{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Li HH"],"funding":["NEI NIH HHS","NIDA NIH HHS","U.S. Department of Health & Human Services | National Institutes of Health"],"pagination":["1418-1431"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC8552811"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["5(10)"],"pubmed_abstract":["Perception and action are tightly coupled: visual responses at the saccade target are enhanced right before saccade onset. This phenomenon, presaccadic attention, is a form of overt attention-deployment of visual attention with concurrent eye movements. Presaccadic attention is well-documented, but its underlying computational process remains unknown. This is in stark contrast to covert attention-deployment of visual attention without concurrent eye movements-for which the computational processes are well characterized by a normalization model. Here, a series of psychophysical experiments reveal that presaccadic attention modulates visual performance only via response gain changes. A response gain change was observed even when attention field size increased, violating the predictions of a normalization model of attention. Our empirical results and model comparisons reveal that the perceptual modulations by overt presaccadic and covert spatial attention are mediated through different computations."],"journal":["Nature human behaviour"],"pubmed_title":["Different computations underlie overt presaccadic and covert spatial attention."],"pmcid":["PMC8552811"],"funding_grant_id":["R90 DA043849","R01EY019693","R01 EY019693"],"pubmed_authors":["Pan J","Carrasco M","Li HH"],"additional_accession":[]},"is_claimable":false,"name":"Different computations underlie overt presaccadic and covert spatial attention.","description":"Perception and action are tightly coupled: visual responses at the saccade target are enhanced right before saccade onset. This phenomenon, presaccadic attention, is a form of overt attention-deployment of visual attention with concurrent eye movements. Presaccadic attention is well-documented, but its underlying computational process remains unknown. This is in stark contrast to covert attention-deployment of visual attention without concurrent eye movements-for which the computational processes are well characterized by a normalization model. Here, a series of psychophysical experiments reveal that presaccadic attention modulates visual performance only via response gain changes. A response gain change was observed even when attention field size increased, violating the predictions of a normalization model of attention. Our empirical results and model comparisons reveal that the perceptual modulations by overt presaccadic and covert spatial attention are mediated through different computations.","dates":{"release":"2021-01-01T00:00:00Z","publication":"2021 Oct","modification":"2025-04-04T13:51:01.692Z","creation":"2025-04-04T13:51:01.692Z"},"accession":"S-EPMC8552811","cross_references":{"pubmed":["33875838"],"doi":["10.1038/s41562-021-01099-4"]}}