- Event-related synchronization (ERS) in the alpha band--an electrophysiological correlate of cortical idling: a review
Department of Medical Informatics, Graz University of Technology, Austria
Int J Psychophysiol 24:39-46. 1996
..In both circumstances, the neurons in the hand area are not needed for visual processing or preparation for foot movement. As a result of this, an enhanced hand area mu rhythm can be observed...
- Licking-induced synchrony in the taste-reward circuit improves cue discrimination during learning
Department of Neurobiology, Duke University Medical Center, Durham, North Carolina 27710, USA
J Neurosci 30:287-303. 2010
- What does phase information of oscillatory brain activity tell us about cognitive processes?
Department of Psychology, University of Salzburg, Hellbrunnerstr 34, A 5020 Salzburg, Austria
Neurosci Biobehav Rev 32:1001-13. 2008
- Neural synchrony in brain disorders: relevance for cognitive dysfunctions and pathophysiology
Peter J Uhlhaas
Department of Neurophysiology, Max Planck Institute for Brain Research, Deutschordenstrasse 46, Frankfurt am Main, 60528, Germany
Neuron 52:155-68. 2006
..Thus, focused search for abnormalities in temporal patterning may be of considerable clinical relevance...
- Sleep homeostasis and cortical synchronization: I. Modeling the effects of synaptic strength on sleep slow waves
Steve K Esser
Department of Psychiatry, University of Wisconsin, Madison, WI 53719, USA
Sleep 30:1617-30. 2007
..Based on a recent hypothesis, we sought to determine whether a decrease in cortical synaptic strength can account for changes in sleep SWA...
- Neurophysiological and computational principles of cortical rhythms in cognition
Xiao Jing Wang
Department of Neurobiology and Kavli Institute of Neuroscience, Yale University School of Medicine, New Haven, Connecticut 06520, USA
Physiol Rev 90:1195-268. 2010
..Finally, implications of abnormal neural synchronization are discussed as they relate to mental disorders like schizophrenia and autism...
- Task-related changes in cortical synchronization are spatially coincident with the hemodynamic response
Krish D Singh
The Wellcome Trust Laboratory for MEG Studies, Neurosciences Research Institute, Aston University, Birmingham, United Kingdom
Neuroimage 16:103-14. 2002
..The results show that frequency-specific, task-related changes in cortical synchronization, detected using MEG, match those areas of the brain showing an evoked cortical hemodynamic response with ..
- A short review of slow phase synchronization and memory: evidence for control processes in different memory systems?
Department of Physiological Psychology, University of Salzburg, Austria
Brain Res 1235:31-44. 2008
..The hypothesis, suggested here is that theta and upper alpha reflect these processes which can be best studied when analyzing phase...
- Motor imagery and EEG-based control of spelling devices and neuroprostheses
Institute of Psychology, University of Graz, Universitätsplatz 2 III, A 8010 Graz, Austria
Prog Brain Res 159:393-409. 2006
..The major frequency bands of cortical oscillations considered here are the 8-13 and 15-30 Hz bands. This chapter describes the basic methods used in Graz-BCI research and outlines possible clinical applications...
- Spectra-temporal patterns underlying mental addition: an ERP and ERD/ERS study
Department of Biomedical Engineering, Medical School, Tsinghua University, 1 Qinghuayuan, Haidian District, Beijing 100084, China
Neurosci Lett 472:5-10. 2010
..These results coincide with the theory of simple calculation relying on the visuospatial process and complex calculation depending on the phonological process...
- Phase synchrony among neuronal oscillations in the human cortex
J Matias Palva
Department of Biological and Environmental Sciences, University of Helsinki, FIN 00014 Helsinki, Finland
J Neurosci 25:3962-72. 2005
..The enhancement of cross-frequency phase synchrony among functionally and spatially distinct networks during mental arithmetic tasks posits it as a candidate mechanism for the integration of spectrally distributed processing...
- Changes in the alpha and beta amplitudes of the central EEG during the onset, continuation, and offset of long-duration repetitive hand movements
Hacettepe University, Faculty of Medicine, Department of Biophysics, Ankara, Turkey
Brain Res 1169:44-56. 2007
..Modulation of the beta amplitude, rather than the changes in alpha amplitude, appeared to be more closely correlated with the execution of a continuous movement...
- Event-related beta desynchronization indicates timing of response selection in a delayed-response paradigm in humans
MEG Center, Institute of Medical Psychology and Behavioral Neurobiology, University of Tubingen, Gartenstrasse 29, 72074 Tubingen, Germany
Neurosci Lett 312:149-52. 2001
..This suggests a close relationship between the latency of beta ERD onset and the duration of cognitive processes involved in selecting a motor response...
