Sentence examples for vertex electrode from inspiring English sources

In our initial analysis we examined P2 amplitudes from the vertex electrode site (Cz).

Impedance for each electrode was kept below 60 kΩ, and the vertex electrode (Cz) was used as the recording reference.

EEG was digitized at 500 Hz, and band-width filtered at 0.01 200 Hz, with the vertex electrode (Cz) serving as an on-line recording reference.

The EEG was sampled at a rate of 500 Hz, and band-pass filtered at 0.01 200 Hz with the vertex electrode (Cz) serving as an on-line recording reference.

The polarity of source waveforms was defined according to the polarity of an AEP recorded from a vertex electrode in EEG such that the neuromagnetic counterpart of the N1 response showed a negative going wave.

All channels were referenced to the vertex electrode (Cz).

The potentials were recorded via three subcutaneous needle electrodes, which were placed at the vertex (positive electrode), the bulla (negative electrode) and the ipsilateral leg (ground electrode).

The ABR waveforms were produced via differential voltage recordings from needle electrodes placed under the skin on the scalp at the vertex (noninverting electrode) and ipsilateral mastoid (inverting electrode).

Signals were referenced with electronically linked mastoid electrodes (TP9/10) or a scalp vertex (Cz) electrode to yield two data sets for each of the EC and EO recordings.

The electroencephalogram (EEG) was recorded with 30 Ag-AgCl electrodes placed according to the international 10 20 system (Jasper 1958) referenced online to the vertex (Cz) electrode, with forehead ground.

Bauer (1994) reported that resting EEG absolute beta power (13.2 to 27.6 Hz) at the vertex (Cz electrode) was observed more in relapse-prone patients than in abstinence-prone patients and control subjects.