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Population coding and oscillatory subspace synchronization integrate context into actions
Contextual cues and prior evidence guide human goal-directed behavior. The neurophysiological mechanisms that implement contextual …
Jan Martini
,
A. Solbakk
,
A. Blenkmann
,
A. Llores
,
A. Funderud
,
S. Leske
,
P. Larsson
,
J, Ivanovic
,
R. Knight
,
T. Endestad
,
Randolph Helfrich
PDF
DOI
Periodic neglect after frontoparietal lesions provides causal evidence for rhythmic attention sampling
Contemporary models conceptualize spatial attention as a blinking spotlight that sequentially samples visual space. Hence, behavior …
Isabel Raposo
,
S. Szczepanski
,
K. Haaland
,
T. Endestad
,
A. Solbakk
,
R. Knight
,
Randolph Helfrich
PDF
DOI
Subspace partitioning in human prefrontal cortex resolves cognitive interference
The neural basis of flexible cognitive control in humans remains one of the most fascinating mysteries in neuroscience. Evidence from …
Jan Martini
,
Gabriela Iwama
,
A. Solbakk
,
A. Blenkmann
,
P. Larsson
,
J. Ivanovic
,
R. Knight
,
T. Endestad
,
Randolph Helfrich
PDF
DOI
An evolutionary conserved division-of-labor between hippocampal and neocortical sharp-wave ripples organizes information transfer during sleep
Systems-level memory consolidation during sleep depends on the temporally precise interplay between cardinal sleep oscillations. …
Frank van Schalkwijk
,
Jan Martini
,
Michael Hahn
,
Janna Lendner
,
M. Inostroza
,
J. Lin
,
Randolph Helfrich
PDF
DOI
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
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