- Theta synchronization and alpha desynchronization in a memory task
Department of Physiological Psychology, University of Salzburg, Austria
Psychophysiology 34:169-76. 1997
..In contrast to the theta band, remembered and not remembered words revealed a complex pattern of desynchronization in the lower and upper alpha band that was different during encoding and recognition...
- The role of neuronal synchronization in selective attention
FC Donders Centre for Cognitive Neuroimaging, Radboud University Nijmegen, Kapittelweg 29, 6525 EN Nijmegen, The Netherlands
Curr Opin Neurobiol 17:154-60. 2007
..These results point to a general computational role for selective synchronization in dynamically controlling which neurons communicate information about sensory inputs effectively...
- Long-term modifications in motor cortical dynamics induced by intensive practice
Bjørg E Kilavik
Institut de Neurosciences Cognitives de la Méditerranée Centre National de la Recherche Scientifique, Universite Aix Marseille, 13402 Marseille, France
J Neurosci 29:12653-63. 2009
..Performance optimization through practice might therefore be achieved by boosting the computational contribution of spike synchrony, allowing an overall reduction in population activity...
- Decreased neuronal synchronization during experimental seizures
Theoden I Netoff
Krasnow Institute for Advanced Studies, George Mason University, Fairfax, Virginia 22030, USA
J Neurosci 22:7297-307. 2002
- Greater frontal-parietal synchrony at low gamma-band frequencies for inefficient than efficient visual search in human EEG
Neuroscience Research Institute, National Institute of Advanced Industrial Science and Technology, Tsukuba Central 2, 1 1 1 Umezono, Tsukuba, Ibaraki 305 8568 Japan
Int J Psychophysiol 73:350-4. 2009
..The failure to observe a bottom-up effect may be due to stimulus familiarity - monkeys require weeks of training in contrast to the few minutes given to humans...
- A high performance sensorimotor beta rhythm-based brain-computer interface associated with human natural motor behavior
Human Motor Control Section, Medical Neurological Branch, National Institute of Neurological Disorders, National Institutes of Health, Bethesda, MD 20892, USA
J Neural Eng 5:24-35. 2008
..The sensorimotor beta rhythm of EEG associated with human natural motor behavior can be used for a reliable and high performance BCI for both healthy subjects and patients with neurological disorders...
- Nonlinear synchronization in EEG and whole-head MEG recordings of healthy subjects
Cornelis J Stam
Department of Clinical Neurophysiology, VU University Medical Centre, Amsterdam, The Netherlands
Hum Brain Mapp 19:63-78. 2003
..The spatial scale and physical properties of MEG acquisition may increase the sensitivity of the data to underlying nonlinear structure...
- Defective cortical drive to muscle in Parkinson's disease and its improvement with levodopa
Brain Research Unit, Low Temperature Laboratory, Helsinki University of Technology, Espoo, Finland
Brain 125:491-500. 2002
..Abnormalities in this aspect of basal ganglia function may directly contribute to bradykinesia and weakness in Parkinson's disease...
- A role of beta oscillatory synchrony in biasing response competition?
B C M van Wijk
Research Institute MOVE, VU University Amsterdam, Amsterdam, The Netherlands
Cereb Cortex 19:1294-302. 2009
- Early onset of post-movement beta electroencephalogram synchronization in the supplementary motor area during self-paced finger movement in man
Department of Medical Informatics, Institute of Biomedical Engineering, University of Technology Graz, Inffeldgasse 16a, A 8010, Graz, Austria
Neurosci Lett 339:111-4. 2003
..This assumed resetting or inhibitory process within the SMA precedes that of the networks within the primary motor hand area...
- Global and local synchrony of coupled neurons in small-world networks
Faculty of Engineering, Yokohama National University, Yokohama, Japan
Biol Cybern 90:302-9. 2004
..Finally, cooperation of the global connections and the local clustering property, which is prominent in small-world networks, forces synchrony of distant neuronal groups receiving coherent inputs...
- Gamma-range corticomuscular coherence during dynamic force output
Neurological Clinic, Albert Ludwigs University, Breisacher Strasse 64, 79106 Freiburg, Germany
Neuroimage 34:1191-8. 2007
- Postnatal differentiation of basket cells from slow to fast signaling devices
Physiologisches Institut I, Universitat Freiburg, D 79104 Freiburg, Germany
J Neurosci 28:12956-68. 2008
..Thus, late postnatal maturation of BCs enhances coherence in neuronal networks and will thereby contribute to the development of cognitive brain functions...
