A5054499453- Atomic and Molecular Physics
- Cold Atom Physics and Bose-Einstein Condensates
- Sports Performance and Training
- EEG and Brain-Computer Interfaces
- Lower Extremity Biomechanics and Pathologies
- Nuclear physics research studies
- Sports Analytics and Performance
- Blind Source Separation Techniques
- Advanced Frequency and Time Standards
- Mass Spectrometry Techniques and Applications
- Advanced Chemical Physics Studies
- Functional Brain Connectivity Studies
- Muscle activation and electromyography studies
- Motor Control and Adaptation
- Neural Networks and Applications
- Sports Dynamics and Biomechanics
- Visual perception and processing mechanisms
- Neuroscience and Neuropharmacology Research
- X-ray Spectroscopy and Fluorescence Analysis
- Noise Effects and Management
- Neural dynamics and brain function
- Osteoarthritis Treatment and Mechanisms
- Spaceflight effects on biology
- Winter Sports Injuries and Performance
- Foot and Ankle Surgery
Friedrich-Alexander-Universität Erlangen-Nürnberg
2008-2025
Hessian Agency for Nature Conservation, Environment and Geology
2021-2023
Technical University of Darmstadt
2014-2019
Johannes Gutenberg University Mainz
2003-2017
GSI Helmholtz Centre for Heavy Ion Research
2013-2017
Fraunhofer Institute for Integrated Circuits
2016
Institute for Sports Medicine
2013
EEG involves recording, analysis, and interpretation of voltages recorded on the human scalp originating from brain grey matter. is one favorite methods to study understand processes that underlie behavior. This so, because relatively cheap, easy wear, light weight has high temporal resolution. In terms behavior, this encompasses actions, such as movements, are performed in response environment. However, there methodological difficulties when recording during movement artifacts. Thus, most...
Abstract Electrons bound in highly charged heavy ions such as hydrogen-like bismuth 209 Bi 82+ experience electromagnetic fields that are a million times stronger than light atoms. Measuring the wavelength of emitted and absorbed by these is therefore sensitive testing ground for quantum electrodynamical (QED) effects especially electron–nucleus interaction under extreme conditions. However, insufficient knowledge nuclear structure has prevented rigorous test strong-field QED. Here we...
Five right-handed patients with a right-sided vestibular neuritis were examined twice fluorodeoxyglucose positron emission tomography while lying supine eyes closed: once during the acute stage (mean, 6.6 days) and then 3 months later when central compensation had occurred. Regional cerebral glucose metabolism (rCGM) was significantly increased (p <0.001 uncorrected) in multisensory cortical subcortical areas (parietoinsular cortex posterior insula, posterolateral thalamus, anterior...
We performed a laser spectroscopic determination of the $2s$ hyperfine splitting (HFS) Li-like $^{209}\text{Bi}^{80+}$ and repeated measurement $1s$ HFS H-like $^{209}\text{Bi}^{82+}$. Both ion species were subsequently stored in Experimental Storage Ring at GSI Helmholtzzentrum f\"ur Schwerionenforschung Darmstadt cooled with an electron cooler velocity $\approx 0.71\,c$. Pulsed excitation $M1$ hyperfine-transition was anticollinear collinear geometry for $\text{Bi}^{82+}$...
The present study compared the physiological, physical, and technical performances during “FUNino” (3 vs. 3) to that of standard competition mode (7 7) under influence two coaching feedback situations (verbal encouragement no verbal encouragement). features a 3-a-side game on small pitch size (20 × 27-meter) with specific scoring rules (scoring within 6 m goal zone) utilizing four goals played without goalkeeper. There are also offsides or throw-ins, however kick- dribble in. Sixteen U11...
Identification of the prognostic factors relevant for long-term survival in differentiated thyroid cancer a homogenously treated patient cohort order to allow better initial risk stratification.Four hundred eighty-four (358 females/126 males) patients with (330 papillary [68.2%]; 154 follicular [31.8%]) were included. Inclusion criteria consisted treatment uniform therapy scheme and continuous aftercare same institution. Initial diagnosis was between 1975-1995 (age at diagnosis, 14-84 years,...
Motion analysis has become an important tool for athletes to improve their performance. However, most motion systems are expensive and can only be used in a laboratory environment. Ambulatory using inertial sensors would allow more flexible use, e.g. real traini
Road-traffic-noise exposition is widespread in Germany and can have harmful health effects. As guidance for informed decision-making, we estimated the environmental burden of disease attributable to road-traffic noise Hesse, as disability-adjusted life-years (DALYs). Using detailed road-traffic-noise exposure data provided by Hessian Agency Nature Conservation, Environment, Geology (HLNUG), calculated DALYs due > 40 dB(A) L24h (unweighted average 24 h level) other metrics endpoints with...
