September 2024
Volume 24, Issue 10
Open Access
Vision Sciences Society Annual Meeting Abstract  |   September 2024
Signals from S-cone-driven Single-Opponent Neurons in the Human Visual Cortex
Author Affiliations
  • Songlin Qiao
    Shanghai University of Sport
  • Karl Gegenfurtner
    Justus-Liebig-Universität Gießen
  • Jing Chen
    Shanghai University of Sport
Journal of Vision September 2024, Vol.24, 467. doi:https://doi.org/10.1167/jov.24.10.467
  • Views
  • Share
  • Tools
    • Alerts
      ×
      This feature is available to authenticated users only.
      Sign In or Create an Account ×
    • Get Citation

      Songlin Qiao, Karl Gegenfurtner, Jing Chen; Signals from S-cone-driven Single-Opponent Neurons in the Human Visual Cortex. Journal of Vision 2024;24(10):467. https://doi.org/10.1167/jov.24.10.467.

      Download citation file:


      © ARVO (1962-2015); The Authors (2016-present)

      ×
  • Supplements
Abstract

Recent studies of middle- and long-wavelength-sensitive cone responses have revealed neural activities from single-opponent neurons in the human visual cortex (Nunez et al., 2022; Qiao, Gegenfurtner & Chen, VSS 2022). However, it is still uncertain whether single-opponent activities driven by short-wavelength-sensitive cones (S-cones) can be observed in humans. Previous studies conducted on non-human primates have shown limited S-cone-driven single-opponent neurons (Lennie et al., 1990; Johnson et al., 2004; Solomon and Lennie, 2005). In human observers, Nunez et al. (2022) reported very weak or no S-cone-driven single-opponent signals using visual evoked potentials (VEPs), which may be due to a lack of single-opponent neurons in the human visual cortex or because VEP recordings are too noisy to detect weak signals. To address this issue, we conducted a study recording steady-state visual evoked potentials (SSVEPs) to S-cone stimuli flickering at 2 temporal frequencies (3Hz and 15Hz) and 6 spatial frequencies (0.2, 1, 2, 3, 4, and 8 c/deg) in 16 observers. Our results revealed that the response at 3 Hz has band-pass tuning (double-opponent) and the response at 15 Hz has low-pass tuning (single-opponent). We further investigated spatial tuning between 3Hz and 15Hz by measuring SSVEPs on 10 observers with S-cone stimuli at several temporal frequencies (3 Hz, 6 Hz, 10 Hz, and 15 Hz). The result indicates that spatial tuning is band-pass at low temporal frequencies (3, 6, 10 Hz) and low-pass at 15 Hz. Overall, our study suggests that there are S-cone-driven single-opponent neurons in the human visual cortex.

×
×

This PDF is available to Subscribers Only

Sign in or purchase a subscription to access this content. ×

You must be signed into an individual account to use this feature.

×