Helfrich Lab
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Publications
Type
Journal article
Preprint
Book section
Date
2022
2021
2020
2019
2018
2017
Jan Weber
,
Gabriela Iwama
,
A. Solbakk
,
A. Blenkmann
,
P. Larsson
,
J. Ivanovic
,
R. Knight
,
T. Endestad
,
Randolph Helfrich
(2022).
Subspace partitioning in human prefrontal cortex resolves cognitive interference
.
bioRxiv
.
PDF
DOI
Isabel Raposo
,
S. Szczepanski
,
K. Haaland
,
T. Endestad
,
A. Solbakk
,
R. Knight
,
Randolph Helfrich
(2022).
Periodic neglect after frontoparietal lesions provides causal evidence for rhythmic attention sampling
.
bioRxiv
.
PDF
DOI
Frank van Schalkwijk
,
Jan Weber
,
Michael Hahn
,
Janna Lendner
,
M. Inostroza
,
J. Lin
,
Randolph Helfrich
(2022).
An evolutionary conserved division-of-labor between hippocampal and neocortical sharp-wave ripples organizes information transfer during sleep
.
bioRxiv
.
PDF
DOI
Randolph Helfrich
,
R. Knight
,
M. D'Esposito
(2022).
Methods to Study Human Memory
.
Oxford Handbook of Human Memory
.
PDF
Randolph Helfrich
,
R. Knight
(2022).
Neural recordings and time series analyses
.
The SAGE Handbook of Cognitive and Systems Neuroscience
.
PDF
Randolph Helfrich
,
R. Knight
(2022).
Making memories last: How sleep promotes neuroplasticity
.
Changing Brains: Essays on Neuroplasticity in Honor of Helen J. Neville
.
PDF
Randolph Helfrich
(2022).
Human Intracranial Cognitive Neurophysiology
.
Electrophysiological Recording Techniques, Neuromethods
.
PDF
DOI
Janna Lendner
,
Randolph Helfrich
(2022).
How can I run sleep and anesthesia studies with intracranial EEG?
.
Intracranial EEG for Cognitive Neuroscience
.
PDF
DOI
Michael Hahn
,
K. Bothe
,
D. Heib
,
M. Schabus
,
Randolph Helfrich
,
K. Hoedlmoser
(2022).
Slow oscillation–spindle coupling strength predicts real-life gross-motor learning in adolescents and adults
.
eLife
.
PDF
DOI
Jan Weber
,
A. Solbakk
,
A. Blenkmann
,
A. Funderud
,
S. Leske
,
P. Larsson
,
J, Ivanovic
,
R. Knight
,
T. Endestad
,
Randolph Helfrich
(2021).
Population coding and oscillatory subspace synchronization integrate context into actions
.
bioRxiv
.
PDF
DOI
Randolph Helfrich
,
Janna Lendner
,
R. Knight
(2021).
Aperiodic sleep networks promote memory consolidation
.
Trends in Cognitive Sciences
.
PDF
DOI
J. Kam,
,
Randolph Helfrich
,
A. Sobbak
,
T. Endestad
,
P. Larsson
,
J. Lin
,
R. Knight
(2021).
Top–Down Attentional Modulation in Human Frontal Cortex: Differential Engagement during External and Internal Attention
.
Cerebral Cortex
.
PDF
DOI
Janna Lendner
,
Randolph Helfrich
,
B. Mander
,
L. Romundstad
,
J. Lin
,
M. Walker
,
P. Larsson
,
R. Knight
(2020).
An electrophysiological marker of arousal level in humans
.
eLife
.
PDF
DOI
Michael Hahn
,
D. Heib
,
M. Schabus
,
K. Hoedlmoser
,
Randolph Helfrich
(2020).
Slow oscillation-spindle coupling predicts enhanced memory formation from childhood to adolescence
.
eLife
.
PDF
DOI
Randolph Helfrich
,
R. Knight
(2019).
Cognitive neurophysiology: Event-related potentials
.
Handbook of Clinical Neurology
.
PDF
DOI
Randolph Helfrich
,
R. Knight
(2019).
Cognitive neurophysiology of the prefrontal cortex
.
Handbook of Clinical Neurology
.
PDF
DOI
J. Winer
,
B. Mander
,
Randolph Helfrich
,
A. Maass
,
T. Harrison
,
S. Baker
,
R. Knight
,
W. Jagust
,
M. Walker
(2019).
Sleep as a Potential Biomarker of Tau and Beta-Amyloid Burden in the Human Brain
.
The Journal of Neuroscience
.
PDF
DOI
Randolph Helfrich
,
A. Breska
,
R. Knight
(2019).
Neural entrainment and network resonance in support of top-down guided attention
.
Current Opinion in Psychology
.
PDF
DOI
Randolph Helfrich
,
Janna Lendner
,
B. Mander
,
H. Guillen
,
M. Paff
,
L. Mnatsakanyan
,
S. Vadera
,
M. Walker
,
J. Lin
,
R. Knight
(2019).
Bidirectional prefrontal-hippocampal dynamics organize information transfer during sleep in humans
.
Nature Communications
.
PDF
DOI
Randolph Helfrich
,
I. Fiebelkorn
,
S. Szczepanski
,
J. Lin
,
J. Parvizi
,
R. Knight
,
S. Kastner
(2018).
Neural Mechanisms of Sustained Attention Are Rhythmic
.
Neuron
.
PDF
DOI
Randolph Helfrich
,
B. Mander
,
W. Jagust
,
R. Knight
,
M. Walker
(2018).
Old Brains Come Uncoupled in Sleep: Slow Wave- Spindle Synchrony, Brain Atrophy, and Forgetting
.
Neuron
.
PDF
DOI
Randolph Helfrich
(2017).
The rhythmic nature of visual perception
.
Journal of Neurophysiology
.
PDF
DOI
Randolph Helfrich
(2017).
Prefrontal cortex modulates posterior alpha oscillations during top-down guided visual perception
.
PNAS
.
PDF
DOI
S. Katarina Slama
,
Randolph Helfrich
(2017).
How Does Expectation Shape Object-Based Attentional Selection?
.
The Journal of Neuroscience
.
PDF
DOI
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