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OscillatoryVision SIGNED

The retinae as windows to the brain: An oscillatory vision

Total Cost €

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EC-Contrib. €

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Partnership

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 OscillatoryVision project word cloud

Explore the words cloud of the OscillatoryVision project. It provides you a very rough idea of what is the project "OscillatoryVision" about.

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Project "OscillatoryVision" data sheet

The following table provides information about the project.

Coordinator
AARHUS UNIVERSITET 

Organization address
address: NORDRE RINGGADE 1
city: AARHUS C
postcode: 8000
website: www.au.dk

contact info
title: n.a.
name: n.a.
surname: n.a.
function: n.a.
email: n.a.
telephone: n.a.
fax: n.a.

 Coordinator Country Denmark [DK]
 Project website https://cfin.au.dk/nemo
 Total cost 1˙499˙850 €
 EC max contribution 1˙499˙850 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2014-STG
 Funding Scheme ERC-STG
 Starting year 2016
 Duration (year-month-day) from 2016-03-01   to  2021-02-28

 Partnership

Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 
1    AARHUS UNIVERSITET DK (AARHUS C) coordinator 1˙499˙850.00

Map

 Project objective

Several sophisticated image processing circuits have been discovered in the animal retina, many of which manifest massive neural synchrony. A major insight is that this type of synchrony often translates to high-frequency activity on a macroscopic level, but electroretinography (ERG) has not been tapped to examine this potential in humans. Bolstered by our compelling results combining ERG with magnetoencephalography (MEG), this project will address several open questions with respect to human visual processing:

1) Could variable retinal timing be linked to intrinsic image properties and pass on phase variance downstream to visual cortex? Our data suggests the retina responds to moving gratings and natural imagery with non-phase-locked high gamma oscillations (>65 Hz) just like visual cortex, and that slower ERG potentials exhibit strong phase-locking within stimuli but large phase variance across stimuli.

2) Do such retinal gamma band responses, both evoked and induced, directly drive some cortical gamma responses? Pilot data suggests that it can, through retinocortical coherence, our novel ERG-MEG mapping technique.

3) Several kinds of motion have now been shown to elicit massive synchrony in mammalian retina circuits. Does this also result in macroscopic high-frequency activity? If so, our experiments will finally reveal and characterize motion detection by the human retina.

4) Do efferent pathways to the retina exist in humans? We discovered that the ERG exhibits eyes-closed alpha waves strikingly similar to the classic EEG phenomenon and, leveraging our retinocortical coherence technique, that this activity is likely driven by contralateral occipital cortex. Then, can retinal responses be influenced by ongoing cortical activity?

Characterizing retinocortical interaction represents a complete paradigm shift that will be imperative for our understanding of neural synchrony in the human nervous system and enable several groundbreaking new avenues for research.

 Publications

year authors and title journal last update
List of publications.
2017 Britta Westner
High frequency oscillations in healthy brain functions
published pages: , ISSN: , DOI:
2019-06-06
2017 Tommy Clausner, Sarang S. Dalal, Maité Crespo-García
Photogrammetry-Based Head Digitization for Rapid and Accurate Localization of EEG Electrodes and MEG Fiducial Markers Using a Single Digital SLR Camera
published pages: , ISSN: 1662-453X, DOI: 10.3389/fnins.2017.00264
Frontiers in Neuroscience 11 2019-05-29
2018 Britta U. Westner, Sarang S. Dalal, Simon Hanslmayr, Tobias Staudigl
Across-subjects classification of stimulus modality from human MEG high frequency activity
published pages: e1005938, ISSN: 1553-7358, DOI: 10.1371/journal.pcbi.1005938
PLOS Computational Biology 14/3 2019-04-09
2019 Sabine Leske, Sarang S. Dalal
Reducing power line noise in EEG and MEG data via spectrum interpolation
published pages: , ISSN: 1053-8119, DOI: 10.1016/j.neuroimage.2019.01.026
NeuroImage 2019-04-09
2018 Emily Ruzich, Maité Crespo-García, Sarang S. Dalal, Justin F. Schneiderman
Characterizing hippocampal dynamics with MEG: A systematic review and evidence-based guidelines
published pages: , ISSN: 1065-9471, DOI: 10.1002/hbm.24445
Human Brain Mapping 2019-04-09

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The information about "OSCILLATORYVISION" are provided by the European Opendata Portal: CORDIS opendata.

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