2022 Conference Schedule

Last updated on 07.05.2022
Day 1: Tuesday, 17 May 2022
10:30 Opening remarks
11:00 Ultraflexible implantable peripheral nerve cuffs for stable, high-resolution long-term in vivo recording and stimulation UNIVERSITY OF CAMBRIDGE / UNITED KINGDOM
11:20 Hybrid fabrication of multimodal intracranial implants for electrophysiology and local drug delivery UNIVERSITÄT POTSDAM / GERMANY
11:40 Dorsal root ganglion (drg) versatile stimulator prototype developed for use in locomotion recovery early clinical trials FRAUNHOFER-INSTITUTE FOR RELIABILITY AND MICROINTEGRATION IZM / GERMANY
12:00 Break
13:30 Unobtrusive chronic EEG acquisition with flex-printed electrode arrays FRAUNHOFER IDMT / GERMANY
13:55 Label-free detection of action potentials from membrane micromotion UNIVERSITY OF ROSTOCK / GERMANY
14:20 Using a single spectral EEG measure based on differential spectrum for quantification of changes in objective sleepiness FEDERAL RESEARCH CENTRE FOR FUNDAMENTAL AND TRANSLATIONAL MEDICINE / GERMANY
14:45 Break
15:15 Decoding Resting-state EEG to Predict Visual Field Defect with Convolutional Neural Network in Stroke UNIVERSITY TUEBINGEN / GERMANY
15:40 SSVEPS with lcd glasses for mobile EEG and real world neuroscience LMU MUNICH / GERMANY
16:00 Gaze-independent bci control based on covert visual spatial attention LEIBNIZ INSTITUTE FOR NEUROBIOLOGY / GERMANY
16:15 Brain technologies, audiovisual perception and brain-computer interface UNIVERSITAT AUTÒNOMA DE BARCELONA AND INSTITUTO RTVE / SPAIN
16:30 End
Day 2: Wednesday, 18 May 2022
10:30 Opening remarks  
10:55 Conformal encapsulation of active neural interfaces FRAUNHOFER INSTITUTE FOR RELIABILITY AND MICROINTEGRATION IZM / GERMANY
11:15 Prediction of individual intelligibility for speech in noise UNIVERSITÄTSKLINIKUM ERLANGEN - HNO-KLINIK / GERMANY
11:35 Signatures of transcranial alternating current stimulation (tacs) aftereffects in EEG SYTE INSTITUTE / GERMANY
12:00 Break
13:30 EEG neurofeedback as an instrument to capture EEG correlates of mental states CHARLES UNIVERSITY IN PRAGUE / CZECH REPUBLIC
13:50 Analysis of event-related potentials: have you thought of tagging latency? GIPSA-LAB / FRANCE
14:10 First steps to the classification of erps using quantum computation IBM / POLAND
14:30 Real-time anxiety prediction in Virtual Reality using EEG UNIVERSITY COLLEGE CORK / IRELAND
14:40 Break
15:10 Body-based intervention of cognition MIT / UNITED STATES
15:55 Data-driven compression techniques for modelling dynamics of complex neuronal systems INESC-ID LISBOA / PORTUGAL
16:20 Continuous monitoring for early detection of neuro degenerative disease Tata Consultancy Services / UNITED KINGDOM
16:40 End


Last updated: 12.05.2022
The information contained herein is subject to change without prior notice.

Unobtrusive chronic EEG acquisition with flex-printed electrode arrays
Fraunhofer IDMT

Brain-electrical activity as measured by the electroencephalogram (EEG) contains rich information about user states, health conditions and mental processing demands, yet this technology is largely constrained to stationary conditions. Our goal is the development of miniaturized, unobtrusive EEG systems that could be used in everyday life. Possible application scenarios are the monitoring of epileptic activity, auditory attention tracking and the assessment of sleep quality. For this purpose, we have developed different flex-printed electrode arrays (cEEGrid, fEEGrid, trEEGrid) that can be placed around the ear and along the hairline. Our devices feature good signal quality over longer periods of time without causing discomfort. Several validation studies are presented and remaining challenges for the development of everyday life EEG are identified.

