Eye movements reveal solution knowledge prior to insight.

@article{Ellis2011EyeMR,
  title={Eye movements reveal solution knowledge prior to insight.},
  author={Jessica J. Ellis and Mackenzie G. Glaholt and Eyal M. Reingold},
  journal={Consciousness and cognition},
  year={2011},
  volume={20 3},
  pages={768-76}
}
In two experiments, participants solved anagram problems while their eye movements were monitored. Each problem consisted of a circular array of five letters: a scrambled four-letter solution word containing three consonants and one vowel, and an additional randomly-placed distractor consonant. Viewing times on the distractor consonant compared to the solution consonants provided an online measure of knowledge of the solution. Viewing times on the distractor consonant and the solution… CONTINUE READING