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Propofol Sedation Alters Perceptual and Cognitive Functions in Healthy Volunteers as Revealed by Functional Magnetic Resonance Imaging.

Gross WL, Lauer KK, Liu X, Roberts CJ, Liu S, Gollapudy S, Binder JR, Li SJ, Hudetz AG.

Anesthesiology. 2019 Aug;131(2):254-265. doi: 10.1097/ALN.0000000000002669.


Topographic Reconfiguration of Local and Shared Information in Anesthetic-Induced Unconsciousness.

Lee H, Huang Z, Liu X, Lee U, Hudetz AG.

Entropy (Basel). 2018 Jul;20(7). pii: 518. doi: 10.3390/e20070518. Epub 2018 Jul 10.


Brain imaging reveals covert consciousness during behavioral unresponsiveness induced by propofol.

Huang Z, Vlisides PE, Tarnal VC, Janke EL, Keefe KM, Collins MM, McKinney AM, Picton P, Harris RE, Mashour GA, Hudetz AG.

Sci Rep. 2018 Sep 4;8(1):13195. doi: 10.1038/s41598-018-31436-z.


Disrupted neural variability during propofol-induced sedation and unconsciousness.

Huang Z, Zhang J, Wu J, Liu X, Xu J, Zhang J, Qin P, Dai R, Yang Z, Mao Y, Hudetz AG, Northoff G.

Hum Brain Mapp. 2018 Nov;39(11):4533-4544. doi: 10.1002/hbm.24304. Epub 2018 Jul 4.


Differential Role of Prefrontal and Parietal Cortices in Controlling Level of Consciousness.

Pal D, Dean JG, Liu T, Li D, Watson CJ, Hudetz AG, Mashour GA.

Curr Biol. 2018 Jul 9;28(13):2145-2152.e5. doi: 10.1016/j.cub.2018.05.025. Epub 2018 Jun 21.


Regional entropy of functional imaging signals varies differently in sensory and cognitive systems during propofol-modulated loss and return of behavioral responsiveness.

Liu X, Lauer KK, Ward BD, Roberts CJ, Liu S, Gollapudy S, Rohloff R, Gross W, Xu Z, Chen S, Wang L, Yang Z, Li SJ, Binder JR, Hudetz AG.

Brain Imaging Behav. 2019 Apr;13(2):514-525. doi: 10.1007/s11682-018-9886-0.


Estimating the Integrated Information Measure Phi from High-Density Electroencephalography during States of Consciousness in Humans.

Kim H, Hudetz AG, Lee J, Mashour GA, Lee U; ReCCognition Study Group.

Front Hum Neurosci. 2018 Feb 16;12:42. doi: 10.3389/fnhum.2018.00042. eCollection 2018.


Neural Correlates of Unconsciousness in Large-Scale Brain Networks.

Mashour GA, Hudetz AG.

Trends Neurosci. 2018 Mar;41(3):150-160. doi: 10.1016/j.tins.2018.01.003. Epub 2018 Feb 3. Review.


Timescales of Intrinsic BOLD Signal Dynamics and Functional Connectivity in Pharmacologic and Neuropathologic States of Unconsciousness.

Huang Z, Liu X, Mashour GA, Hudetz AG.

J Neurosci. 2018 Feb 28;38(9):2304-2317. doi: 10.1523/JNEUROSCI.2545-17.2018. Epub 2018 Jan 31.


Fading whispers down the lane: signal propagation in anaesthetized cortical networks.

Mashour GA, Hudetz AG.

Br J Anaesth. 2017 Oct 1;119(4):568-570. doi: 10.1093/bja/aex215. No abstract available.


Bottom-Up and Top-Down Mechanisms of General Anesthetics Modulate Different Dimensions of Consciousness.

Mashour GA, Hudetz AG.

Front Neural Circuits. 2017 Jun 20;11:44. doi: 10.3389/fncir.2017.00044. eCollection 2017.


Propofol, Sevoflurane, and Ketamine Induce a Reversible Increase in Delta-Gamma and Theta-Gamma Phase-Amplitude Coupling in Frontal Cortex of Rat.