Ultraflexible implantable peripheral nerve cuffs for stable, high-resolution long-term in vivo recording and stimulation
University of Cambridge

Peripheral nerve implants hold great potential for the development of treatments for a wide range of clinical conditions, whether by recording electrical activity carried by nerves, or influencing it through electrical stimulation. Stable high-resolution nerve interfacing is, however, by the breakdown of the tissue-implant interface due to the development of the foreign body reaction (FBR) between the two over chronic implantation periods of time. We have developed ultraflexible parylene-C nerve cuff implants containing PEDOT:PSS multi-electrode arrays, and tested these in in vivo chronic rat forearm nerve models. Our devices minimise the development of FBR by virtue of their low-invasive cuff design, as well as the use of ultraflexible materials, while the low-impedance microelectrodes enable both sub-nerve resolution recording and simulation.

Signatures of transcranial alternating current stimulation (tACS) aftereffects in EEG
Syte Institute

Machine-learning approaches to analyze single-trial EEG signals have been mostly used in the context of brain-machine interface and in automated clinical diagnostics. In this talk I will discuss our recent study in which we classified EEG signals using machine-learning to detect subtle signatures of neuroplasticity after non-invasive transcranial alternating current stimulation (tACS). Why is this important? non-invasive brain stimulation has been out there for some time now, claiming effects on behaviour and various clinical conditions but only little evidence exist on the effects of non-invasive current stimulation on actual brain activity (and some contradicting evidence). Thus, if we want to enable this method for the next generation of theraputics for depression, migraine, tremor, and many more... we have to investigate the specific effects of this mehod on brain activity.

Prediction of Individual Intelligibility for Speech in Noise
Universitätsklinikum Erlangen - HNO-Klinik

Understanding speech in noise is one of the most challenging tasks of the auditory system. Several test methods evaluate the individual intelligibility for speech in noise. Unfortunately, all these tests depend on the cooperation of the tested person. Hence, objective methods are useful for clinical diagnostics. In our studies, we found that the EEG response pattern to sentences presented in noise systematically varies with the signal to noise ratio. These findings were used to predict whether the intelligibility of presented sentences is below or above the individual speech reception threshold with an accuracy up to 89%.

First steps to the classification of ERPs using quantum computation

We present a work in progress concerning the classification of EEG data using quantum computing. The practical steps of the classification pipeline are explained from an engineering point of view. Then we discuss perspectives and further research directions.

Using a Single Spectral EEG Measure Based on Differential Spectrum for Quantification of Changes in Objective Sleepiness
Federal Research Centre for Fundamental and Translational Medicine

Accurate and objective measurement of sleepiness level can have important implications for reducing the threats of sleep loss to safety, productivity, and public health. It was previously suggested that a single EEG measure based on a differential spectrum can be used for quantification of sleepiness. The present report was aimed on providing evidence for utility of this measure for monitoring changes in objective sleepiness during sleep deprivation. I demonstrated that the time course of subjective sleepiness strongly correlated with the time cause of suggested single spectral EEG measure of sleepiness, with the correlation coefficient of higher than 0.98, and concluded that this single spectral EEG measure based can help in quantification of changes in objective sleepiness level during sleep deprivation.

Label-free detection of action potentials from membrane micromotion
University of Rostock

Cellular micromotion—a tiny movement of cell membranes on the nm to μm scale—has been proposed as a pathway for inter-cellular signal transduction and as a label-free proxy signal to neural activity. Imaging action potentials of single cells could be possible in this way, thanks to modern high-speed cameras and image analysis. We will present proof-of-concept work to demonstrate label-free detection of action potentials on cardiomyocyte cells. Our work harnesses several recent approaches of signal processing to detect micromotion in video recordings of unlabeled cells. Our survey includes spectral filtering of the video signal, matched filtering, as well as 1D and 3D convolutional neural networks acting on pixel-wise time-domain data and a whole recording respectively.