- Phase synchronization measurements using electroencephalographic recordings: what can we really say about neuronal synchrony?
Abdus Salam ICTP, Strada Costiera 11, 34100, Miaramare, Trieste, Italy
Neuroinformatics 3:301-14. 2005
- Visuomotor integration is associated with zero time-lag synchronization among cortical areas
P R Roelfsema
Max Planck Institute for Brain Research, Frankfurt, Germany
Nature 385:157-61. 1997
..During reward and inter-trial episodes, zero-time-lag synchrony was lost and replaced by interactions exhibiting large and unsystematic time lags...
- Impaired functional connectivity at EEG alpha and theta frequency bands in major depression
Andrew A Fingelkurts
BM Science Brain and Mind Technologies Research Centre, Espoo, Finland
Hum Brain Mapp 28:247-61. 2007
..This finding was interpreted within the semantic framework, where different specialization of left (monosemantic context) and right (polysemantic context) hemispheres is functionally insufficient in patients with depression...
- Cortical abnormalities in epilepsy revealed by local EEG synchrony
C A Schevon
Department of Neurology, Columbia University Medical Center, NY, USA
Neuroimage 35:140-8. 2007
- Small-world networks and functional connectivity in Alzheimer's disease
C J Stam
Department of Clinical Neurophysiology, VU University Medical Center, 1007 MB Amsterdam, The Netherlands
Cereb Cortex 17:92-9. 2007
..Graph theoretical analysis may be a useful approach to study the complexity of patterns of interrelations between EEG channels...
- Auditory steady state response in bipolar disorder: relation to clinical state, cognitive performance, medication status, and substance disorders
Department of Psychological and Brain Sciences, Indiana University, 101 East 10th Street, Bloomington, IN 47405, USA
Bipolar Disord 12:793-803. 2010
..We therefore evaluated the ASSR in bipolar disorder and examined its sensitivity to clinical symptoms, cognitive function, and pharmacological treatment...
- Alpha and beta oscillatory activity during a sequence of two movements
Clinical Neurophysiolgy Section, Department of Neurology, Clinica Universitaria, Facultad de Medicina, Universidad de Navarra, Avda, Pio XII, 36, 31008 Pamplona, Spain
Clin Neurophysiol 115:124-30. 2004
- Synchronized activity between the ventral hippocampus and the medial prefrontal cortex during anxiety
Department of Biological Sciences, Columbia University, New York, NY 10032, USA
Neuron 65:257-69. 2010
..They are consistent with the notion that such synchronization is a general mechanism by which the hippocampus communicates with downstream structures of behavioral relevance...
- Epileptic seizures are preceded by a decrease in synchronization
Department of Epileptology, University of Bonn, Sigmund Freud Strasse 25, 53105 Bonn, Germany
Epilepsy Res 53:173-85. 2003
- Across-trial averaging of event-related EEG responses and beyond
Oxford Centre for Functional Magnetic Resonance Imaging of the Brain, Oxford, United Kingdom
Magn Reson Imaging 26:1041-54. 2008
..In addition, we provide practical guidelines on the implementation of these methods and on the interpretation of the results they produce...
- Exploring intermediate phenotypes with EEG: working memory dysfunction in schizophrenia
Wales Institute of Cognitive Neuroscience, School of Psychology, Adeilad Brigantia, Bangor University, Gwynedd LL57 2AS, UK
Behav Brain Res 216:481-95. 2011
..These links have already resulted in the development of new remediation strategies, which have some translational potential...
- Dangerous phase
Steven J Schiff
Krasnow Institute, George Mason University, Fairfax, VA, USA
Neuroinformatics 3:315-8. 2005
..The good news is that the fix to remove common reference artifacts is simple. The bad news is that the interpretation of reference- free synchronization results from brain signals requires considerable caution...
- Neural synchronization deficits to auditory stimulation in bipolar disorder
BRIAN F O'DONNELL
Department of Psychology, Indiana University, Bloomington, IN 47405, USA
Neuroreport 15:1369-72. 2004
..Abnormal high frequency neural synchronization may contribute to cognitive deficits in bipolar disorder...
