Supplementary Materials

The PDF file includes:

  • Materials and Methods
  • Fig. S1. Design and characterization of the Neural Matrix arrays.
  • Fig. S2. Semivariogram of passive electrode and noise analysis of the active Neural Matrix electrode array.
  • Fig. S3. Direct comparison of Neural Matrix and passive array in rat.
  • Fig. S4. Auditory classification accuracy with varying spatial resolutions.
  • Fig. S5. FIB measurement of t-SiO2 thickness postimplantation.
  • Fig. S6. Stable recording of SPs.
  • Fig. S7. Chamber-free and chamber-based neurotechnology device testing approaches.
  • Fig. S8. Detailed spatiotemporal pattern recorded by the kiloscale Neural Matrix array.
  • Fig. S9. Comparison of μECoG and intracortical recordings.
  • Fig. S10. Characterization of a passive capacitive electrode array.
  • Fig. S11. DAQ for rat experiment.
  • Fig. S12. DAQ for kiloscale Neural Matrix array.
  • Table S1. μECoG comparison table.
  • Legends for movies S1 to S4
  • References (3648)

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Other Supplementary Material for this manuscript includes the following:

  • Movie S1 (.avi format). Tone-evoked spatiotemporal patterns from rat 4 at day 7 of implantation.
  • Movie S2 (.avi format). Tone-evoked spatiotemporal patterns from rat 4 after 1 year of implantation.
  • Movie S3 (.avi format). High-resolution spatiotemporal patterns recorded using kiloscale Neural Matrix in NHP.
  • Movie S4 (.avi format). Motor-evoked responses from an NHP reaching left and right.