- 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...
- Influence of aging on cortical activity associated with a visuo-motor task
Department of Clinical Neurophysiology, R. Salengro Hospital, Lille University Medical Center, EA 2683, Lille Cedex F-59037, France
Neurobiol Aging 25:817-27. 2004
..Subsequently, the changes observed in the post-movement phase might reflect a decrease in (reafferent) sensory inputs and hence impaired their input processing...
- 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
- 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...
- 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
- 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...
- 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...
- 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...
- 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...
- 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...
- 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...
- 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...
- 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...
- 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...
- 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...
- 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
- 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
..SIGNIFICANCE: This study suggests that thalamocortical circuits are involved in attentional modulation of pain because of the proposed role of these circuits in the mechanisms of ERD...
- 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...
- 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...
- 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...
- 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...
- 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...
- 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
- 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...
- 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...
- 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...
- 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...
- What do disturbances in neural synchrony tell us about autism?
Peter J Uhlhaas
Biol Psychiatry 62:190-1. 2007
- 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...
- Effects of cable car ascent to 2700 meters on mean EEG frequency and event-related desynchronization (ERD)
ARGE Alpinmedizin, Graz, Austria
Wien Med Wochenschr 155:143-8. 2005
..0019) with the ascent. The suppressed post-movement beta ERS at an altitude of 2700 m may therefore be interpreted as a result of an increased cortical excitability level when compared with the reference altitude of 990 m above sea level...
- 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...
- The role of neural synchronization in the emergence of cognition across the wake-sleep cycle
Jose L Cantero
Universidad Pablo de Olavide, Seville, Spain
Rev Neurosci 16:69-83. 2005
- 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...
- 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...
- Contextual modulation of synchronization to random dots in the cat visual cortex
, , CP 6128, Succ. Centre-Ville, , , H3C 3J7, Canada
Exp Brain Res 158:223-32. 2004
- 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
- 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...
- 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...
- 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
- 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...
- 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...
- 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...
- Performance of different synchronization measures in real data: a case study on electroencephalographic signals
R Quian Quiroga
John von Neumann Institute for Computing, Forschungszentrum Julich GmbH, D 52425 Julich, Germany
Phys Rev E Stat Nonlin Soft Matter Phys 65:041903. 2002
..Therefore, we claim that the applied measures are valuable for the study of synchronization in real data. Moreover, in the particular case of EEG signals their use as complementary variables could be of clinical relevance...
- Phase-coupling of theta-gamma EEG rhythms during short-term memory processing
Institute of Medical Statistics, Computer Science and Documentation, University of Jena, Jahnstr 3, D 07740, Jena, Germany
Int J Psychophysiol 44:143-63. 2002
..This finding is interpreted as an EEG aspect of the functional linking between the prefrontal areas and the G.cinguli (as part of the limbic system), which are both extremely important for memory functions...
- 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
- Modulation of the synchronization between cells in visual cortex by contextual targets
, , Succursale Centre-Ville, , , Canada H3C 3J7
Eur J Neurosci 14:1539-54. 2001
..Together with our previous results it appears that synchronization is stimulus dependent and its strength increases with larger disparities included in the whole stimulating image...
- Oscillatory synchrony between human extrastriate areas during visual short-term memory maintenance
Institut National de la Santé et de la Recherche Médicale U280, 69003 Lyon, France
J Neurosci 21:RC177. 2001
- Long-range synchrony in the gamma band: role in music perception
Commission for Scientific Visualization Austrian Academy of Sciences, A 1010 Vienna, Austria
J Neurosci 21:6329-37. 2001
- Mechanisms to synchronize neuronal activity
A K Sturm
Department of Applied Mathematics, University of Washington, Seattle 98195, USA
Biol Cybern 84:153-72. 2001
..Finally we relate these theoretical studies to the available experimental data, and suggest future lines of research...
- Stimulus-specific oscillatory responses of the brain: a time/frequency-related coding process
W G Sannita
Center for Neuroactive Drugs, DISMR University, 16132, Genova, Italy
Clin Neurophysiol 111:565-83. 2000
..To review the coherent, rhythmic oscillations above approximately 20 Hz that occur in response to sensory inputs in the firing rate and membrane or local field potentials of distributed neuron aggregates of CNS layered structures...
- Gamma rhythms and beta rhythms have different synchronization properties
Department of Mathematics, Boston University, Boston MA 02215, USA
Proc Natl Acad Sci U S A 97:1867-72. 2000
..The synchronization properties are consistent with data suggesting that gamma rhythms are used for relatively local computations whereas beta rhythms are used for higher level interactions involving more distant structures...