- Post-movement beta synchronization in subjects presenting with sensory deafferentation
Department of Functional Neurosurgery, EA 2683, University Hospital, Lille, France
Clin Neurophysiol 119:1335-45. 2008
- Impaired inhibitory control of cortical synchronization in fragile X syndrome
Scott M Paluszkiewicz
Children s National Medical Center, Washington, DC 20010, USA
J Neurophysiol 106:2264-72. 2011
..Together, these findings reveal a functional defect in a single subtype of cortical interneuron in Fmr1 KO mice. This defect is linked to altered activity of the cortical network in line with the FXS phenotype...
- Event-related beta synchronization after wrist, finger and thumb movement
Department of Medical Informatics, Institute for Biomedical Engineering, University of Technology, Graz, Austria
Electroencephalogr Clin Neurophysiol 109:154-60. 1998
..Summarizing, pre-movement desynchronization seems relatively independent of the forthcoming type of movement, whereas the post-movement beta synchronization might depend on the activated muscle mass...
- EEG synchrony during a perceptual-cognitive task: widespread phase synchrony at all frequencies
Department of Physics, University of Auckland, Private Bag 92019, Auckland, New Zealand
Clin Neurophysiol 120:695-708. 2009
..1) To examine the validity of comparing the phase of broad-band signals. (2) To measure phase synchrony over the whole head, at a variety of frequencies...
- When frequencies never synchronize: the golden mean and the resting EEG
Department of Cell Biology, University of Salzburg, Salzburg, Austria
Brain Res 1335:91-102. 2010
..These characteristics have already been discussed to lay the ground for a healthy interplay between various physiological processes (Buchmann, 2002)...
- Reliability, synchrony and noise
G Bard Ermentrout
Department of Mathematics, University of Pittsburgh, Thackery Hall, Pittsburgh, PA 15260, USA
Trends Neurosci 31:428-34. 2008
..These results raise fundamental questions about how noise can influence neural function and computation...
- Impaired extinction of fear and maintained amygdala-hippocampal theta synchrony in a mouse model of temporal lobe epilepsy
Institute for Physiology I, Muenster, Germany
Epilepsia 52:337-46. 2011
..Therefore, this project was set up to characterize the neurophysiologic basis of seizure-related fear and the contribution of the amygdala-hippocampus system...
- Multiple origins of the cortical γ rhythm
Miles A Whittington
Institute of Neuroscience, The Medical School, Newcastle University, Newcastle upon Tyne NE2 4HH, United Kingdom
Dev Neurobiol 71:92-106. 2011
..Finally, we suggest that developmental disruption of the endophenotype for certain subsets of gamma-generating interneuron may underlie cognitive deficit in psychiatric illness...
- Reduction in subthalamic 8-35 Hz oscillatory activity correlates with clinical improvement in Parkinson's disease
Andrea A Kuhn
Sobell Department of Motor Neuroscience and Movement Disorders, Institute of Neurology, Queen Square, London WCIN 3BG, UK
Eur J Neurosci 23:1956-60. 2006
..Our results support a link between levodopa-induced improvements in bradykinesia and rigidity and reductions in population synchrony at frequencies < 35 Hz in the region of the STN in patients with PD...
- GLM-beamformer method demonstrates stationary field, alpha ERD and gamma ERS co-localisation with fMRI BOLD response in visual cortex
Matthew J Brookes
Sir Peter Mansfield Magnetic Resonance Centre, School of Physics and Astronomy, University of Nottingham, University Park, UK
Neuroimage 26:302-8. 2005
- Detecting alpha rhythm phase reset by phase sorting: caveats to consider
Bernstein Center for Computational Neuroscience Berlin, Germany
Neuroimage 47:1-4. 2009
..We will discuss other criteria necessary for further confirmation of the phase reset theory...
- Asymmetric spatiotemporal patterns of event-related desynchronization preceding voluntary sequential finger movements: a high-resolution EEG study
Human Motor Control Section, Medical Neurological Branch, National Institute of Neurological Disorders and Stroke, National Institutes of Health, Bethesda, MD 20892 1428, USA
Clin Neurophysiol 116:1213-21. 2005
..To study spatiotemporal patterns of event-related desynchronization (ERD) preceding voluntary sequential finger movements performed with dominant right hand and nondominant left hand...
- Tuning neocortical pyramidal neurons between integrators and coincidence detectors
Unité de Neuroscience Intégratives et Computationnelles, CNRS, UPR 2191, Bat 32 33, Avenue de la Terrasse, 91198 Gif sur Yvette, France
J Comput Neurosci 14:239-51. 2003
..Thus, background activity not only sharpens cortical responses but it can also be used to tune an entire network between integration and coincidence detection modes...