Continuous monitoring for early detection of neuro degenerative disease
Tata Consultancy Services
United Kingdom

Neuro-degenerative disease poses challenges and places a huge burden on the national healthcare system. Although, there is no known therapy, early detection and management can substantially decrease the burden and improve the quality of life of the patient. Continuous monitoring in real world environment can give better insights into this disease. However, capturing the EEG signals is very cumbersome. In this work, we propose Ear EEG acquisition system and early detection algorithms powered by next generation artificial intelligence. There are multiple challenges for ear-wearable EEG sensors starting from signal acquisition to electrode placement to the associated algorithms. Further to this, for the sake of validation, a low dose CT image reconstruction technique is developed that helps in confirming the progression.

Brain Technologies, Audiovisual Perception and Brain-Computer Interface
Universitat Autònoma de Barcelona and Instituto RTVE

Brain technologies can be applied to analysis of perception of audiovisual contents. We work with the idea that by learning how brain processes media content, we can create research stimuli with a better strategy. By finding correlations between brain cognitive patterns and audiovisual stimuli, BCI (brain-computer interface) studies can design audiovisual stimuli maximizing the chances of success. So far, we have found: (1) viewers change eyeblink rate based on narrative content; (2) the style of edition of audiovisuals affect viewers brain activity; (3) media professionals show different cognitive neurodynamics during audiovisual cuts; among others. These results can be of interest for designing optimal audiovisual stimuli for BCI protocols.

Jitter Matters: A Game for Reproducible EEG
National Institute of Mental Health in Klecany
Czech Republic

Our goal is to attract attention of the EEG community towards seriousness of the JITTER problem in EEG research and applications. This simple game illustrates the problem of technical jitter, namely how much information gets lost when even slight technical jitter is introduced. Your goal is to tap your finger in a stable rhythm. You will see that as your rhythm gets more steady, e.g. your tap jitter disapeares, the picture of auditory steady state response will get clearer. Precise jitter-free measurement means less information is getting lost.

Precision Laser Pupillometry

Conformal encapsulation of active neural interfaces
Fraunhofer Institute for Reliability and Microintegration IZM

Recently there has been a surge in interest in small smart implants that can replace traditional chemical medicines. These so called bioelectronic medicines directly intervene with nerves leading to a specific organ. These bioelectronic implants require a biocompatible, long-term reliable packaging. Traditional titanium housings are expensive and bulky. At Fraunhofer IZM and Delft University of Technology we have been investigating conformal encapsulation for active implants. In particular, we have been conducting year-long ageing and in vivo studies on polymeric and thin-film single and multi-layer encapsulation approaches on a variety of substrates. In this talk we will be presenting our findings and how conformal encapsulation can be a reliable enabling technology for long-lived mm-sized implantable devices.

Body-based intervention of cognition
United States

Previous studies on aesthetic chills (i.e., psychogenic shivers) demonstrate their positive effects on stress, pleasure, and social cognition. We tested whether we could artificially enhance this emotion and its downstream effects by intervening on its somatic markers using wearable technology. We built a device generating cold and vibrotactile sensations down the spine of subjects in temporal conjunction with a chill-eliciting audiovisual stimulus, enhancing the somatosensation of cold underlying aesthetic chills. Results suggest that participants wearing the device experienced significantly more chills, and chills of greater intensity. Further, these subjects reported sharing the feelings expressed in the stimulus to a greater degree, and felt more pleasure during the experience. These preliminary results demonstrate that emotion prosthetics and somatosensory interfaces offer new possibilities of modulating human emotions from the bottom-up (body to mind). Future challenges will include testing the device on a larger sample and diversifying the type of stimuli to account for negatively valenced chills and intercultural differences. Interoceptive technologies offer a new paradigm for affective neuroscience, allowing controlled intervention on conscious feelings and their downstream effects on higher-order cognition.

Analysis of Event-Related Potentials: Have you thought of tagging latency?