Pal D, Silverstein BH, Sharba L, Li D, Hambrecht-Wiedbusch VS, Hudetz AG, Mashour GA.

Front Syst Neurosci. 2017 Jun 13;11:41. doi: 10.3389/fnsys.2017.00041. eCollection 2017.


Fine-Grained Parcellation of Brain Connectivity Improves Differentiation of States of Consciousness During Graded Propofol Sedation.

Liu X, Lauer KK, Ward BD, Roberts CJ, Liu S, Gollapudy S, Rohloff R, Gross W, Xu Z, Chen G, Binder JR, Li SJ, Hudetz AG.

Brain Connect. 2017 Aug;7(6):373-381. doi: 10.1089/brain.2016.0477.


Propofol attenuates low-frequency fluctuations of resting-state fMRI BOLD signal in the anterior frontal cortex upon loss of consciousness.

Liu X, Lauer KK, Douglas Ward B, Roberts C, Liu S, Gollapudy S, Rohloff R, Gross W, Chen G, Xu Z, Binder JR, Li SJ, Hudetz AG.

Neuroimage. 2017 Feb 15;147:295-301. doi: 10.1016/j.neuroimage.2016.12.043. Epub 2016 Dec 16.


Repertoire of mesoscopic cortical activity is not reduced during anesthesia.

Hudetz AG, Vizuete JA, Pillay S, Mashour GA.

Neuroscience. 2016 Dec 17;339:402-417. doi: 10.1016/j.neuroscience.2016.10.023. Epub 2016 Oct 14.


Disconnecting Consciousness: Is There a Common Anesthetic End Point?

Hudetz AG, Mashour GA.

Anesth Analg. 2016 Nov;123(5):1228-1240. Review.


Retino-cortical stimulus frequency-dependent gamma coupling: evidence and functional implications of oscillatory potentials.

Todorov MI, Kékesi KA, Borhegyi Z, Galambos R, Juhász G, Hudetz AG.

Physiol Rep. 2016 Oct;4(19). pii: e12986.


Propofol anesthesia reduces Lempel-Ziv complexity of spontaneous brain activity in rats.

Hudetz AG, Liu X, Pillay S, Boly M, Tononi G.

Neurosci Lett. 2016 Aug 15;628:132-5. doi: 10.1016/j.neulet.2016.06.017. Epub 2016 Jun 9.


Functional and Topological Conditions for Explosive Synchronization Develop in Human Brain Networks with the Onset of Anesthetic-Induced Unconsciousness.

Kim M, Mashour GA, Moraes SB, Vanini G, Tarnal V, Janke E, Hudetz AG, Lee U.

Front Comput Neurosci. 2016 Jan 21;10:1. doi: 10.3389/fncom.2016.00001. eCollection 2016.


Editorial: General anesthesia: from theory to experiments.

Hutt A, Hudetz AG.

Front Syst Neurosci. 2015 Jul 22;9:105. doi: 10.3389/fnsys.2015.00105. eCollection 2015. No abstract available.


Critical Changes in Cortical Neuronal Interactions in Anesthetized and Awake Rats.

Hudetz AG, Vizuete JA, Pillay S, Ropella KM.

Anesthesiology. 2015 Jul;123(1):171-80. doi: 10.1097/ALN.0000000000000690.


Restoring susceptibility induced MRI signal loss in rat brain at 9.4 T: A step towards whole brain functional connectivity imaging.

Li R, Liu X, Sidabras JW, Paulson ES, Jesmanowicz A, Nencka AS, Hudetz AG, Hyde JS.

PLoS One. 2015 Apr 6;10(4):e0119450. doi: 10.1371/journal.pone.0119450. eCollection 2015.


Spin-glass model predicts metastable brain states that diminish in anesthesia.

Hudetz AG, Humphries CJ, Binder JR.

Front Syst Neurosci. 2014 Dec 11;8:234. doi: 10.3389/fnsys.2014.00234. eCollection 2014.


Enhancement of resting-state fcMRI networks by prior sensory stimulation.

Li C, Li Z, Ward BD, Dwinell MR, Lombard JH, Hudetz AG, Pawela CP.

