Importance

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Abstract

A method and an apparatus provide electro stimulation to a test subject. A number of electrodes are connected to the brain of a test subject, wherein the voltages present on the individual electrodes are measured and analyzed after the delivery of a stimulus. During a preselection based on the analysis, individual electrodes are selected for the delivery of a stimulus, wherein one electrode is selected from the individual preselected electrodes and the stimulus is delivered to the brain by the electrode. Accordingly, in the analysis using the measurement signals during the preselection, the signals present on the electrodes are examined, in particular exclusively examined, for the presence of signal power or signal energies in the range from 60 Hz to 1 kHz, in particular between 60 Hz and 180 Hz.

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First Claim