Electromyogenic or muscle artifacts constitute a major problem in studies involving electroencephalography (EEG) measurements. This is because the rather low signal activity of brain overlaid by comparably high muscles, especially neck muscles. Hence, recording an artifact-free EEG during movement physical exercise not, to best knowledge authors, feasible at moment. Nevertheless, measurements are used variety different fields like diagnosing epilepsy and other related diseases biofeedback...
Laser cooling is a powerful technique to reduce the longitudinal momentum spread of stored relativistic ion beams. Based on successful experiments at experimental storage ring GSI in Darmstadt, which we show some important results this paper, present our plans for laser beams future heavy-ion synchrotron SIS100 Facility Antiproton and Ion Research Darmstadt.
We have performed isotope shift measurements in the 2s1/2 → 2p3/2 transition of Be+ ions using advanced collinear laser spectroscopy with two counter-propagating beams. Measurements involving a frequency comb for stabilization and absolute determination allowed us to determine shifts an accuracy 2 MHz. From between 9Be 7, 10, 11Be, high-accuracy mass calculations charge radius reference we determined nuclear radii isotopes 10Be one-neutron halo nucleus 11Be. The results are compared...
We report an improved measurement of the hyperfine splitting in hydrogen-like bismuth (209Bi82+) at experimental storage ring ESR GSI by laser spectroscopy on a coasting beam. Accuracy was about order magnitude compared to first observation 1994. The most important improvement is situ high voltage electron cooler (EC) platform with accuracy 10 ppm level. Furthermore, space charge effect EC current ion velocity determined two independent techniques that provided consistent results. result nm...
In the running community, a forefoot strike (FFS) pattern is increasingly preferred compared with rearfoot (RFS) pattern. However, it has not been fully understood which may better reduce adverse joint forces within different joints of lower extremity.To analyze 3-dimensional (3D) stress in ankle, knee, and hip runners either FFS or RFS pattern.Descriptive laboratory study.In 22 (11 habitual strikers, 11 strikers), patterns were at 3.0 m/s (6.7 mph) on treadmill integrated force plates 3D...
Electroencephalography (EEG) is often used in source analysis studies, which the locations of cortex regions responsible for a signal are determined. For this to be possible, accurate positions electrodes at scalp surface must determined, otherwise errors estimation will occur. Today, several methods acquiring these exist but they not satisfyingly or take long time perform. Therefore, paper we describe method capable determining accurately and fast. This uses an infrared light motion capture...
The long sought after ground-state hyperfine transition in lithium-like bismuth 209Bi80+ was observed for the first time using laser spectroscopy on relativistic ions experimental storage ring at GSI Helmholtz Centre Darmstadt. Combined with corresponding hydrogen-like ion 209Bi82+, it will allow extraction of specific difference between two transitions that is unaffected by magnetic moment distribution nucleus and can therefore provide a better test bound-state QED extremely strong fields.
A single photon counting system has been developed for efficient detection of forward emitted fluorescence photons at the Experimental Storage Ring (ESR) GSI. The employs a movable parabolic mirror with central slit that can be positioned around ion beam and selected low noise photomultiplier collected photons. Compared to previously used segments installed inside ESR collection efficiency forward-emitted is improved by more than factor 5. No adverse effects on stored have observed during...
We have recently reported on the first direct measurement of hyperfine transition in lithium-like bismuth (209Bi80+) at GSI Helmholtz Centre for Heavy Ion Research Darmstadt, Germany. Combined with a new splitting (HFS) hydrogen-like (209Bi82+) so-called specific difference meV could be determined and was found to good agreement its prediction from strong-field bound-state quantum electrodynamics. Here we report additional investigations performed estimate systematic uncertainties these...
Decision-making is the process of selecting a logical choice from among available options and happens as complex in human brain. It based on information processing cost-analysis; it involves psychological factors, specifically, emotions. In addition to cost factors personal preferences have significant influence decision making. For marketing purposes, interesting know how these emotions are related product acquisition improve products according user's preferences. our proof-of-concept...
Abstract To prevent the participants of parabolic flights from nausea they are optionally treated with subcutaneously injected antiemetic scopolamine. The range side effects this substance include reductions α‐2 frequency band. Previous studies, however, have given no information as to which generator centers responsible for effect. objective study therefore, is identify cortex area that may be Six were administered 0.7 mg EEG was recorded 10 minutes before 20 after injection. Data...
Current studies revealed the importance of perceptual training for treatment amblyopia. To improve stereo vision on a higher level, visual tasks have to be completed within limited time window like in repetitive function tests. "Processing time" as reaction which absence or presence depth was identified correctly, is better predictive value perceiving than threshold only.To examine long-term effects dynamic testing stereopsis processing time.15 male soccer athletes (13.3±3.2 years) underwent...