The brain’s electrical activity is a key focus of neurology and functional diagnostics. Electroencephalography, a method with over a century of history, remains a cornerstone for clinical assessment of the central nervous system.
The clinical gold standard is stationary EEG systems. They provide multi-channel recording under controlled conditions, ensuring signal stability, high resolution, and broad functionality. Modern systems like the CADUCEUS REVIEW integrate video monitoring, polysomnography, evoked potentials with various stimuli, plus additional channels (ECG, EMG, respiration, SpO₂) and automated processing for a complete, reproducible clinical picture.
Yet, stationary setups lack flexibility for long-term monitoring, capturing rare paroxysmal events, or assessing brain activity in natural environments. Portable EEG devices – wearable, pocket-sized, or hybrid – step in here. They are designed for hours of continuous recording in ambulant care, sleep studies, ICU wards, or mobile diagnostics.
However, compactness brings trade-offs: fewer channels reduce spatial resolution, higher sensitivity to motion and external artefacts complicates analysis, and limited stimulation options restrict diagnostic protocols. This demands cautious interpretation and clear indications.
Portable EEG thus holds a unique place in neurophysiology – deployed where stationary systems cannot go, with usage defined by clinical context and research setting.
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