Comparison of orientation encoding across layers within single columns of primate V1 revealed by high-density recordings.

ABSTRACT: Primary visual cortex (V1) has been the focus of extensive neurophysiological investigations, with its laminar organization serving as a crucial model for understanding the functional logic of neocortical microcircuits. Utilizing newly developed high-density, Neuropixels probes, we measured visual responses from large populations of simultaneously recorded neurons distributed across layers of macaque V1. Within single recordings, myriad differences in the functional properties of neuronal subpopulations could be observed. Notably, while standard measurements of orientation selectivity showed only minor differences between laminar compartments, decoding stimulus orientation from layer 4C responses outperformed both superficial and deep layers within the same cortical column. The superior or

SUBMITTER: Zhu S 

PROVIDER: S-EPMC11456443 | biostudies-literature | 2024

REPOSITORIES: biostudies-literature