This presentation focus on the analysis of latency while recording event-related potentials with electroencephalography. We show that this latency depends on subjective but also technical factors, and may leads to a wrong interpretation of the cognitive function.

SSVEPs with LCD glasses for mobile EEG and real world neuroscience
LMU Munich

We have recently published a demonstration of a new method using LCD glasses to create Steady State Visually Evoked Potentials (SSVEPs). This method allows SSVEPs to be generated from anything the participant is looking at in the real world. SSVEPs have an excellent signal-to-noise ratio and we have shown that clean signals can be recovered during walking, from single electrodes. This is therefore a solution to mobile EEG recordings that does not require the large numbers of electrodes that other approaches do (e.g. ICA). We have demonstrated that this method works at high frequencies, when the flicker is not perceivable, and can be combined with dry electrodes, and as such is a good solution for EEG in everyday situations.

Effect of neurofeedback on post-COVID-19 fatigue,anxiety and depression
Department of Medical Biophysics and Medical Informatics, Third Faculty of Medicine, Charles University in Prague
Czech Republic

Fatigue, anxiety and depression are frequent post-COVID-19 neurological symptoms. In this pilot study, we tested effect of neurofeedback therapy (Othmer method) on post-COVID-19 fatigue, anxiety and depression. Five neurofeedback sessions resulted in a significant reduction in post-COVID-19 anxiety and depression and in insignificant reduction of fatigue which persisted up to 1 month after neurofeedback. Positive correlations were found between fatigue, anxiety and depression before, immediately after, 1 week after and 1 month after neurofeedback. Reduction in depression and fatigue were significantly positively correlated with each other. Based on these outcomes, the Othmer neurofeedback method represents effective treatment for reduction of post-COVID-19 anxiety and depression as well as for investigation of interrelatedness of neurological post-COVID-19 complications.

Gaze-independent BCI control based on covert visual spatial attention
Leibniz Institute for Neurobiology

Directing attention to features of visually presented items is a common approach to control brain-computer interfaces (BCI). Most approaches which rely on attention, also require to direct the gaze to the target and benefit from sensory input. In oddball paradigms, the P300, a component following target stimuli but not distracting standard stimuli, is detected. This component reflects attention in temporal but not in spatial differences of stimulus events. We present a new BCI approach, which decodes covert spatial attention shifts to targets presented in either visual hemi-field. Since target and distractors are shown simultaneously, only spatial information is decoded, not requiring gaze shifts. We show that the approach is suitable for reliable BCI control in a two-class and four-class scenario.

Dorsal root ganglion (drg) versatile stimulator prototype developed for use in locomotion recovery early clinical trials
Fraunhofer-Institute for Reliability and Microintegration IZM

The Fraunhofer Institute for Reliability and Microintegration (IZM) presents the development of a Dorsal Root Ganglion (DRG) stimulator system intended for use in early clinical trials for motor recovery after Spinal Cord Injury (SCI). It allows for independent control of multisite/multilevel bilateral stimulation, it can supply a high output current of 25.4mA, and has the ability to program pulse sequences similar to actual locomotion patterns. The device is created using commercially available components to make the design reproducible by other research labs and to facilitate the critical approval procedure for use in a clinical research environment. Throughout the design phase, essential considerations regarding the safety of the participating patient, as well as of the medical personnel involved, were taken into account.

Data-driven compression techniques for modelling dynamics of complex neuronal systems

Our research group in Lisbon, Portugal is currently developing modelling techniques and algorithms for efficient simulation of nonlinear dynamics in neurons, biologically-realistic neuronal networks and other neural recordings (EEGs, fMRI). We use our expertise in electrical simulation and model reduction to build and simulate biological networks at different spatial and temporal scales. Recently, starting from 3D reconstructions of neurons and biophysical description of synapses, we developed a high-fidelity representation of the nematode C.elegans’s connectome. Input-output sequences resulting from its simulation under different scenarios were used to build data-driven models to predict the nervous system’s behavioural response to a variety of different stimuli. The methods used include model order reduction for nonlinear systems and (physics-informed) machine learning techniques (recurrent neural networks).