- Synchronization between temporal and parietal cortex during multimodal object processing in man
A von Stein
Institut fur Neurophysiologie, Universitat Wien, Vienna, Austria
Cereb Cortex 9:137-50. 1999
..Coherent activity in this low-frequency range might play a role for binding of multimodal ensembles...
- The functional significance of absolute power with respect to event-related desynchronization
M M Doppelmayr
Department of Physiological Psychology, University of Salzburg, Austria
Brain Topogr 11:133-40. 1998
..In contrast to alpha and theta, ERD in the delta band is not influenced by the magnitude of band power in the reference interval...
- Synchronized activity in prefrontal cortex during anticipation of visuomotor processing
University of Texas at Houston, Houston, TX 77030, USA
Neuroreport 13:2011-5. 2002
..They further imply that stronger top-down control leads to larger and faster sensory responses, and a subsequently faster motor response...
- 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...
- 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...
- 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...
- 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...
- 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)...
- 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...
- 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...
- [Psychophysiologic and clinical aspects of EEG synchronization related to cognitive processes]
Magyar Tudományos Akadémia, Pszichológiai Kutatóintézet, Budapest
Ideggyogy Sz 58:393-401. 2005
..The analysis of linear and nonlinear EEG synchronization associated with cognitive processing is suitable to explore the task-related and region specific features of these events...
- Transient synchrony of distant brain areas and perceptual switching in ambiguous figures
Laboratory for Perceptual Dynamics, RIKEN Brain Science Institute 2 1, Hirosawa, Wako Shi, Saitama, 351 0198, Japan
Biol Cybern 94:445-57. 2006
..The intrinsic variability, as well as the participating areas, points to the role of strategic cognitive processes in perceptual switching...
- 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
- Control of phase synchronization of neuronal activity in the rat hippocampus
Neural Engineering Center, Department of Biomedical Engineering, Case Western Reserve University, Cleveland, OH 44106, USA
J Neural Eng 1:46-54. 2004
..These results show that sub-threshold stimuli are able to phase synchronize or desynchronize two networks and suggest that small signals could play an important role in normal neural activity and epilepsy...
- Disturbed functional connectivity in brain tumour patients: evaluation by graph analysis of synchronization matrices
Department of Clinical Neurophysiology, VU University Medical Center, Amsterdam, The Netherlands
Clin Neurophysiol 117:2039-49. 2006
..The present work aims at evaluating the impact of brain tumours on spatial patterns of functional connectivity of the brain measured at rest by MEG...
- Analysis of synchrony demonstrates 'pain networks' defined by rapidly switching, task-specific, functional connectivity between pain-related cortical structures
Department of Neurosurgery, Johns Hopkins Hospital, Baltimore, MD 21287, USA
Pain 123:244-53. 2006
..These results are the first compelling evidence of pain networks characterized by rapidly switching, task-specific functional connectivity...
- Mu rhythm (de)synchronization and EEG single-trial classification of different motor imagery tasks
Laboratory of Brain Computer Interfaces, Institute for Computer Graphics and Vision, Graz University of Technology, Inffeldgasse 16a, A 8010 Graz, Austria
Neuroimage 31:153-9. 2006
..This implies that such EEG phenomena may be utilized in a multi-class brain-computer interface (BCI) operated simply by motor imagery...
- Distraction affects frontal alpha rhythms related to expectancy of pain: an EEG study
Claudio Del Percio
Dipartimento di Fisiologia Umana e Farmacologia, Universita La Sapienza, Rome, Italy
Neuroimage 31:1268-77. 2006
..e., reduced cortical activation) towards an overt hyper-synchronization (cortical idling)...
- Phase lag index: assessment of functional connectivity from multi channel EEG and MEG with diminished bias from common sources
Cornelis J Stam
Department of Clinical Neurophysiology, VU University Medical Center, Amsterdam, The Netherlands
Hum Brain Mapp 28:1178-93. 2007
- Sleep homeostasis and cortical synchronization: III. A high-density EEG study of sleep slow waves in humans
Brady A Riedner
Department of Psychiatry, University of Wisconsin, Madison, WI 53719, USA
Sleep 30:1643-57. 2007
..Here, we investigated the model's predictions in humans by using all-night high-density (hd)-EEG recordings to explore slow-wave parameters over the entire cortical mantle...
- [Basic steps of EEG topogram analysis development by the Livanov's school]
I N Knipst
Zh Vyssh Nerv Deiat Im I P Pavlova 57:624-32. 2007
..Animal and human experimental data are described which reveal either dominance of one of these types or their complex interaction...
- Dysconnection topography in schizophrenia revealed with state-space analysis of EEG
Ecole Polytechnique Federale de Lausanne, IC School of Computer and Communication Sciences, Laboratory of Nonlinear Systems, Lausanne, Switzerland
PLoS ONE 2:e1059. 2007
..However, due to the limits of currently used bivariate methods, functional correlates of dysconnection are limited to the isolated measurements of synchronization between preselected pairs of EEG signals...
