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Items: 18

1.

Bidirectional prefrontal-hippocampal dynamics organize information transfer during sleep in humans.

Helfrich RF, Lendner JD, Mander BA, Guillen H, Paff M, Mnatsakanyan L, Vadera S, Walker MP, Lin JJ, Knight RT.

Nat Commun. 2019 Aug 8;10(1):3572. doi: 10.1038/s41467-019-11444-x.

2.

Cognitive neurophysiology: Event-related potentials.

Helfrich RF, Knight RT.

Handb Clin Neurol. 2019;160:543-558. doi: 10.1016/B978-0-444-64032-1.00036-9.

PMID:
31277875
3.

Sleep as a Potential Biomarker of Tau and β-Amyloid Burden in the Human Brain.

Winer JR, Mander BA, Helfrich RF, Maass A, Harrison TM, Baker SL, Knight RT, Jagust WJ, Walker MP.

J Neurosci. 2019 Aug 7;39(32):6315-6324. doi: 10.1523/JNEUROSCI.0503-19.2019. Epub 2019 Jun 17.

PMID:
31209175
4.

Neural entrainment and network resonance in support of top-down guided attention.

Helfrich RF, Breska A, Knight RT.

Curr Opin Psychol. 2019 Jan 2;29:82-89. doi: 10.1016/j.copsyc.2018.12.016. [Epub ahead of print] Review.

PMID:
30690228
5.

Neural Mechanisms of Sustained Attention Are Rhythmic.

Helfrich RF, Fiebelkorn IC, Szczepanski SM, Lin JJ, Parvizi J, Knight RT, Kastner S.

Neuron. 2018 Aug 22;99(4):854-865.e5. doi: 10.1016/j.neuron.2018.07.032.

PMID:
30138591
6.

The rhythmic nature of visual perception.

Helfrich RF.

J Neurophysiol. 2018 Apr 1;119(4):1251-1253. doi: 10.1152/jn.00810.2017. Epub 2017 Dec 20.

7.

Old Brains Come Uncoupled in Sleep: Slow Wave-Spindle Synchrony, Brain Atrophy, and Forgetting.

Helfrich RF, Mander BA, Jagust WJ, Knight RT, Walker MP.

Neuron. 2018 Jan 3;97(1):221-230.e4. doi: 10.1016/j.neuron.2017.11.020. Epub 2017 Dec 14.

8.

Prefrontal cortex modulates posterior alpha oscillations during top-down guided visual perception.

Helfrich RF, Huang M, Wilson G, Knight RT.

Proc Natl Acad Sci U S A. 2017 Aug 29;114(35):9457-9462. doi: 10.1073/pnas.1705965114. Epub 2017 Aug 14.

9.

How Does Expectation Shape Object-Based Attentional Selection?

Slama SJK, Helfrich RF.

J Neurosci. 2017 Apr 26;37(17):4427-4429. doi: 10.1523/JNEUROSCI.0414-17.2017. No abstract available.

10.

Oscillatory Dynamics of Prefrontal Cognitive Control.

Helfrich RF, Knight RT.

Trends Cogn Sci. 2016 Dec;20(12):916-930. doi: 10.1016/j.tics.2016.09.007. Epub 2016 Oct 12. Review.

11.

Spectral fingerprints of large-scale cortical dynamics during ambiguous motion perception.

Helfrich RF, Knepper H, Nolte G, Sengelmann M, König P, Schneider TR, Engel AK.

Hum Brain Mapp. 2016 Nov;37(11):4099-4111. doi: 10.1002/hbm.23298.

PMID:
27347668
12.

Different coupling modes mediate cortical cross-frequency interactions.

Helfrich RF, Herrmann CS, Engel AK, Schneider TR.

Neuroimage. 2016 Oct 15;140:76-82. doi: 10.1016/j.neuroimage.2015.11.035. Epub 2015 Nov 23.

PMID:
26608244
13.

EEG oscillations: From correlation to causality.

Herrmann CS, Strüber D, Helfrich RF, Engel AK.

Int J Psychophysiol. 2016 May;103:12-21. doi: 10.1016/j.ijpsycho.2015.02.003. Epub 2015 Feb 4. Review.

PMID:
25659527
14.

Selective modulation of interhemispheric functional connectivity by HD-tACS shapes perception.

Helfrich RF, Knepper H, Nolte G, Strüber D, Rach S, Herrmann CS, Schneider TR, Engel AK.

PLoS Biol. 2014 Dec 30;12(12):e1002031. doi: 10.1371/journal.pbio.1002031. eCollection 2014 Dec.

15.

Entrainment of brain oscillations by transcranial alternating current stimulation.

Helfrich RF, Schneider TR, Rach S, Trautmann-Lengsfeld SA, Engel AK, Herrmann CS.

Curr Biol. 2014 Feb 3;24(3):333-9. doi: 10.1016/j.cub.2013.12.041. Epub 2014 Jan 23.

16.

Modulation of cortical network activity by transcranial alternating current stimulation.

Helfrich RF, Schneider TR.

J Neurosci. 2013 Nov 6;33(45):17551-2. doi: 10.1523/JNEUROSCI.3740-13.2013. No abstract available.

17.

Processing of coherent visual motion in topographically organized visual areas in human cerebral cortex.

Helfrich RF, Becker HG, Haarmeier T.

Brain Topogr. 2013 Apr;26(2):247-63. doi: 10.1007/s10548-012-0226-1. Epub 2012 Apr 19.

PMID:
22526896
18.

Report of the removal of a teratoma from the left lateral retroperitoneal space.

WISE WD, HELFRICH RF.

Surgery. 1957 Apr;41(4):645-53. No abstract available.

PMID:
13422094

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