- Inhibitory postsynaptic potentials carry synchronized frequency information in active cortical networks
Department of Neurobiology, Kavli Institute of Neuroscience, Yale University School of Medicine, New Haven, Connecticut 06510, USA
Neuron 47:423-35. 2005
..Our results support the hypothesis that inhibitory networks are largely responsible for the dissemination of higher-frequency activity in cortex...
- Does post-movement beta synchronization reflect an idling motor cortex?
Departments of Clinical Neurophysiology and 1Neurology, Hopital Salengro, CHU, F 59037 Lille, France
Neuroreport 12:3859-63. 2001
..Post-movement beta synchronization can not solely be explained by an idling motor cortex. It may also, at least in part, reflect a movement-related somatosensory processing...
- Evoked gamma band synchronization and the liability for schizophrenia
L Elliot Hong
Maryland Psychiatric Research Center, Department of Psychiatry, University of Maryland School of Medicine, P O Box 21247, Baltimore, MD 21228, USA
Schizophr Res 70:293-302. 2004
- Dynamic links between theta executive functions and alpha storage buffers in auditory and visual working memory
Rhythm based Brain Computation Unit, RIKEN BSI TOYOTA Collaboration Center, Wako Shi, Saitama, Japan
Eur J Neurosci 31:1683-9. 2010
- Human frontal midline theta and its synchronization to gamma during a verbal delayed match to sample task
Department of Physiological Psychology, University of Salzburg, Austria
Neurobiol Learn Mem 93:208-15. 2010
- Beta electroencephalograph changes during passive movements: sensory afferences contribute to beta event-related desynchronization in humans
Neurophysiology Section, Department of Neurology, Clinica Universitaria de Navarra, Pio XII 36, 31008, Pamplona, Spain
Neurosci Lett 331:29-32. 2002
..These findings suggest that afferent proprioceptive inputs may play a role in the final part of the beta ERD observed during voluntary movements...
- Impaired consciousness during temporal lobe seizures is related to increased long-distance cortical-subcortical synchronization
INSERM, U751, Laboratoire de Neurophysiologie et Neuropsychologie, Marseille, F 13005, France
Brain 132:2091-101. 2009
..We suggest that excessive synchronization overloads the structures involved in consciousness processing, preventing them from treating incoming information, thus resulting in LOC...
- Basic mechanisms of central rhythms reactivity to preparation and execution of a voluntary movement: a stereoelectroencephalographic study
EA HU6, Department of Clinical Neurophysiology, Hopital Salengro, CHRU, 59037, Lille Cedex, France
Clin Neurophysiol 114:107-19. 2003
..To localize the sources of mu, beta and gamma rhythms and to explore the functional significance of their reactivity...
- Cannabinoids reveal importance of spike timing coordination in hippocampal function
Center for Molecular and Behavioral Neuroscience, Rutgers, The State University of New Jersey, Newark, New Jersey 07102, USA
Nat Neurosci 9:1526-33. 2006
..We hypothesize that reduced spike timing coordination and the associated impairment of physiological oscillations are responsible for cannabinoid-induced memory deficits...
- Synchrony-dependent propagation of firing rate in iteratively constructed networks in vitro
Alex D Reyes
Center for Neural Science, New York University, 4 Washington Place, New York, New York 10003, USA
Nat Neurosci 6:593-9. 2003
..The firing rate was represented by a classical rate code in the initial layers, but switched to a synchrony-based code in the deeper layers...
- Attention to a painful cutaneous laser stimulus modulates electrocorticographic event-related desynchronization in humans
Department of Neurosurgery, Johns Hopkins Hospital, Baltimore, MD 21287 7247, USA
Clin Neurophysiol 115:1641-52. 2004
..To test the hypothesis that attention to painful cutaneous laser stimuli enhances event-related desynchronization (ERD) in cortical regions receiving nociceptive input...
- Cross-regional cortical synchronization during affective image viewing
McMaster Integrative Neuroscience Discovery and Study, McMaster University, 1280 Main Street West, Hamilton, ON, Canada L8S 4K1
Brain Res 1362:102-11. 2010
..Our results suggest large-scale synchronization of cortical cells during affective viewing and emphasize the role of beta oscillations in mediating such binding...
- Synchronized oscillations at alpha and theta frequencies in the lateral geniculate nucleus
Stuart W Hughes
School of Biosciences, Cardiff University, Museum Avenue, Cardiff CF10 3US, United Kingdom
Neuron 42:253-68. 2004
..We propose that mGluR1a-induced oscillations are a potential mechanism whereby the thalamus promotes EEG alpha and theta rhythms in the intact brain...
