Objective
Neural oscillations, rhythmic fluctuations in the excitability of neuronal populations, align their phase to the rhythm of speech and this mechanism, called phase entrainment, has been associated with successful perception of connected speech. However, a causal role of phase entrainment for speech comprehension has not yet been shown which leaves the underlying mechanisms unclear, and fails to specify the relevance of neural oscillations for hearing or language impaired individuals. In the proposed research, we will use a novel brain stimulation technique, transcranial alternating current stimulation (tACS) to selectively alter neural oscillations. By manipulating neural phase entrainment to speech with tACS we can, for the first time, provide decisive evidence concerning whether phase entrainment and speech comprehension are causally linked: If a modulation of phase entrainment leads to changes in speech perception and comprehension we can conclude that the former causally influences the latter. In a preliminary experiment, combining tACS with functional magnetic imaging (fMRI), we will determine the optimal tACS electrode montage to modulate neural activity in speech-specific brain regions (in the superior temporal gyrus). Using this setup in a behavioural task, tACS can be applied at different phase-lags in relation to rhythmic speech sequences. Critically, we expect perception of these stimuli to depend on the phase relation between tACS and speech rhythm, as a consequence of the manipulation of phase entrainment by tACS. Our study will thus provide important and novel evidence for a causal role of phase entrainment for speech perception and comprehension. In turn this might suggest new methods for enhancing speech perception in populations with hearing or language impairment.
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Keywords
Project’s keywords as indicated by the project coordinator. Not to be confused with the EuroSciVoc taxonomy (Fields of science)
Project’s keywords as indicated by the project coordinator. Not to be confused with the EuroSciVoc taxonomy (Fields of science)
Programme(s)
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
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H2020-EU.1.3. - EXCELLENT SCIENCE - Marie Skłodowska-Curie Actions
MAIN PROGRAMME
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H2020-EU.1.3.2. - Nurturing excellence by means of cross-border and cross-sector mobility
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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.
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.
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 - Marie Skłodowska-Curie Individual Fellowships (IF)
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Call for proposal
Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
(opens in new window) H2020-MSCA-IF-2016
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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.
CB2 1TN CAMBRIDGE
United Kingdom
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.