Gamma oscillations in schizophrenia: Mechanisms and clinical significance
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P. Fitzgerald | Z. Daskalakis | F. Farzan | M. Barr | G. Light | Yinming Sun | K. Kirihara
[1] P. Fitzgerald,et al. The Effect of Repetitive Transcranial Magnetic Stimulation on Gamma Oscillatory Activity in Schizophrenia , 2011, PloS one.
[2] E. Bramon,et al. The early auditory gamma-band response is heritable and a putative endophenotype of schizophrenia. , 2011, Schizophrenia bulletin.
[3] Klaus Funke,et al. Theta-Burst Transcranial Magnetic Stimulation Alters Cortical Inhibition , 2011, The Journal of Neuroscience.
[4] Robert Chen,et al. Reliability of long-interval cortical inhibition in healthy human subjects: a TMS-EEG study. , 2010, Journal of neurophysiology.
[5] P. Fitzgerald,et al. Evidence for excessive frontal evoked gamma oscillatory activity in schizophrenia during working memory , 2010, Schizophrenia Research.
[6] Robert Chen,et al. Evidence for gamma inhibition deficits in the dorsolateral prefrontal cortex of patients with schizophrenia. , 2010, Brain : a journal of neurology.
[7] G. Kirov,et al. Rare copy number variants: a point of rarity in genetic risk for bipolar disorder and schizophrenia. , 2010, Archives of general psychiatry.
[8] Derek K. Jones,et al. Visual gamma oscillations and evoked responses: Variability, repeatability and structural MRI correlates , 2010, NeuroImage.
[9] J. Fell,et al. Cross-frequency coupling supports multi-item working memory in the human hippocampus , 2010, Proceedings of the National Academy of Sciences.
[10] Richard Coppola,et al. Magnetoencephalographic gamma power reduction in patients with schizophrenia during resting condition , 2009, Human brain mapping.
[11] W. Singer,et al. Cortical Oscillatory Activity Is Critical for Working Memory as Revealed by Deficits in Early-Onset Schizophrenia , 2009, The Journal of Neuroscience.
[12] P. Fitzgerald,et al. Potentiation of Gamma Oscillatory Activity through Repetitive Transcranial Magnetic Stimulation of the Dorsolateral Prefrontal Cortex , 2009, Neuropsychopharmacology.
[13] K. Spencer. The Functional Consequences of Cortical Circuit Abnormalities on Gamma Oscillations in Schizophrenia: Insights from Computational Modeling , 2009, Front. Hum. Neurosci..
[14] S. Sponheim,et al. Genetic and disorder-specific aspects of resting state EEG abnormalities in schizophrenia. , 2009, Schizophrenia bulletin.
[15] K. Deisseroth,et al. Parvalbumin neurons and gamma rhythms enhance cortical circuit performance , 2009, Nature.
[16] P. Fitzgerald,et al. Suppression of γ-Oscillations in the Dorsolateral Prefrontal Cortex following Long Interval Cortical Inhibition: A TMS–EEG Study , 2009, Neuropsychopharmacology.
[17] W. Singer,et al. Frontiers in Integrative Neuroscience Integrative Neuroscience Neural Synchrony in Cortical Networks: History, Concept and Current Status , 2022 .
[18] Sean M Montgomery,et al. Entrainment of Neocortical Neurons and Gamma Oscillations by the Hippocampal Theta Rhythm , 2008, Neuron.
[19] P. Fitzgerald,et al. Long-Interval Cortical Inhibition from the Dorsolateral Prefrontal Cortex: a TMS–EEG Study , 2008, Neuropsychopharmacology.
[20] W. Singer,et al. The role of oscillations and synchrony in cortical networks and their putative relevance for the pathophysiology of schizophrenia. , 2008, Schizophrenia bulletin.
[21] D. Mathalon,et al. Event-related EEG time-frequency analysis: an overview of measures and an analysis of early gamma band phase locking in schizophrenia. , 2008, Schizophrenia bulletin.
