P Vachatimanont

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Following far-field potential of P14 after median nerve stimulation, we identified several small wavelets, designated here as fast frequency potentials or FFP, over the ascending and descending phases of the major negative wave of 'N20.' In 10 normal subjects who had well defined FFP, namely N16, N17, N18 and N19, we studied recovery functions of FFP by(More)
Close scrutiny of scalp recorded P9 far-field potentials following stimulation of the median nerve often revealed dilobed wave forms. We observed that the P9 became 2 distinct peaks (P9a and P9b) when the arm was flexed 90 degrees forward at the shoulder and that it became a pointed single peak with 90-170 degrees lateral abduction of the arm. A(More)
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