- Comparison of Hilbert transform and wavelet methods for the analysis of neuronal synchrony
M Le Van Quyen
laboratoire de neurosciences cognitives et imagerie cérébrale LENA, Hopital de la Salpetriere, CNRS UPR 640, 47 bd de l Hopital, 75651 Cedex 13, Paris, France
J Neurosci Methods 111:83-98. 2001
..This offers a common language and framework that can be used for future research in the area of synchronization...
- Graph properties of synchronized cortical networks during visual working memory maintenance
Neuroscience Center, University of Helsinki, Finland
Neuroimage 49:3257-68. 2010
..These data further show that synchronized dynamic networks underlying a specific cognitive state can exhibit distinct frequency-dependent network structures that could support distinct functional roles...
- Frequency flows and the time-frequency dynamics of multivariate phase synchronization in brain signals
LENA, MEG EEG Center Pitié Salpêtrière, CNRS UPR 640, Universite Pierre et Marie Curie, 47 bd de l Hopital, 75651 Paris Cedex 13, France
Neuroimage 31:209-27. 2006
- Disturbed post-movement beta synchronization in Wilson's disease with neurological manifestation
Department of Neurology, Semmelweis University, Balassa u 6, 1083 Budapest, Hungary
Neurosci Lett 494:240-4. 2011
..Since decreased power of PMBS was observed in Parkinson's disease and increased latency in essential tremor, the combined change of PMBS can indicate pathology of different neural circuits and may help the diagnosis in challenging cases...
- Beta 2-band synchronization during a visual oddball task
Department of Physiology, Masaryk University, Komenskeho 2, 662 43 Brno, Czech Republic
Physiol Res 58:725-32. 2009
- Synchronization of neuronal responses in primary visual cortex of monkeys viewing natural images
Centro de Neurociencias Integradas and Programa de Fisiología y Biofísica, Facultad de Medicina, Universidad de Chile, Santiago, Chile
J Neurophysiol 100:1523-32. 2008
..The short latency of the stimulation-related synchronization phenomena suggests a fast-acting mechanism for the coordination of spike timing that may contribute to the basic operations of scene segmentation...
- Oscillatory nature of human basal ganglia activity: relationship to the pathophysiology of Parkinson's disease
Sobell Department of Neurophysiology and Movement Disorders, Institute of Neurology, Queen Square, London, United Kingdom
Mov Disord 18:357-63. 2003
..The lower frequency oscillations facilitate slow idling rhythms in the motor areas of the cortex, whereas synchronisation at high frequency restores dynamic task-related cortical ensemble activity in the gamma band...
- Reduced movement-related β desynchronisation in juvenile myoclonic epilepsy: a MEG study of task specific cortical modulation
The Epilepsy Unit, University Hospital of Wales, Cardiff CF14 4XW, UK
Clin Neurophysiol 122:2128-38. 2011
..We investigated differences in task induced responses in occipital and sensorimotor cortex between patients with juvenile myclonic epilepsy (JME) and healthy controls ...
- Synchronization of neural oscillations as a possible mechanism underlying episodic memory: a study of theta rhythm in the hippocampus
Laboratory for Dynamics of Emergent Intelligence, RIKEN Brain Science Institute, Wako Shi, Saitama 351 0198, Japan
J Integr Neurosci 3:143-57. 2004
..Further comparison with electrophysiological data from both rodents and primates suggests a possible role of theta oscillations in memory encoding and online processing of episodic events...
- Electroencephalogram functional connectivity between rat hippocampus and cortex after pilocarpine treatment
Department of Biologia Fonamental i Ciències de la Salut, University of the Balearic Islands, IUNICS, Palma de Mallorca, Spain
Neuroscience 165:621-31. 2010
..In conclusion, the present EEG study could suggest an effect of the muscarinic cholinergic agonist pilocarpine on the hippocampal-cortical functional connectivity...
- Functional neural networks underlying semantic encoding of associative memories
Laboratory of Functional Neuroscience, Network for Biomedical Research on Neurodegenerative Diseases CIBERNED, University Pablo de Olavide, Seville, Spain
Neuroimage 50:1258-70. 2010
- Evaluation of different measures of functional connectivity using a neural mass model
Functional Imaging Laboratory, Wellcome Department of Imaging Neuroscience, London WC1N 3BG, UK
Neuroimage 21:659-73. 2004
..We illustrate this using a single-subject MEG study of binocular rivalry and highlight the greater recovery of statistical dependencies among cortical areas in the beta band when mutual information is used...
