A Low-Cost Point-of-Care Testing System for Psychomotor Symptoms of Depression Affecting Standing Balance: A Preliminary Study in India

Table 1

Specifications of the Emotiv EEG Neuroheadset [12].

Number of channels	14 (plus CMS/DRL references)
Channel names (Int. 10–20 locations)	AF3, AF4, F3, F4, F7, F8, FC5, FC6, P3 (CMS), P4 (DRL), P7, P8, T7, T8, O1, O2
Sampling method	Sequential sampling, single ADC
Sampling rate	~128 Hz (2048 Hz internal)
Resolution	16 bits (14 bits effective) 1 LSB = 0.51 μV
Bandwidth	0.2–45 Hz, digital notch filters at 50 Hz and 60 Hz
Dynamic range (input referred)	256 mVpp
Coupling mode	AC coupled
Connectivity	Proprietary wireless, 2.4 GHz band
Battery type	Li-poly
Battery life (typical)	12 hrs
Impedance measurement	Contact quality using patented system