF WALKINGP30AG024827 · NIA · UNIVERSITY OF PITTSBURGH AT PITTSBURGH · PI Caterina Rosano · 2004 to 2026
$28.6M
Virus Production and Manipulation of Protein/Gene Expression ModuleP30EY008098 · NEI · UNIVERSITY OF PITTSBURGH AT PITTSBURGH · PI Ethan A Rossi · 1989 to 2026
$17.8M
Interdisciplinary Visual Sciences (IVS) Traininig ProgramT32EY017271 · NEI · UNIVERSITY OF PITTSBURGH AT PITTSBURGH · PI Marlene Behrmann, Paul R. Kinchington · 2008 to 2026
$3.6M
NEI NIH HHS P30 EY008098NEI NIH HHS T32 EY017271NIA NIH HHS P30 AG024827
6 · The paper itself

Abstract

Human visual performance has been observed to show superiority in localized regions of the visual field across many classes of stimuli. However, the underlying neural mechanisms remain unclear. This study aims to determine whether the visual information processing in the human brain is dependent on the location of stimuli in the visual field and the corresponding neuroarchitecture using blood-oxygenation-level-dependent functional MRI (fMRI) and diffusion kurtosis MRI, respectively, in 15 healthy individuals at 3 T. In fMRI, visual stimulation to the lower hemifield showed stronger brain responses and larger brain activation volumes than the upper hemifield, indicative of the differential sensitivity of the human brain across the visual field. In diffusion kurtosis MRI, the brain regions mapping to the lower visual field showed higher mean kurtosis, but not fractional anisotropy or mean diffusivity compared with the upper visual field. These results suggested the different distributions of microstructural organization across visual field brain representations. There was also a strong positive relationship between diffusion kurtosis and fMRI responses in the lower field brain representations. In summary, this study suggested the structural and functional brain involvements in the asymmetry of visual field responses in humans, and is important to the neurophysiological and psychological understanding of human visual information processing.

Indexed as

Diffusion Magnetic Resonance ImagingMagnetic Resonance ImagingAdultBrainFemaleHumansImage Processing, Computer-AssistedMaleOxygenStatistics as TopicVisual AcuityYoung AdultOxygen

Identifiers

PMID27631541
PMCPMC5037044

What OpenQuestion holds

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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.