- The neuronal basis of attention: rate versus synchronization modulation
Computational Neuroscience, Universitat Pompeu Fabra, 08003 Barcelona, Spain
J Neurosci 28:7679-86. 2008
..However, we show that there is an advantage in the processing of information if rate modulation is accompanied by gamma modulation, namely that reaction times are shorter, implying behavioral relevance for gamma synchronization...
- Oscillations in the basal ganglia under normal conditions and in movement disorders
Yerkes National Primate Center, Emory University, Atlanta, Georgia 30322, USA
Mov Disord 21:1566-77. 2006
..Although less firmly established than the role of oscillations in movement disorders, oscillatory activities at higher frequencies may also be a component of normal basal ganglia physiology...
- Dynamics of spiking neurons connected by both inhibitory and electrical coupling
Timothy J Lewis
Center for Neural Science and Courant Institute for Mathematical Science, New York University, 4 Washington Place, Rm 809, NY 10003, USA
J Comput Neurosci 14:283-309. 2003
..We also show that these results extend to moderate coupling strengths...
- The effects of visual stimulation and selective visual attention on rhythmic neuronal synchronization in macaque area V4
F C Donders Centre for Cognitive Neuroimaging, Radboud University Nijmegen, 6525 EN Nijmegen, The Netherlands
J Neurosci 28:4823-35. 2008
..These results lend further support for a functional role of rhythmic neuronal synchronization in attentional stimulus selection...
- Phase synchronization analysis of EEG during attentional blink
Laboratory for Perceptual Dynamics, RIKEN Brain Science Institute, Wako Shi, Saitama, 351 0198, Japan
J Cogn Neurosci 17:1969-79. 2005
..Enhanced levels of anticipatory synchronization occur in response to the demands of the task in conditions where the system's limited capacity is under strain...
- Synchronized brain activity and neurocognitive function in patients with low-grade glioma: a magnetoencephalography study
Department of Neurology, VU University Medical Center, De Boelelaan 1117, 1081 HV Amsterdam, The Netherlands
Neuro Oncol 10:734-44. 2008
- Inhibitory synchrony as a mechanism for attentional gain modulation
Paul H Tiesinga
Department of Physics and Astronomy, University of North Carolina, Chapel Hill, 27599 3255, USA
J Physiol Paris 98:296-314. 2004
..Thus, the observed changes in firing rate and coherence of neurons in the visual cortex could be controlled by top-down inputs that regulated the coherence in the activity of a local inhibitory network discharging at gamma frequencies...
- Induced theta oscillations mediate large-scale synchrony with mediotemporal areas during recollection in humans
Department of Neurology II, Otto von Guericke University, Magdeburg, Germany
Hippocampus 15:901-12. 2005
..These findings are compatible with the notion that theta oscillations are related to the binding of distributed cortical representations during recollection...
- Sleep homeostasis and cortical synchronization: II. A local field potential study of sleep slow waves in the rat
Vladyslav V Vyazovskiy
Department of Psychiatry, University of Wisconsin, Madison, WI 53719, USA
Sleep 30:1631-42. 2007
..Here we tested the model predictions by obtaining LFP recordings from the rat cerebral cortex and comparing conditions of high homeostatic sleep pressure (early sleep) and low homeostatic sleep pressure (late sleep)...
- Does spatiotemporal synchronization of EEG change prior to absence seizures?
GRAMFC, EFSN Péd, CHU Nord, Place V Pauchet, Amiens, France
Brain Res 1188:207-21. 2008
..This study supports the hypothesis of having a focal susceptibility of the cerebral cortex prior to absence seizures and further underlines that this susceptibility is reproducible and patient-specific...
- Intermittent dynamics underlying the intrinsic fluctuations of the collective synchronization patterns in electrocortical activity
Laboratory for Perceptual Dynamics, Brain Science Institute, RIKEN, Wako Shi, Saitama, 351 0198, Japan
Phys Rev E Stat Nonlin Soft Matter Phys 76:011904. 2007
..We present a model study illustrating that the scaling property and the collective intermittent dynamics are emergent features of globally coupled phase oscillators near the critical point of entering global frequency locking...
- What do disturbances in neural synchrony tell us about autism?
