Randolph Helfrich
Randolph Helfrich
Principal Investigator, Center for Neurology, University Medical Center Tuebingen
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Cited by
Entrainment of brain oscillations by transcranial alternating current stimulation
RF Helfrich, TR Schneider, S Rach, SA Trautmann-Lengsfeld, AK Engel, ...
Current biology 24 (3), 333-339, 2014
EEG oscillations: from correlation to causality
CS Herrmann, D Strüber, RF Helfrich, AK Engel
International Journal of Psychophysiology 103, 12-21, 2016
Old brains come uncoupled in sleep: slow wave-spindle synchrony, brain atrophy, and forgetting
RF Helfrich, BA Mander, WJ Jagust, RT Knight, MP Walker
Neuron 97 (1), 221-230. e4, 2018
Neural mechanisms of sustained attention are rhythmic
RF Helfrich, IC Fiebelkorn, SM Szczepanski, JJ Lin, J Parvizi, RT Knight, ...
Neuron 99 (4), 854-865. e5, 2018
Selective modulation of interhemispheric functional connectivity by HD-tACS shapes perception
RF Helfrich, H Knepper, G Nolte, D Strüber, S Rach, CS Herrmann, ...
PLoS Biol 12 (12), e1002031, 2014
Oscillatory dynamics of prefrontal cognitive control
RF Helfrich, RT Knight
Trends in cognitive sciences 20 (12), 916-930, 2016
An electrophysiological marker of arousal level in humans
JD Lendner, RF Helfrich, BA Mander, L Romundstad, JJ Lin, MP Walker, ...
Elife 9, e55092, 2020
Sleep as a potential biomarker of tau and β-amyloid burden in the human brain
JR Winer, BA Mander, RF Helfrich, A Maass, TM Harrison, SL Baker, ...
Journal of Neuroscience 39 (32), 6315-6324, 2019
Bidirectional prefrontal-hippocampal dynamics organize information transfer during sleep in humans
RF Helfrich, JD Lendner, BA Mander, H Guillen, M Paff, L Mnatsakanyan, ...
Nature communications 10 (1), 3572, 2019
Prefrontal cortex modulates posterior alpha oscillations during top-down guided visual perception
RF Helfrich, M Huang, G Wilson, RT Knight
Proceedings of the National Academy of Sciences 114 (35), 9457-9462, 2017
Slow oscillation-spindle coupling predicts enhanced memory formation from childhood to adolescence
MA Hahn, D Heib, M Schabus, K Hoedlmoser, RF Helfrich
ELife 9, e53730, 2020
Cognitive neurophysiology: Event-related potentials
RF Helfrich, RT Knight
Handbook of clinical neurology 160, 543-558, 2019
Neural entrainment and network resonance in support of top-down guided attention
RF Helfrich, A Breska, RT Knight
Current Opinion in Psychology 29, 82-89, 2019
Different coupling modes mediate cortical cross-frequency interactions
RF Helfrich, CS Herrmann, AK Engel, TR Schneider
Neuroimage 140, 76-82, 2016
Processing of coherent visual motion in topographically organized visual areas in human cerebral cortex
RF Helfrich, HGT Becker, T Haarmeier
Brain topography 26, 247-263, 2013
Aperiodic sleep networks promote memory consolidation
RF Helfrich, JD Lendner, RT Knight
Trends in Cognitive Sciences 25 (8), 648-659, 2021
Spectral fingerprints of large‐scale cortical dynamics during ambiguous motion perception
RF Helfrich, H Knepper, G Nolte, M Sengelmann, P König, TR Schneider, ...
Human brain mapping 37 (11), 4099-4111, 2016
Cognitive neurophysiology of the prefrontal cortex
RF Helfrich, RT Knight
Handbook of clinical neurology 163, 35-59, 2019
Slow oscillation–spindle coupling strength predicts real-life gross-motor learning in adolescents and adults
MA Hahn, K Bothe, D Heib, M Schabus, RF Helfrich, K Hoedlmoser
Elife 11, e66761, 2022
Top–Down Attentional Modulation in Human Frontal Cortex: Differential Engagement during External and Internal Attention
JWY Kam, RF Helfrich, AK Solbakk, T Endestad, PG Larsson, JJ Lin, ...
Cerebral Cortex 31 (2), 873-883, 2021
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