- Time-significant wavelet coherence for the evaluation of schizophrenic brain activity using a graph theory approach
Dept of Electron and Comput Eng, Crete Univ, Heraklion
Conf Proc IEEE Eng Med Biol Soc 1:4265-8. 2006
..e., the "binding" of the neurons). The results are in accordance with the disturbance of connections between the neurons giving additional information related to the localization of most prominent disconnection...
- Corticothalamic projections control synchronization in locally coupled bistable thalamic oscillators
Institute for Theoretical Physics and Astrophysics, University of Kiel, 24098 Kiel, Germany
Phys Rev Lett 99:068102. 2007
- Electroencephalographic intercentral interaction as a reflection of normal and pathological human brain activity
Galina N Boldyreva
Institute of Higher Nervous Activity and Neurophysiology of the Russian Academy of Sciences, Moscow
Span J Psychol 10:167-77. 2007
..Changing activity predominance of certain regulatory structures was considered one of the most important factors determining the dynamic nature of EEG coherence...
- Heritability of EEG coherence in a large sib-pair population
David B Chorlian
Henri Begleiter Neurodynamics Laboratory, Department of Psychiatry, SUNY Downstate Medical Center, 450 Clarkson Avenue, Brooklyn, NY, USA
Biol Psychol 75:260-6. 2007
..Higher heritability values were not associated with higher coherences. The examination of bivariate genetic correlations suggests that there is a difference between theta and alpha bands in genetic control of interhemispheric coherence...
- Typical versus atypical absence seizures: network mechanisms of the spread of paroxysms
Jose L Perez Velazquez
Programme for Neuroscience and Mental Health and Division of Neurology, Hospital for Sick Children, 555 University Avenue, Toronto, Ontario, Canada
Epilepsia 48:1585-93. 2007
- The use of standardized infinity reference in EEG coherency studies
Department of Clinical Sciences and Bioimaging, Gabriele d Annunzio University, Italy
Neuroimage 36:48-63. 2007
- Neural substrates of driving behaviour
Hugo J Spiers
Wellcome Trust Centre for Neuroimaging, Institute of Neurology, University College London, 12 Queen Square, London WC1N 3BG, UK
Neuroimage 36:245-55. 2007
..By systematically characterising the brain dynamics underlying naturalistic driving behaviour in a real city, our findings may have implications for how driving competence is considered in the context of neurological damage...
- Resting state cortical connectivity reflected in EEG coherence in individuals with autism
University of Washington Autism Center, Seattle, Washington 98195, USA
Biol Psychiatry 62:270-3. 2007
..Theoretical conceptions of autism spectrum disorder (ASD) and experimental studies of cerebral blood flow suggest abnormalities in connections among distributed neural systems in ASD...
- Opioid withdrawal results in an increased local and remote functional connectivity at EEG alpha and beta frequency bands
Andrew A Fingelkurts
BM Science Brain and Mind Technologies Research Centre, PO Box 77, FI 02601 Espoo, Finland
Neurosci Res 58:40-9. 2007
..Additionally, statistical relationship between functional connectivity and the severity of opioid withdrawal has been found...
- Out-of-synch and out-of-sorts: dysfunction of motor-sensory communication in schizophrenia
Judith M Ford
Psychiatry Service, Veterans Affairs Connecticut Healthcare System, West Haven, Connecticut, USA
Biol Psychiatry 63:736-43. 2008
..If it reflects the action of the efference copy, it should be related to subsequent sensory suppression. If efference copy/corollary discharge mechanisms are abnormal in schizophrenia, it should be reduced in patients with schizophrenia...
- Cortical control of zona incerta
Institute of Experimental Medicine, Hungarian Academy of Sciences, 1450 Budapest, Hungary
J Neurosci 27:1670-81. 2007
..We propose that the efferent GABAergic signal of ZI neurons patterned by the cortical activity can play a critical role in synchronizing thalamocortical and brainstem rhythms...
- Gamma oscillatory activity in a visual discrimination task
Department of Psychology, University of Salzburg, Austria
Brain Res Bull 71:593-600. 2007
..This effect was strongest in a fronto-medial source. Induced gamma, as also shown in previous studies, reflects the more task-relevant mechanism where object representations become activated...
- Fluctuations in cortical synchronization in pediatric traumatic brain injury
Critical Care Medicine Program, Hospital for Sick Children, 555 University Avenue, Toronto, Ontario, Canada
J Neurotrauma 25:615-27. 2008
..74) better than the worst Glasgow Coma Scale score, length of coma, or extent of injury on CT scan. This represents a novel approach in the evaluation of TBI in children...
