Supplementary Materials

Supplementary Material for:

Virtual typing by people with tetraplegia using a self-calibrating intracortical brain-computer interface

Beata Jarosiewicz,* Anish A. Sarma, Daniel Bacher, Nicolas Y. Masse, John D. Simeral, Brittany Sorice, Erin M. Oakley, Christine Blabe, Chethan Pandarinath, Vikash Gilja, Sydney S. Cash, Emad N. Eskandar, Gerhard Friehs, Jaimie M. Henderson, Krishna V. Shenoy, John P. Donoghue, Leigh R. Hochberg

*Corresponding author. E-mail: beata{at}

Published 11 November 2015, Sci. Transl. Med. 7, 313ra179 (2015)
DOI: 10.1126/scitranslmed.aac7328

This PDF file includes:

  • Materials and Methods
  • Fig. S1. Schematic of all possible changes in cosine tuning.
  • Fig. S2. Nonstationarities in mean threshold crossing rates during and between blocks of neural control.
  • Fig. S3. Directional tuning, example session.
  • Fig. S4. Simulation showing that RTI calibration can accommodate known shifts in PDs.
  • Fig. S5. Self-paced typing session, participant T7’s trial day 293.
  • Fig. S6. Spike panels from participants T6 and T7 without versus with common-average referencing.
  • Table S1. Summary of participants.
  • Table S2. Sessions contributed by each participant for each experiment.
  • Legend for movie S1
  • References (4953)

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Other Supplementary Material for this manuscript includes the following:

  • Movie S1 (.mov format). Self-paced typing session, participant T6’s trial day 668.