Spatiotemporal neural dynamics of object recognition under uncertainty in humans.

ABSTRACT: While there is a wealth of knowledge about core object recognition-our ability to recognize clear, high-contrast object images-how the brain accomplishes object recognition tasks under increased uncertainty remains poorly understood. We investigated the spatiotemporal neural dynamics underlying object recognition under increased uncertainty by combining MEG and 7 Tesla (7T) fMRI in humans during a threshold-level object recognition task. We observed an early, parallel rise of recognition-related signals across ventral visual and frontoparietal regions that preceded the emergence of category-related information. Recognition-related signals in ventral visual regions were best explained by a two-state representational format whereby brain activity bifurcated for recognized and unrecognized im

SUBMITTER: Wu YH 

PROVIDER: S-EPMC10231926 | biostudies-literature | 2023 May

REPOSITORIES: biostudies-literature