Peter J Uhlhaas
Biol Psychiatry 62:190-1. 2007
- Human cortical circuits for central executive function emerge by theta phase synchronization
Graduate School of Natural Science and Technology, Okayama University, 3 1 1, Tsusima naka, Okayama Shi, Okayama 700 8530, Japan
Neuroimage 36:232-44. 2007
..Here we report the first evidence that theta phase synchronization dynamically coordinates the central executive circuits, including the medial prefrontal cortex and relevant cortical regions...
- Neuronal coherence during selective attentional processing and sensory-motor integration
F C Donders Centre for Cognitive Neuroimaging, Radboud University Nijmegen, Kapittelweg 29, 6525 EN Nijmegen, The Netherlands
J Physiol Paris 100:182-93. 2006
- Attentional modulation of firing rate and synchrony in a model cortical network
Computational Neurophysics Laboratory, Department of Physics and Astronomy, University of North Carolina at Chapel Hill, Campus Box 3255, Chapel Hill, North Carolina 27599, USA
J Comput Neurosci 20:247-64. 2006
..In addition, it predicts that attention increases the delay between the inhibitory and excitatory synchronous volleys produced by the network, allowing the stimulus to recruit more downstream neurons...
- Synchronization of neural activity across cortical areas correlates with conscious perception
Laboratorio de Neurociencias, Escuela de Psicologia, Pontificia Universidad Catolica de Chile, Vicuña Mackenna 4860, San Joaquin, 8940000 Santiago, Chile
J Neurosci 27:2858-65. 2007
..We propose that the critical process mediating the access to conscious perception is the early transient global increase of phase synchrony of oscillatory activity in the gamma frequency range...
- Investigating the human mirror neuron system by means of cortical synchronization during the imitation of biological movements
Department of Psychology, Centre for Cognitive Neuroimaging, CCNi, University of Glasgow, UK
Neuroimage 33:227-38. 2006
..Finally, we also found the basal ganglia to participate at an early stage in the processing of biological movement, possibly by selecting suitable motor programs that match the stimulus...
- Memory formation by neuronal synchronization
Department of Epileptology, University of Bonn, Sigmund Freud Str 25, 53105 Bonn, Germany
Brain Res Rev 52:170-82. 2006
..In summary, synchronization of neural assemblies in different frequency ranges induces specific forms of cellular plasticity during subsequent stages of memory formation...
- Contextual modulation of synchronization to random dots in the cat visual cortex
Departement de sciences biologiques, Universite de Montreal, CP 6128, Succ Centre Ville, Montreal, Quebec, H3C 3J7, Canada
Exp Brain Res 158:223-32. 2004
- Aperiodic phase re-setting in scalp EEG of beta-gamma oscillations by state transitions at alpha-theta rates
Walter J Freeman
Department of Molecular and Cell Biology, University of California, Berkeley, California 94720 3200, USA
Hum Brain Mapp 19:248-72. 2003
..Cortex functions by serial changes in state. The Hilbert transform of EEG from high-density arrays can visualize these state transitions with high temporal and spatial resolution and should be useful in relating EEG to cognition...
- Local field potential oscillations in primate cerebellar cortex: synchronization with cerebral cortex during active and passive expectancy
Department of Exercise Science amd Center for Studies in Behavioral Neurobiology, Concordia University, 7141, Sherbrooke Street West, Montreal Qc H4B 1R6, Canada
J Neurophysiol 93:2039-52. 2005
- Synchronization in monkey motor cortex during a precision grip task. II. effect of oscillatory activity on corticospinal output
Stuart N Baker
Sobell Department of Neurophysiology, Institute of Neurology, Queen Square, London WC1N 3BG, United Kingdom
J Neurophysiol 89:1941-53. 2003
..The oscillations will therefore be effectively transmitted to spinal motoneurons, and this has important consequences for the possible role of oscillations in motor control of the hand...
- Spatial and temporal structure of phase synchronization of spontaneous alpha EEG activity
Laboratory for Perceptual Dynamics, Brain Science Institute, RIKEN, 2 1 Hirosawa, Wako Shi, Saitama, 351 0198, Japan
Biol Cybern 92:54-60. 2005
..The duration distributions of these patterns have similar forms within a subject, which suggests that they share the same mechanism for their generation...
- Disturbed fluctuations of resting state EEG synchronization in Alzheimer's disease
C J Stam
Alzheimer Centre, Department of Clinical Neurophysiology, VU University Medical Centre, P O Box 7057, 1007 MB Amsterdam, The Netherlands
Clin Neurophysiol 116:708-15. 2005
..We examined the hypothesis that cognitive dysfunction in Alzheimer's disease is associated with abnormal spontaneous fluctuations of EEG synchronization levels during an eyes-closed resting state...