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NCG-ENGAGE HR

biofeedback device for heart rate determination

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NCG-ENGAGE HR is a biofeedback device which allows the therapist to measure the heart rate during TMS of the DLPFC (dorsolateral prefrontal cortex). The autonomically working NCG-ENGAGE HR device reports analyzed heart beat intervals permanently.

Neuro-Cardiac-Guided TMS
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Features

touch display for presenting data and user interaction
easy-to-use ECG cable for safe recording during TMS
connecting cables for receiving the trigger from different TMS devices
TMS trigger and ECG stored on SD card (EDF+ format)

Specifications

R wave detection sensitivity 99.9 %
R wave specificity 99.1 % (own data bases without TMS artefacts)
24 bit resolution / SNR > 90 dB / noise RTI < 15 μVpp
ECG input for neuroConn‘s ECG cable
input for medical DC power supply
trigger input (BNC 5V TTL)
SD card: speed class ≥ 10 / memory capacity ≥ 16 GB / reading speed ≥ 90 MB/s / writing speed ≥ 45 MB/s

Product-related downloads

NCG-ENGAGE HR
product brochure English

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NCG-ENGAGE HR
product brochure for USA

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Latest Research on Neuro-Cardiac Guided rTMS

Visit Brainclinics Research

Many studies suggest the role of the connectivity of the dorsolateral prefrontal cortex (DLPFC) and the subgenual anterior cingulate cortex (sgACC) in depression. Prior research has demonstrated that neuromodulation of either of these nodes modulates the parasympathetic activity and results in a heart rate deceleration.

A new method called "Neuro-Cardiac Guided rTMS (NCG-rTMS)" helps to adequately target the frontal-vagal network. Iseger et al.1,2 show that the NCG-rTMS reliably locates the point of greatest heart rate deceleration at the DLPFC. Data from other research groups could also replicate this. Due to functional differences, this point is located at different positions in the individual patients. In many people it is located in the FC3/FC4 range. In this case rTMS treatment according to the 5 cm rule is recommended. In some people, however, it is localized around F3 or F4. Then the rTMS according to the BeamF3 method will probably be more effective.

The NCG-rTMS thus offers a way to find the most effective individual access to the frontal-vagal network via feedback of the heart rate.

See further research.

1 Iseger TA et al., 2017:
Neuro-Cardiac-Guided TMS (NCG-TMS): Probing DLPFC-sgACC-vagus nerve connectivity using heart rate - First results.
(https://www.brainstimjrnl.com/article/S1935-861X(17)30793-3/abstract)

2 Iseger TA et al., 2018:
Optimizing TMS Treatment for Depression Using Cardiac Response With Neuro-Cardiac-Guided-TMS (NCG TMS) (https://www.biologicalpsychiatryjournal.com/article/S0006-3223(18)30254-3/fulltext)

Iseger TA et al., 2020:
A fronto-vagal network theory for Major Depressive Disorder: Implications for optimizing neuromodulation techniques
(https://www.sciencedirect.com/science/article/pii/S1935861X19304139)

Kaur M et al., 2020
Investigating high- and low-frequency neuro-cardiac-guided TMS for probing the frontal vagal pathway
(https://www.sciencedirect.com/science/article/pii/S1935861X20300553)

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