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Neural bases of sensory modulation by temporal expectations

Grant number: 16/01454-3
Support type:Scholarships abroad - Research
Effective date (Start): September 10, 2016
Effective date (End): June 09, 2017
Field of knowledge:Humanities - Psychology
Principal Investigator:André Mascioli Cravo
Grantee:André Mascioli Cravo
Host: Anna Christina Nobre
Home Institution: Centro de Matemática, Computação e Cognição (CMCC). Universidade Federal do ABC (UFABC). Ministério da Educação (Brasil). Santo André , SP, Brazil
Local de pesquisa : University of Oxford, England  


The effects of temporal expectation on perception are increasingly recognized. Recent theories suggest that temporal expectation works in conjunction with other attentional processes pre-activating task relevant neural networks at specific times. However, the underlying \linebreak mechanism and the dynamics of these processes remain largely unknown. In this study, we aim to investigate if temporal expectations can dynamically modulate brain states facilitating sensory processing. Human participants will perform a psychophysical task with concurrent magnetoencephalography (MEG) recordings. In the task, the temporal probability of stimulus presentation will be manipulated. The combination of behavioral responses and MEG recordings will allow us to analyses the temporal dynamics of the processes underlying perceptual modulation by temporal expectations. (AU)