- Analysis of state-dependent transitions in frequency and long-distance coordination in a model oscillatory cortical circuit
David J Pinto
Department of Neuroscience, Brown University, Box 1953, Providence, RI 02912, USA
J Comput Neurosci 15:283-98. 2003
..Spike time response curves (STRCs) are used to study the relationship between the transitions in rhythm and the underlying biophysics...
- Asymmetry and symmetry in brain waves from dolphin left and right hemispheres: some observations after anesthesia, during quiescent hanging behavior, and during visual obstruction
S H Ridgway
Marine Mammal Program, San Diego, Calif, USA
Brain Behav Evol 60:265-74. 2002
- Movement-related changes in cortical oscillatory activity in ballistic, sustained and negative movements
Department of Neurology, , Facultad de Medicina, Universidad de Navarra, , 31008 Pamplona (Navarra, Spain
Exp Brain Res 148:17-25. 2003
..Gamma band activity may be just involved in the execution of the movement, related to muscle contraction...
- Steady-state visually evoked potential topography during processing of emotional valence in healthy subjects
A H Kemp
Brain Sciences Institute, Swinburne University of Technology, 400 Burwood Road, Hawthorn VIC 3122, Australia
Neuroimage 17:1684-92. 2002
..These key findings support previous literature in terms of there being substantial overlap in frontal neural circuitry when the brain processes pleasant and unpleasant valence relative to neutral valence...
- Cortical source estimate of combined high resolution EEG and fMRI data related to voluntary movements
Dipartimento di Fisiologia Umana e Farmacologia, Universita di Roma La Sapienza, Roma, Italy
Methods Inf Med 41:443-50. 2002
- Rate and synchrony in feedforward networks of coincidence detectors: analytical solution
Zanvyl Krieger Mind Brain Institute and Department of Neuroscience, Johns Hopkins University, Baltimore, MD 21218, USA
Neural Comput 17:881-902. 2005
- Associations of alexithymia with anterior and posterior activation asymmetries during evoked emotions: EEG evidence of right hemisphere "electrocortical effort"
Psychophysiology Laboratory, State Research Institute of Physiology, Siberian Branch, Russian Academy of Medical Sciences, Novosibirsk, Russia
Int J Neurosci 114:1443-62. 2004
..Such a right-hemispheric "electrocortical effort" in alexithymia could reflect difficulties in symbolization of emotion resulting from impaired right-hemispheric analogical and global nonverbal emotional representation...
- [Some features of spatiotemporal organization of brain biopotentials in persons with different levels of anxiety and other personality traits]
Iu V Ukraintseva
Zh Vyssh Nerv Deiat Im I P Pavlova 54:331-9. 2004
- Synchronous gamma activity: a review and contribution to an integrative neuroscience model of schizophrenia
Cognitive Neuroscience Unit, Department of Psychology, University of Sydney, and The Brain Dynamics Centre, Westmead Hospital, 2145, Sydney, NSW, Australia
Brain Res Brain Res Rev 41:57-78. 2003
..It is concluded that measures of Gamma synchrony offer a valuable window into the core integrative disturbance in schizophrenia cognition...
- Enhancement of GABA-related signalling is associated with increase of functional connectivity in human cortex
Andrew A Fingelkurts
BM-Science Brain and Mind Technologies Research Centre, Espoo, Finland
Hum Brain Mapp 22:27-39. 2004
..These results suggest that inhibition can be an efficient mechanism for synchronization of large neuronal populations...
- Human cortical EEG rhythms during long-term episodic memory task. A high-resolution EEG study of the HERA model
Neuroimage 21:1576-84. 2004
..The strict relation between gamma response and perception suggests that retrieval processes of long-term memory deeply impinged upon sensory representation of the stored material...
- Single-unit analysis of substantia nigra pars reticulata neurons in freely behaving rats with genetic absence epilepsy
Department of Neurology, Neurozentrum, Institute of Biology III, Albert Ludwigs Universitat Freiburg, Freiburg, Germany
Epilepsia 44:1513-20. 2003
..However, only very few neurophysiological recordings from the basal ganglia support neuropharmacologic data. We investigated the electrophysiologic activity of SNpr neurons in rats with genetic absence epilepsy...
- Functional connectivity patterns of human magnetoencephalographic recordings: a 'small-world' network?
C J Stam
Department of Clinical Neurophysiology, VU University Medical Center, P O Box 7057, 1007 MB Amsterdam, The Netherlands
Neurosci Lett 355:25-8. 2004
..This might reflect an optimal organization pattern for information processing, connecting any two brain area by only a small number of intermediate steps...