Topographic representations of object size and relationships with numerosity reveal generalized quantity processing in human parietal cortex.

@article{Harvey2015TopographicRO,
  title={Topographic representations of object size and relationships with numerosity reveal generalized quantity processing in human parietal cortex.},
  author={Ben M. Harvey and Alessio Fracasso and Natalia Petridou and Serge O. Dumoulin},
  journal={Proceedings of the National Academy of Sciences of the United States of America},
  year={2015},
  volume={112 44},
  pages={13525-30}
}
Humans and many animals analyze sensory information to estimate quantities that guide behavior and decisions. These quantities include numerosity (object number) and object size. Having recently demonstrated topographic maps of numerosity, we ask whether the brain also contains maps of object size. Using ultra-high-field (7T) functional MRI and population receptive field modeling, we describe tuned responses to visual object size in bilateral human posterior parietal cortex. Tuning follows… CONTINUE READING
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