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NEURO PRAX® TMS/tES: TMS and tES compatible full-band DC-EEG bio- and neurofeedback system

The NEURO PRAX® TMS/tES is a full-band DC-EEG system, which is primarily intended for use in neuroscientific applications. The system measures physiological signals such as EEG, EMG and EP in the frequency range of 0 to 1,200 Hz simultaneously and synchronously for all channels. The unique amplifier technology captures EEG activities from infraslow (0 – 0.3 Hz) to ultrafast (80 – 1,200 Hz) frequencies.

The high amplifier dynamics and the high sampling rate make the NEURO PRAX® TMS/tES system particularly suitable for EEG measurement during transcranial magnetic stimulation and transcranial electrical stimulation with direct current (tDCS), alternating current (tACS) and random noise current (tRNS).

We can supply our high-performance full-band DC amplifiers with 32, 46 or 128 channels. The neuroConn software, specially tailored to the hardware, is intuitive, flexible and easy to use. There are a large number of software-based functions available, such as online the online correction on artifacts caused by eye and muscle movements, topographical analyses, spectral and amplitude mapping and online averaging.

CE-certified as bio- and neurofeedback system

The NEURO PRAX® TMS/tES  is a CE-certified bio- and neurofeedback system. It's focus is on the training of slow cortical potentials (SCP) and frequency training. Biofeedback is a treatment method, based on operant conditioning. In this method, the patients receive feedback about their physiological states and changes of these states, which mostly cannot be perceived by the patient.

Neurofeedback is a kind of biofeedback and therefore a method in instrument-based behavioral therapy. It allows the patients to perceive and self-regulate their brain activity. The NEURO PRAX® can be used for neurofeedback in children from 6 years of age, adolescents and adults with impaired self-regulating ability of the brain. The impairment may be manifested at neurological and/or behavioral levels such as ADHD or other diseases.

Areas of application for the NEURO PRAX® TMS/tES:

  • Neurofeedback (SCP and frequencies) in the treatment of ADHD and Epilepsy
  • Recording and analysis of cortical and sub-cortical TMS-EEG activity
  • Investigation of functional connectivity between areas of the brain
  • Investigation of TMS-induced modulation of brain rhythms
  • EEG-triggered TMS/tES stimulation
  • Quantitative EEG analysis and cognitive evoked potentials before, during and after treatment with transcranial stimulation (tDCS-EEG, tACS-EEG, tRNS-EEG)
  • Investigations into the safety of transcranial stimulation
  • MEP-threshold detection and MEP-brain mapping
  • NEURO PRAX® TMS has exclusively a direct data transfer option to BRAINSIGHT® for displaying artifact corrected TMS-EEG data during TMS navigation


The combination of NEURO PRAX® TMS/tES and the DC-STIMULATOR PLUS with the option Signal Out now allows to measure a noise-free EEG during the stimulation with alternating or random noise current.

NEURO PRAX® TMS/tES uses an integrated innovative correction software to eliminate the stimulation-induced noise from the EEG signals. Click on the picture for more detailed information.

Klick on the scientific poster to get detailed information.

Download tACS-EEG brochure (PDF)

Watch this video to learn more about tACS-EEG with neuroConn NEURO PRAX® TMS/tES and DC-STIMULATOR

Noisefree TMS-EEG with NEURO PRAX® TMS/tES

Watch this video to learn more about  TMS-EEG with neuroConn NEURO PRAX® TMS/tES


neuroConn product portfolio for NIBS-EEG



Closed-loop application



Closed-loop apparatis for brain state-dependent tES



hardware artefacts during tES-EEG



tACS-EEG (2013)


Product information for download

Further details and technical data of the NEURO PRAX® TMS/tES can be found in the product brochure:

NEURO PRAX® TMS/tES Brochure for Australia
Download PDF

tacs EEG Brochure
Download PDF

EU Declaration of Conformity NEURO PRAX®
Download PDF

Our other NEURO PRAX® systems