Please see the EmotivPRO Manual for a detailed explanation. The values are expressed in microvolts but converted directly from a 14-bit unsigned integer. The DC level is offset by approximately 4100uV, but the absolute value of the offset can be affected by slow DC drift so we don't attempt to correct it. Please apply a high-pass filter to the data - we recommend a characteristic cutoff around 0.16Hz or greater.
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