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Novelty P3 reductions in depression: Characterization using principal components analysis (PCA) of current source density (CSD) waveforms

  1. Craig E. Tenke1,2,
  2. Jürgen Kayser1,2,
  3. Jonathan W. Stewart2,3,
  4. Gerard E. Bruder1,2

Article first published online: 15 SEP 2009

DOI: 10.1111/j.1469-8986.2009.00880.x

Issue

Psychophysiology

Psychophysiology

Volume 47, Issue 1, pages 133–146, January 2010

Additional Information

How to Cite

Tenke, C. E., Kayser, J., Stewart, J. W. and Bruder, G. E. (2010), Novelty P3 reductions in depression: Characterization using principal components analysis (PCA) of current source density (CSD) waveforms. Psychophysiology, 47: 133–146. doi: 10.1111/j.1469-8986.2009.00880.x

Author Information

  1. 1

    Division of Cognitive Neuroscience, New York State Psychiatric Institute, New York, New York, USA

  2. 2

    Department of Psychiatry, Columbia University College of Physicians and Surgeons, New York, New York, USA

  3. 3

    Depression Evaluation Service, New York State Psychiatric Institute, New York, New York, USA

*Address reprint requests to: Jürgen Kayser, New York State Psychiatric Institute, Division of Cognitive Neuroscience, Unit 50, 1051 Riverside Drive, New York, NY 10032, USA. E-mail: kayserj@pi.cpmc.columbia.edu

  1. This work was supported in part by Grants MH36295 and MH66597 from the National Institute of Mental Health. The authors are grateful for the assistance of Christopher J. Kroppmann, Nathan A. Gates, and Jennifer D. Schaller in collecting and processing the data. We also acknowledge the waveform plotting software written by Charles L. Brown, III. Finally, we appreciate the suggestions of two anonymous reviewers, which greatly improved this article.

Publication History

  1. Issue published online: 17 DEC 2009
  2. Article first published online: 15 SEP 2009
  3. (Received October 7, 2008; Accepted March 5, 2009)

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Animated ERP and CSD topographies may be viewed at: http://psychophysiology.cpmc.columbia.edu/novelty2008.htm

Appendix S1. CSD-PCA of early vs. late blocks.

Figure S1. Reproducibility of solution and group differences across blocks.

Appendix S2. Hemispatial PCA.

Figure S2. Hemispatial PCA.

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