Recording room: A participant is fitted with scalp electrodes and wearing acoustically shielded earphone to record auditory evoked potentials.
The monitoring room: A participant is observed through closed circuit television while recording evoked potentials using Nicolet EDX system, USA.
A participant can be seen fitted with the electrode cap of ActiChamp Brain products GmbH, Germany to record EEG from multiple scalp sites.
EEG waveforms and low-resolution electromagnetic tomography (LORETA) recorded from various scalp sites using high density electroencephalography of ActiChamp Brain products GmbH, Germany.
Transcranial doppler system (Digi-Lite, RIMEDLTD, Israel) to record for cerebral artery velocities and pulsatility indices.