Accessories

The 1089 Mark III EEG impedance meter provides quick and easy evaluation of total electrode contact impedance and offset voltage between two electrodes. Learn More

Blood Volume Pulse (BVP) Finger Sensor for GP-4 , GP-8 and GP-12 biofeedback devices from Physiocom Designs (formerly J&J Engineering). Can be used for Heart Rate Variability (HRV) training Learn More

Physiocom Magnetic Respiration Sensor Belt for the GP series of biofeedback devices. Learn More

Blood Volume Pulse (BVP) Finger Sensor for GP-4 , GP-8 and GP-12 biofeedback devices from Physiocom Designs (formerly J&J Engineering). Can be used for Heart Rate Variability (HRV) training Learn More

Passive IR (PIR) HEG Headband for use with the Pendant or Pocket A3. Learn More

Input extender for the J&J C2+ 12 channel and 6 channel systems. Learn More

Toomim style HEG(Hemoencephalography)Headband for nIRS (Near infrared spectroscopy). The nIR ("near infra red") HEG (hemo-encephalography) headband measures brain blood oxygenation(blood color) using oximeter principles under the patent from Biocomp Research Laboratories. It can be used differentially (across the forehead from F7 to F8 (in the 10-20 system) according to particular training objectives. Learn More