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"QStates is a powerful cognitive state classification tool with a Partial Least-Squares (PLS) core algorithm for rapid and intuitive subject-specific or normative model training.

QStates extracts approximately 10,000 features from EEG, ECG, EMG, and EOG signals, and rapidly sets weights on the most salient features. The PLS algorithm is fast and trains models using as little as 1 minute of data for each state. The fast training allows subject specific daily calibration reducing performance variability."