J 2025

Cortical evidence accumulation for visual perception occurs irrespective of reports

STOCKART, F; R MSHEIK; A ROBIN; Lenka JURKOVIČOVÁ; D GOUEYTES et. al.

Základní údaje

Originální název

Cortical evidence accumulation for visual perception occurs irrespective of reports

Autoři

STOCKART, F; R MSHEIK; A ROBIN; Lenka JURKOVIČOVÁ ORCID; D GOUEYTES; M ROUY; Radek MAREČEK; D HOFFMANN; L MUDRIK; Robert ROMAN; Milan BRÁZDIL; L MINOTTI; P KAHANE; M PEREIRA a N FAIVRE

Vydání

NATURE COMMUNICATIONS, ENGLAND, NATURE PORTFOLIO, 2025, 2041-1723

Další údaje

Jazyk

angličtina

Typ výsledku

Článek v odborném periodiku

Obor

30103 Neurosciences

Utajení

není předmětem státního či obchodního tajemství

Impakt faktor

Impact factor: 15.700 v roce 2024

Organizační jednotka

Lékařská fakulta

Příznaky

Mezinárodní význam, Recenzováno
Změněno: 2. 10. 2025 13:12, Mgr. Lenka Jurkovičová

Anotace

V originále

Perception is a multi-faceted, dynamical process that can be tackled empirically through measures of stimulus detectability and confidence. We recorded stereo-electroencephalographic data of 29 participants partaking in three pre-registered experiments to assess if evidence accumulation, a form of sequential sampling of sensory evidence, can explain perception. In an immediate-response experiment, high-gamma activity from individual channels and decoded multivariate latent variables in the visual, inferior frontal, and anterior insular cortices display a correlation between the slope of their increase and reaction times. In two further experiments, this signal in the ventral visual cortex differentiates between (1) stimuli reported as seen vs. unseen in delayed detection, (2) high and low intensity stimuli during passive viewing, and (3) levels of confidence when stimuli were detected. A computational model of leaky evidence accumulation can successfully reproduce both behavioral and neural data. Overall, we show that evidence accumulation explains subjective aspects of visual perception.