A new built-in continuous impedance monitoring capability is
now available as an option with the Discovery 20 amplifier. Using the same
proven approach as the Atlantis devices, this hardware upgrade can be provided
for any existing Discovery amplifiers, providing continuous measurement of all
sensor impedances. Sensor impedance values can be read into the BrainAvatar 4.0
software (optional) and displayed on a live head map, revealing instantaneous
and continuous monitoring or sensor impedance values.
The BrainMaster Discovery 20 channel biofeedback device
introduces a new price and value point into the world of EEG and QEEG. It is
quite simply the most affordable and versatile whole-head EEG, with
high-quality clinical grade EEG acquisition and a large range of available
software and features. Like its big brother, the Discovery 24E, it provides
24-bit conversion with an internal sampling rate of 1024 samples/second and 256
sps data rate to the PC, providing 20 high-resolution and aliasing-free
signals. It has a bandwidth of 0.000 to 60 Hz, providing accurate recording of
EEG from DC offset up to gamma and above. It operates with the full range of
BrainMaster 4.0 software, including the BrainAvatar package, as well as
compatibility with industry-standard packages such as BrainDX, NewMind, WinEEG,
SKIL, EEGLab, NeuroGuide and others. Discovery 20 recordings can be used in
virtually all types of analysis, and provide noise-free signals suitable for
mapping, Z-Scores, live Z-Score training, and live sLORETA imaging and
Z-Scores. With true DC capability, it excels for use in slow-cortical potential
(SCP), or Infra-Low Frequency (ILF) or Infra-Slow Fluctuation (ISF) research
and clinical practice. The optional impedance-sensing lid is also available, as
are optional outputs for photic, auditory, or magnetic stimulation, and an
optional event button input.