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Slow oscillation–spindle coupling strength predicts real-life gross-motor learning in adolescents and adults
Previously, we demonstrated that precise temporal coordination between slow oscillations (SOs) and sleep spindles indexes declarative …
Michael Hahn
,
K. Bothe
,
D. Heib
,
M. Schabus
,
Randolph Helfrich
,
K. Hoedlmoser
PDF
DOI
Aperiodic sleep networks promote memory consolidation
Hierarchical synchronization of sleep oscillations establishes communication pathways to support memory reactivation, transfer, and …
Randolph Helfrich
,
Janna Lendner
,
R. Knight
PDF
DOI
Top–Down Attentional Modulation in Human Frontal Cortex: Differential Engagement during External and Internal Attention
Decades of electrophysiological research on top–down control converge on the role of the lateral frontal cortex in facilitating …
J. Kam,
,
Randolph Helfrich
,
A. Sobbak
,
T. Endestad
,
P. Larsson
,
J. Lin
,
R. Knight
PDF
DOI
An electrophysiological marker of arousal level in humans
Deep non-rapid eye movement sleep (NREM) and general anesthesia with propofol are prominent states of reduced arousal linked to the …
Janna Lendner
,
Randolph Helfrich
,
B. Mander
,
L. Romundstad
,
J. Lin
,
M. Walker
,
P. Larsson
,
R. Knight
PDF
DOI
Slow oscillation-spindle coupling predicts enhanced memory formation from childhood to adolescence
Precise temporal coordination of slow oscillations (SO) and sleep spindles is a fundamental mechanism of sleep-dependent memory …
Michael Hahn
,
D. Heib
,
M. Schabus
,
K. Hoedlmoser
,
Randolph Helfrich
PDF
DOI
Bidirectional prefrontal-hippocampal dynamics organize information transfer during sleep in humans
How are memories transferred from short-term to long-term storage? Systems-level memory consolidation is thought to be dependent on the …
Randolph Helfrich
,
Janna Lendner
,
B. Mander
,
H. Guillen
,
M. Paff
,
L. Mnatsakanyan
,
S. Vadera
,
M. Walker
,
J. Lin
,
R. Knight
PDF
DOI
Neural entrainment and network resonance in support of top-down guided attention
Which neural mechanisms provide the functional basis of top-down guided cognitive control? Here, we review recent evidence that suggest …
Randolph Helfrich
,
A. Breska
,
R. Knight
PDF
DOI
Sleep as a Potential Biomarker of Tau and Beta-Amyloid Burden in the Human Brain
Recent proposals suggest that sleep may be a factor associated with accumulation of two core pathological features of Alzheimer’s …
J. Winer
,
B. Mander
,
Randolph Helfrich
,
A. Maass
,
T. Harrison
,
S. Baker
,
R. Knight
,
W. Jagust
,
M. Walker
PDF
DOI
Neural Mechanisms of Sustained Attention Are Rhythmic
Classic models of attention suggest that sustained neural firing constitutes a neural correlate of sustained attention. However, recent …
Randolph Helfrich
,
I. Fiebelkorn
,
S. Szczepanski
,
J. Lin
,
J. Parvizi
,
R. Knight
,
S. Kastner
PDF
DOI
Old Brains Come Uncoupled in Sleep: Slow Wave- Spindle Synchrony, Brain Atrophy, and Forgetting
The coupled interaction between slow-wave oscillations and sleep spindles during non-rapid-eye-movement (NREM) sleep has been proposed …
Randolph Helfrich
,
B. Mander
,
W. Jagust
,
R. Knight
,
M. Walker
PDF
DOI
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