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NATURAL_BAT_NAV SIGNED

Neural basis of natural navigation: Representation of goals, 3-D spaces and 1-km distances in the bat hippocampal formation – the role of experience

Total Cost €

EC-Contrib. €

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Outcomes and
results

NATURAL_BAT_NAV project word cloud

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

navigating bridge born distance never differs biologically linear facility train tracks neuron versus size compass objects vectorial rodents single ways flying room times utilize bat 1 least scales encoding empty circuits weizmann map navigation supports lab animal traveled natural neural almost neurons hippocampal record brain life nothing dimensional grid direction contains kilometer collectively search examine cognition codes space plan cells directed flight laboratory compare underlie position small km distances dramatically functional gap science fly goals conceptual head odometer place location encode navigate spatial preliminary running wild world boxes cell border flat mammalian bats class setups existence thought illuminate

Project "NATURAL_BAT_NAV" data sheet

The following table provides information about the project.

Coordinator	WEIZMANN INSTITUTE OF SCIENCE Organization address address: HERZL STREET 234 city: REHOVOT postcode: 7610001 website: www.weizmann.ac.il 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	Israel [IL]
Project website	https://www.weizmann.ac.il/neurobiology/labs/ulanovsky/
Total cost	2˙000˙000 €
EC max contribution	2˙000˙000 € (100%)
Programme	1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
Code Call	ERC-2015-CoG
Funding Scheme	ERC-COG
Starting year	2016
Duration (year-month-day)	from 2016-11-01 to 2021-10-31

Partnership

Take a look of project's partnership.

#	participants	country	role	EC contrib. [€]
1	WEIZMANN INSTITUTE OF SCIENCE WEIZMANN INSTITUTE OF SCIENCE Organization address address: HERZL STREET 234 city: REHOVOT postcode: 7610001 website: www.weizmann.ac.il contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.	IL (REHOVOT)	coordinator	2˙000˙000.00

Map

Project objective

The mammalian hippocampal formation contains place cells, grid cells, head-direction cells and border cells, which collectively represent the animal’s position (‘map’), distance traveled (‘odometer’) and direction (‘compass’), and are thought to underlie navigation. These neurons are typically studied in rodents running on linear tracks or in small empty boxes, ~1×1 m in size. However, real-world navigation differs dramatically from typical laboratory setups, in at least three ways – which we plan to study: (1) The world is not empty, but contains objects and goals. Almost nothing is known about how neural circuits represent goal location – which is essential for navigating towards the goal. We will record single-neuron activity in bats flying towards spatial goals, in search for cells that encode vectorial information about the direction and distance to the goal. Preliminary results support the existence of such cells in the bat hippocampal formation. This new functional cell class of vectorial goal-encoding neurons may underlie goal-directed navigation. (2) The world is not flat, but three-dimensional (3-D). We will train bats to fly in a large flight-room and examine 3-D grid cells and 3-D border cells. (3) The world is not 1-m in size, and both rodents and bats navigate over kilometer-scale distances. Nothing is known about how the brain supports such real-life navigation. We will utilize a 1-km long test facility at the Weizmann Institute of Science, and record place cells and grid cells in bats navigating over biologically relevant spatial scales. Further, we will compare neural codes for space in wild-born bats versus bats born in the lab – which have never experienced a 1-km distance – to illuminate the role of experience in mammalian spatial cognition. Taken together, this set of studies will bridge the gap – a conceptual gap and a gap in spatial scale – between hippocampal laboratory studies and real-world natural navigation.

Publications

List of publications.
year	authors and title	journal	last update
2018	Tamir Eliav, Maya Geva-Sagiv, Michael M. Yartsev, Arseny Finkelstein, Alon Rubin, Liora Las, Nachum Ulanovsky Nonoscillatory Phase Coding and Synchronization in the Bat Hippocampal Formation published pages: 1119-1130.e15, ISSN: 0092-8674, DOI: 10.1016/j.cell.2018.09.017	Cell 175/4	2019-09-04
2017	Ayelet Sarel, Arseny Finkelstein, Liora Las, Nachum Ulanovsky Vectorial representation of spatial goals in the hippocampus of bats published pages: 176-180, ISSN: 0036-8075, DOI: 10.1126/science.aak9589	Science 355/6321	2019-06-18
2018	David B. Omer, Shir R. Maimon, Liora Las, Nachum Ulanovsky Social place-cells in the bat hippocampus published pages: 218-224, ISSN: 0036-8075, DOI: 10.1126/science.aao3474	Science 359/6372	2019-06-18

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