Explore the words cloud of the VISONby3DSTIM project. It provides you a very rough idea of what is the project "VISONby3DSTIM" about.
The following table provides information about the project.
INSTITUTE OF EXPERIMENTAL MEDICINE - HUNGARIAN ACADEMY OF SCIENCES
|Coordinator Country||Hungary [HU]|
|Total cost||2˙000˙000 €|
|EC max contribution||2˙000˙000 € (100%)|
1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
|Duration (year-month-day)||from 2016-05-01 to 2021-04-30|
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|1||INSTITUTE OF EXPERIMENTAL MEDICINE - HUNGARIAN ACADEMY OF SCIENCES||HU (Budapest)||coordinator||2˙000˙000.00|
The long-term aim of the investigation is to assess the feasibility of creating an “artificial sense” and, thereby, a possible sensory (visual) prosthetic. While working towards this goal, we will have to address the question of how neural assembly activity relates to subjective perceptions. Finding and understanding these functional assemblies will make it possible to reactivate them in a precise, biologically relevant manner to elicit similar cortical activation as visual stimulation. Recent publications suggest that cortical connectivity can be mapped by two-photon microscopy. Here we want, therefore, to develop a novel 3D Electro-Acousto-Optical microscope for high-throughput assembly mapping. The microscope will be capable of scanning neuronal activity with one order of magnitude higher speed (300-500 kHz/ROI) and simultaneously photoactivate neurons with three order of magnitude higher efficiency (2,500 – 25,000 neurons/ms) than existing 3D microscopes while preserving the subcellular resolution required to simultaneously measure the somatic, the dendritic and axonal computation units in the entire V1 region of the cortex. The microscope will be based on our current 3D AO technology; on novel ultra-fast scanning technologies; new, 10-fold faster AO deflectors; and novel (multi-ROI) scanning strategies. Using our microscope in combination with novel caged neurotransmitters and optogenetic tools, we want to map cell assemblies and to understand how they form larger clusters and how they are associated with visual features. Furthermore, as a proof-of-concept of this grant, we want to restore visual perception by recreating previously mapped assembly patterns with 3D artificial photositmulation in behaving mice and see if the animal responds to the artificial stimulus in the same way as to the visual stimulus. Moreover, we want to restore visual information based spatial navigation in head restrained animals orienting and moving in a virtual labyrinth for reward.
|year||authors and title||journal||last update|
Gergely Szalay, Linda JudÃ¡k, Gergely Katona, Katalin Ã“csai, GÃ¡bor JuhÃ¡sz, MÃ¡tÃ© Veress, ZoltÃ¡n Szadai, AndrÃ¡s FehÃ©r, TamÃ¡s Tompa, BalÃ¡zs Chiovini, PÃ¡l MaÃ¡k, BalÃ¡zs RÃ³zsa
Fast 3D Imaging of Spine, Dendritic, and Neuronal Assemblies in Behaving Animals
published pages: 723-738, ISSN: 0896-6273, DOI: 10.1016/j.neuron.2016.10.002
Daniel Hillier, Michele Fiscella, Antonia Drinnenberg, Stuart Trenholm, Santiago B Rompani, Zoltan Raics, Gergely Katona, Josephine Juettner, Andreas Hierlemann, Balazs Rozsa, Botond Roska
Causal evidence for retina-dependent and -independent visual motion computations in mouse cortex
published pages: 960-968, ISSN: 1097-6256, DOI: 10.1038/nn.4566
|Nature Neuroscience 20/7||2019-05-27|
DÃ©nes PÃ¡lfi, BalÃ¡zs Chiovini, Gergely Szalay, Attila KaszÃ¡s, Gergely F. Turi, Gergely Katona, PÃ©ter ÃbrÃ¡nyi-Balogh, MilÃ¡n SzÅ‘ri, Attila Potor, Orsolya Frigyesi, Csilla LukÃ¡csnÃ© Haveland, ZoltÃ¡n Szadai, MiklÃ³s MadarÃ¡sz, AnikÃ³ Vasanits-Zsigrai, Ibolya MolnÃ¡r-Perl, BÃ©la Viskolcz, Imre G. Csizmadia, ZoltÃ¡n Mucsi, BalÃ¡zs RÃ³zsa
High efficiency two-photon uncaging coupled by the correction of spontaneous hydrolysis
published pages: 1958-1970, ISSN: 1477-0520, DOI: 10.1039/C8OB00025E
|Organic & Biomolecular Chemistry 16/11||2019-05-27|
Thomas Deneux, Attila Kaszas, Gergely Szalay, Gergely Katona, TamÃ¡s Lakner, Amiram Grinvald, BalÃ¡zs RÃ³zsa, Ivo Vanzetta
Accurate spike estimation from noisy calcium signals for ultrafast three-dimensional imaging of large neuronal populations in vivo
published pages: , ISSN: 2041-1723, DOI: 10.1038/ncomms12190
|Nature Communications 7/1||2019-05-27|
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The information about "VISONBY3DSTIM" are provided by the European Opendata Portal: CORDIS opendata.