On the validity of estimating EEG correlation dimension from a spatial embedding.

@article{Pritchard1996OnTV,
  title={On the validity of estimating EEG correlation dimension from a spatial embedding.},
  author={Walter S. Pritchard and Kelly Krieble and Dennis W. Duke},
  journal={Psychophysiology},
  year={1996},
  volume={33 4},
  pages={362-8}
}
We demonstrate by using simulations that spatial embedding of single-variable time series data does not reliably reconstruct state-space dynamics. Instead, correlation dimension estimated from spatially embedded data is largely a measure of linear cross-correlation in the data set. For actual electroencephalographic (EEG) data, we demonstrate a high negative correlation between spatial correlation dimension and the average amount of lag-zero cross-correlation between "nearest-neighbor… CONTINUE READING

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