Brain Connect. 2014 Nov;4(9):760-8. doi: 10.1089/brain.2014.0326.


It is time to combine the two main traditions in the research on the neural correlates of consciousness: C = L × D.

Bachmann T, Hudetz AG.

Front Psychol. 2014 Aug 22;5:940. doi: 10.3389/fpsyg.2014.00940. eCollection 2014.


Brainstem stimulation increases functional connectivity of basal forebrain-paralimbic network in isoflurane-anesthetized rats.

Pillay S, Liu X, Baracskay P, Hudetz AG.

Brain Connect. 2014 Sep;4(7):523-34. doi: 10.1089/brain.2014.0254.


Graded defragmentation of cortical neuronal firing during recovery of consciousness in rats.

Vizuete JA, Pillay S, Ropella KM, Hudetz AG.

Neuroscience. 2014 Sep 5;275:340-51. doi: 10.1016/j.neuroscience.2014.06.018. Epub 2014 Jun 18.


Dynamic repertoire of intrinsic brain states is reduced in propofol-induced unconsciousness.

Hudetz AG, Liu X, Pillay S.

Brain Connect. 2015 Feb;5(1):10-22. doi: 10.1089/brain.2014.0230. Epub 2014 May 21.


Scale-free functional connectivity of the brain is maintained in anesthetized healthy participants but not in patients with unresponsive wakefulness syndrome.

Liu X, Ward BD, Binder JR, Li SJ, Hudetz AG.

PLoS One. 2014 Mar 19;9(3):e92182. doi: 10.1371/journal.pone.0092182. eCollection 2014.


Brainstem stimulation augments information integration in the cerebral cortex of desflurane-anesthetized rats.

Pillay S, Vizuete J, Liu X, Juhasz G, Hudetz AG.

Front Integr Neurosci. 2014 Feb 24;8:8. doi: 10.3389/fnint.2014.00008. eCollection 2014.


Increased precuneus connectivity during propofol sedation.

Liu X, Li SJ, Hudetz AG.

Neurosci Lett. 2014 Feb 21;561:18-23. doi: 10.1016/j.neulet.2013.12.047. Epub 2013 Dec 25.


In reply.

Liu X, Hudetz AG.

Anesthesiology. 2013 Sep;119(3):728-9. doi: 10.1097/ALN.0b013e31829e6d29. No abstract available.


Multiphasic modification of intrinsic functional connectivity of the rat brain during increasing levels of propofol.

Liu X, Pillay S, Li R, Vizuete JA, Pechman KR, Schmainda KM, Hudetz AG.

Neuroimage. 2013 Dec;83:581-92. doi: 10.1016/j.neuroimage.2013.07.003. Epub 2013 Jul 10.


Modeling resting-state functional networks when the cortex falls asleep: local and global changes.

Deco G, Hagmann P, Hudetz AG, Tononi G.

Cereb Cortex. 2014 Dec;24(12):3180-94. doi: 10.1093/cercor/bht176. Epub 2013 Jul 10.


Strain differences in cortical electroencephalogram associated with isoflurane-induced loss of consciousness.

McCallum JB, Pillay S, Vizuete JA, Mouradian G, Hudetz AG, Stekiel TA.

Anesthesiology. 2013 Feb;118(2):350-60. doi: 10.1097/ALN.0b013e31827ddfed.


Differential effects of deep sedation with propofol on the specific and nonspecific thalamocortical systems: a functional magnetic resonance imaging study.

Liu X, Lauer KK, Ward BD, Li SJ, Hudetz AG.

Anesthesiology. 2013 Jan;118(1):59-69. doi: 10.1097/ALN.0b013e318277a801.


General anesthesia and human brain connectivity.

Hudetz AG.

Brain Connect. 2012;2(6):291-302. doi: 10.1089/brain.2012.0107. Review.


Monosynaptic functional connectivity in cerebral cortex during wakefulness and under graded levels of anesthesia.

Vizuete JA, Pillay S, Diba K, Ropella KM, Hudetz AG.

