Comparable phosphene size and contrast properties, but differing detection reliability for optogenetic versus electrical stimulation of macaque V1
Kumari Liza, Marta Falkowska-Kisiel, Jaime Cadena-Valencia, Jennifer Greilsamer, Florian Lanz, Marcus Haag, Alessandra Bergadano, Diego Ghezzi, Michael C. Schmid
This study compares perceptual properties of phosphenes evoked by optogenetic and electrical stimulation in macaques, finding comparable size and contrast but lower detection reliability for optogenetic methods.
bioRxiv · Sep 8, 2026 · PreprintNeuroscience