A Comparison of Primate Prefrontal and Inferior Temporal Cortices during Visual Categorization

@article{Freedman2003ACO,
  title={A Comparison of Primate Prefrontal and Inferior Temporal Cortices during Visual Categorization},
  author={David J. Freedman and Maximilian Riesenhuber and Tomaso A. Poggio and Earl K. Miller},
  journal={The Journal of Neuroscience},
  year={2003},
  volume={23},
  pages={5235 - 5246}
}
Previous studies have suggested that both the prefrontal cortex (PFC) and inferior temporal cortex (ITC) are involved in high-level visual processing and categorization, but their respective roles are not known. To address this, we trained monkeys to categorize a continuous set of visual stimuli into two categories, “cats” and “dogs.” The stimuli were parametrically generated using a computer graphics morphing system (Sheltonelton, 2000) that allowed precise control over stimulus shape. After… 

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  • A. NiederE. Miller
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    Proceedings of the National Academy of Sciences of the United States of America
  • 2004
TLDR
Activity in the PPC and the anterior inferior temporal cortex was surveyed while monkeys performed a visual numerosity judgment task and neurons in the fundus of the intraparietal sulcus responded and conveyed numerosity earlier than PFC neurons, suggesting that numerosity information flows from the PFC to the lateral PFC.

Experience-dependent sharpening of visual shape selectivity in inferior temporal cortex.

TLDR
It is found that ITC stimulus selectivity was sharper for familiar than novel stimuli, suggesting that enhanced shape tuning in ITC can arise for both passively experienced and explicitly trained stimuli.

Visual categorization and the parietal cortex

TLDR
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