Front Integr Neurosci. 2012 Oct 12;6:90. doi: 10.3389/fnint.2012.00090. eCollection 2012.


Anaesthesia awareness: 3 years of progress.

Hudetz AG, Hemmings HC Jr.

Br J Anaesth. 2012 Feb;108(2):180-2. doi: 10.1093/bja/aer454. No abstract available.


Differential effect of isoflurane, medetomidine, and urethane on BOLD responses to acute levo-tetrahydropalmatine in the rat.

Liu X, Li R, Yang Z, Hudetz AG, Li SJ.

Magn Reson Med. 2012 Aug;68(2):552-9. doi: 10.1002/mrm.23243. Epub 2011 Dec 28.


Propofol disrupts functional interactions between sensory and high-order processing of auditory verbal memory.

Liu X, Lauer KK, Ward BD, Rao SM, Li SJ, Hudetz AG.

Hum Brain Mapp. 2012 Oct;33(10):2487-98. doi: 10.1002/hbm.21385. Epub 2011 Sep 20.


Norepinephrine infusion into nucleus basalis elicits microarousal in desflurane-anesthetized rats.

Pillay S, Vizuete JA, McCallum JB, Hudetz AG.

Anesthesiology. 2011 Oct;115(4):733-42. doi: 10.1097/ALN.0b013e31822c5ee1.


Differential effects of isoflurane on high-frequency and low-frequency γ oscillations in the cerebral cortex and hippocampus in freely moving rats.

Hudetz AG, Vizuete JA, Pillay S.

Anesthesiology. 2011 Mar;114(3):588-95. doi: 10.1097/ALN.0b013e31820ad3f9.


Specific and nonspecific thalamocortical functional connectivity in normal and vegetative states.

Zhou J, Liu X, Song W, Yang Y, Zhao Z, Ling F, Hudetz AG, Li SJ.

Conscious Cogn. 2011 Jun;20(2):257-68. doi: 10.1016/j.concog.2010.08.003. Epub 2010 Nov 13.


Interhemispheric neuroplasticity following limb deafferentation detected by resting-state functional connectivity magnetic resonance imaging (fcMRI) and functional magnetic resonance imaging (fMRI).

Pawela CP, Biswal BB, Hudetz AG, Li R, Jones SR, Cho YR, Matloub HS, Hyde JS.

Neuroimage. 2010 Feb 1;49(3):2467-78. doi: 10.1016/j.neuroimage.2009.09.054. Epub 2009 Sep 28.


The electrocortical effects of enflurane: experiment and theory.

Sleigh JW, Vizuete JA, Voss L, Steyn-Ross A, Steyn-Ross M, Marcuccilli CJ, Hudetz AG.

Anesth Analg. 2009 Oct;109(4):1253-62. doi: 10.1213/ANE.0b013e3181add06b.


Feedback suppression in anesthesia. Is it reversible?

Hudetz AG.

Conscious Cogn. 2009 Dec;18(4):1079-81. doi: 10.1016/j.concog.2009.08.004. Epub 2009 Sep 8.


Desflurane selectively suppresses long-latency cortical neuronal response to flash in the rat.

Hudetz AG, Vizuete JA, Imas OA.

Anesthesiology. 2009 Aug;111(2):231-9. doi: 10.1097/ALN.0b013e3181ab671e.


Ketamine attenuates post-operative cognitive dysfunction after cardiac surgery.

Hudetz JA, Iqbal Z, Gandhi SD, Patterson KM, Byrne AJ, Hudetz AG, Pagel PS, Warltier DC.

Acta Anaesthesiol Scand. 2009 Aug;53(7):864-72. doi: 10.1111/j.1399-6576.2009.01978.x. Epub 2009 Apr 28.


A protocol for use of medetomidine anesthesia in rats for extended studies using task-induced BOLD contrast and resting-state functional connectivity.

Pawela CP, Biswal BB, Hudetz AG, Schulte ML, Li R, Jones SR, Cho YR, Matloub HS, Hyde JS.

Neuroimage. 2009 Jul 15;46(4):1137-47. doi: 10.1016/j.neuroimage.2009.03.004. Epub 2009 Mar 12.

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