Real-time anxiety prediction in Virtual Reality using EEG
University College Cork

Emotion detection using brain activity is not a new subject in the literature. However, the use of EEG devices with Virtual Reality is complicated. As head-mounted displays are placed on the user's head, it can be challenging to place an EEG device with multiple nodes while maintaining comfort. Furthermore, frequent movement of the user's head can affect the signal quality negatively. In my presentation, I will summarise the current challenges and the way to overcome these challenges; including using multi-modal data and machine learning to make up for noisy data, as well as signal-processing from a single dry node.

Hybrid fabrication of multimodal intracranial implants for electrophysiology and local drug delivery
Universität Potsdam

New fabrication approaches for flexible materials hold the key to advancing the applications of bioelectronics in neuroscience and the clinic. By combining the high precision of microfabrication for a bioelectronic array with the versatility of stereolithography for microfluidics, we are showing a new, straight-forward approach for the fabrication of intracranial probes capable of multichannel LFP recordings and convection-enhanced drug delivery. The mechanical and electrical properties are characterised, and the functions are validated in an in vivo model. We show simultaneous recording and pharmaceutically modulation of hippocampal activity. Chronic implantation show good stability and minimal tissue response one-week post-implantation. Our work shows the potential of hybrid fabrication combining different manufacturing technologies and paves the way for new approaches to multimodal probes.

The sounds of feedback - Developing modular sonic EEG neurofeedback interface
Charles University in Prague
Czech Republic

We developed and tested (n=26, a total of 99 sessions) a series of sonic EEG neurofeedback games. The games work on two distinct principles. The first group of games provides feedback about the momentary distance from the threshold. The second group provides feedback about time spent over (or under) a set threshold. The games were created in the languages Pure data and Faust. Both the neurofeedback parameters and the sonic parameters are user-editable. The individual game modules can be used in parallel, or in a custom sequential chain. Though primarily intended for EEG neurofeedback applications, our program can be useful in music or art and science projects, as it allows intuitive incorporation of the brain signals into audio-visual content streams.

EEG neurofeedback as an instrument to capture EEG correlates of mental states
Charles University in Prague
Czech Republic

We developed and tested four sonic games responsive to changes in EEG band power. 26 participants in four studies played the neurofeedback games, encouraged to find their own strategies to control the specific neurofeedback parameter. Mixed method analysis of performance in the games and post-session interviews where the probands described what strategies they used, led to the identification of subjective mental states that correlated with success in the game. One of the principal findings of the series of studies is that increase in left frontal beta activity was facilitated by evoking interest in observed surroundings (in contrast, inner counting or planning of quotidian tasks did not lead to an increase in the band power). Currently, an experiment is taking place to validate this finding.

Decoding Resting-state EEG to Predict Visual Field Defect with Convolutional Neural Network in Stroke
University Tuebingen

Stroke is one of the leading factors of human beings’ death and disability. One-third of stroke patients may suffer partial visual field loss in both eyes. Decoding resting-state Electroencephalography (EEG) to predict patients’ visual field distribution could be an essential reference for a better understanding of the compensation of visual functions after a stroke. The result could be beneficial for clinical diagnostics and treatment. This poster proposed a frequency spectrum-based 2D convolutional neural network (CNN) and brain connectivity-based 3DCNN model to predict the visual field defect. The results show that the frequency spectrum-based 2DCNN achieved a higher accuracy on visual field location rather than percentage. And we explored the patterns of electrophysiological data for feature visualization and explanation.

We are fully booked for 2022 - You are welcome to submit a proposal for 2023.


  • Tuesday, 20 June 2023: from 10:00 to 18:00
  • Wednesday, 21 June 2023: from 10:00 to 17:00
  • WISTA Management Conventions. Rudower Chaussee 17, 12489 Berlin, Germany.

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