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Deciphering the cholinergic modulation of the hippocampal place code.

Objective

Acetylcholine released by cholinergic neurons in the basal forebrain is a critical component of the modulatory cocktail governing the emergence, stabilization and reorganization of cortical ensembles of co-active neurons representing the environment. In the hippocampus, ACh renders the state of the network optimal for the acquisition of novel information. Deterioration of cholinergic modulation leads to severe deficits in hippocampal function manifested as debilitating cognitive impairments. Despite decades of intense research fundamental questions are still open about the cholinergic modulation of hippocampal information processing: i) how is the behaviour-dependent firing of different neuron types determined by ACh? ii) how does ACh contribute to the emergence of the spatially selective firing of principal cells, their amalgamation into sequences representing the surroundings of the animal and the storage of “relevant” sequences? iii) how does ACh alter the place code in response to salient environmental stimuli? Technological breakthroughs of the past years have opened the possibilities of addressing these long-standing questions about cholinergic modulation. Thus, I aim to combine the latest electrophysiological recording, optogenetic manipulation and behavioural tracking methods to monitor hippocampal neuronal ensembles in freely behaving mice while manipulating the cholinergic input of the hippocampus by light-responsive microbial opsins. Results of the proposed research programme will decipher the role of ACh in hippocampal information processing and inform us how subcortical modulation contributes to the conversion of external inputs from the environment to internal representations. By accomplishing the programme outlined in the proposal I will be acquainted with the cutting edge technologies as well as skills indispensable for starting my independent research group and expanding the research potential of my home institute.

Fields of science (EuroSciVoc)

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Programme(s)

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Topic(s)

Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.

Funding Scheme

Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.

MSCA-IF-GF - Global Fellowships

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Call for proposal

Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.

(opens in new window) H2020-MSCA-IF-2015

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Coordinator

HUN REN KISERLETI ORVOSTUDOMANYI KUTATOINTEZET
Net EU contribution

Net EU financial contribution. The sum of money that the participant receives, deducted by the EU contribution to its linked third party. It considers the distribution of the EU financial contribution between direct beneficiaries of the project and other types of participants, like third-party participants.

€ 245 250,00
Address
SZIGONY UTCA 43
1083 Budapest
Hungary

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Region
Közép-Magyarország Budapest Budapest
Activity type
Research Organisations
Links
Total cost

The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.

€ 245 250,00

Partners (1)

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