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. Author manuscript; available in PMC: 2012 Sep 25.
Published in final edited form as: Conf Proc IEEE Eng Med Biol Soc. 2011;2011:6713–6716. doi: 10.1109/IEMBS.2011.6091655

Fig. 3.

Fig. 3

Summary of the ability of non-penetrating surface arrays to record modulated neural activity. Black regions indicate data recorded using the MCS array while gray regions indicate data recorded using PMT arrays. In (a) and (b), thin lines indicate data from individual experiments while thick lines show the averaged result. (a) Cumulative histogram of the percentage of electrodes on a given array that recorded neural activity modulated by the kinematics with different R2 values. For example, 75% of the MCS array electrodes and 90% of the PMT array electrodes recorded activity with an R2 value less than 0.25. (b) Cumulative histogram of the average number of identified units per electrode with different R2 values. For example, on average, there were 0.84 units per electrode with R2 values less than 0.25 on the MCS array. (c) Percentage of all units that exhibited single-unit (solid) and multi-unit (hashed) activity. (d) Percentage of units with R2 > 0.1 that exhibited single-unit (solid) and multi-unit (hashed) activity. In (c) and (d), gray circles indicate individual trial results.