Dynamics of orientation tuning in macaque V1: the role of global and tuned suppression.

@article{Ringach2003DynamicsOO,
  title={Dynamics of orientation tuning in macaque V1: the role of global and tuned suppression.},
  author={Dario L. Ringach and Michael J. Hawken and Robert Shapley},
  journal={Journal of neurophysiology},
  year={2003},
  volume={90 1},
  pages={342-52}
}
The temporal development of neural selectivity to physical attributes of a visual stimulus, such as its orientation and spatial frequency, can provide important clues about mechanisms of cortical tuning. We measured the dynamics of orientation tuning in macaque primary visual cortex (V1) and found several dynamical features in the data: changes in global enhancement and suppression, narrowing of orientation bandwidth, small but significant shifts in preferred orientation, and "Mexican-hat… CONTINUE READING
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Dynamics of excitatory and inhibitory mechanisms shaping orientation tuning of neurons in V1

  • DL Ringach, MJ Hawken, R. Shapley
  • Soc Neurosci Abstr
  • 1997
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