Evoked Responses to Numerical and Non-Numerical Visual Stimuli while Problem Solving

@article{Chapman1964EvokedRT,
  title={Evoked Responses to Numerical and Non-Numerical Visual Stimuli while Problem Solving},
  author={Robert M. Chapman and HENRY R. Bragdon},
  journal={Nature},
  year={1964},
  volume={203},
  pages={1155-1157}
}

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