Prior to sleep, participants were wired for polysomnographic recording, with EEG recording sites including F3, F4, C3, C4, O1, and O2, each referenced to the contralateral mastoid. Additional electrodes acquired electromyography (EMG; muscle tone) and electrooculography (EOG; eye movement). Signals were recorded at 400Hz using a Grass-Telefactor AURA amplifier (© Grass Technologies). Impedance was kept below 10kOhms. Following data collection, polysomnographic recordings were scored for sleep stage following the criteria established by the American Academy of Sleep Medicine [48 ].
Grass telefactor aura amplifier
Manufactured by Natus
The Grass-Telefactor AURA amplifier is a versatile device designed for recording and monitoring physiological signals. It provides amplification and conditioning of various electrical signals, enabling accurate data acquisition for research and clinical applications.
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Lab products found in correlation
2 protocols using grass telefactor aura amplifier
1
Polysomnographic Assessment of Sleep
2
Polysomnographic Data Acquisition Protocol
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PSG data were acquired with a standard montage of EEG (electroencephalography; locations F3, F4, C3, C4, O1, O2) referenced to the contralateral mastoids, electromyography (EMG) to monitor muscle tone, and electrooculography (EOG) to monitor eye movement (left and right outer canthus). Signals were recorded at 400Hz using a Grass-Telefactor AURA amplifier and Twin EEG & LTM Clinical Software (© Grass Technologies).
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