[22] T. Woo,et al. Disease-specific alterations in glutamatergic neurotransmission on inhibitory interneurons in the prefrontal cortex in schizophrenia , 2008, Brain Research.
[23] I. Nelken,et al. Transient Induced Gamma-Band Response in EEG as a Manifestation of Miniature Saccades , 2008, Neuron.
[24] J. Ford,et al. Out-of-Synch and Out-of-Sorts: Dysfunction of Motor-Sensory Communication in Schizophrenia , 2008, Biological Psychiatry.
[25] D. Pinault,et al. N-Methyl d-Aspartate Receptor Antagonists Ketamine and MK-801 Induce Wake-Related Aberrant γ Oscillations in the Rat Neocortex , 2008, Biological Psychiatry.
[26] Robert W. McCarley,et al. Sensory-Evoked Gamma Oscillations in Chronic Schizophrenia , 2008, Biological Psychiatry.
[27] W. Iacono,et al. The status of spectral EEG abnormality as a diagnostic test for schizophrenia , 2008, Schizophrenia Research.
[28] B. Christensen,et al. The role of cortical inhibition in the pathophysiology and treatment of schizophrenia , 2007, Brain Research Reviews.
[29] B. Moghaddam,et al. NMDA Receptor Hypofunction Produces Opposite Effects on Prefrontal Cortex Interneurons and Pyramidal Neurons , 2007, The Journal of Neuroscience.
[30] C. Davies,et al. Synaptic activation of GABAB receptors regulates neuronal network activity and entrainment , 2007, The European journal of neuroscience.
[31] C. Basar-Eroglu,et al. Working memory related gamma oscillations in schizophrenia patients. , 2007, International journal of psychophysiology : official journal of the International Organization of Psychophysiology.
[32] B. Shen,et al. GABAB receptor blockade enhances theta and gamma rhythms in the hippocampus of behaving rats , 2007, Hippocampus.
[33] N. Busch,et al. Gamma amplitudes are coupled to theta phase in human EEG during visual perception. , 2007, International journal of psychophysiology : official journal of the International Organization of Psychophysiology.
[34] Christoph S. Herrmann,et al. Evoked γ oscillations in human scalp EEG are test–retest reliable , 2007, Clinical Neurophysiology.
[35] R. Roth,et al. Repeated phencyclidine in monkeys results in loss of parvalbumin-containing axo-axonic projections in the prefrontal cortex , 2007, Psychopharmacology.
[36] C. Carter,et al. Impairments in frontal cortical γ synchrony and cognitive control in schizophrenia , 2006, Proceedings of the National Academy of Sciences.
[37] N. Swerdlow,et al. Gamma Band Oscillations Reveal Neural Network Cortical Coherence Dysfunction in Schizophrenia Patients , 2006, Biological Psychiatry.
[38] W. Singer,et al. Neural Synchrony in Brain Disorders: Relevance for Cognitive Dysfunctions and Pathophysiology , 2006, Neuron.
[39] David A Lewis,et al. Cognitive dysfunction in schizophrenia: convergence of gamma-aminobutyric acid and glutamate alterations. , 2006, Archives of neurology.
[40] M. Berger,et al. High Gamma Power Is Phase-Locked to Theta Oscillations in Human Neocortex , 2006, Science.
[41] Fiona E. N. LeBeau,et al. Region-Specific Reduction in Entorhinal Gamma Oscillations and Parvalbumin-Immunoreactive Neurons in Animal Models of Psychiatric Illness , 2006, The Journal of Neuroscience.
[42] B. Christensen,et al. The effects of repetitive transcranial magnetic stimulation on cortical inhibition in healthy human subjects , 2006, Experimental Brain Research.
[43] A. Zaitsev,et al. Properties of excitatory synaptic responses in fast-spiking interneurons and pyramidal cells from monkey and rat prefrontal cortex. , 2006, Cerebral cortex.
[44] E. Harth,et al. Electric Fields of the Brain: The Neurophysics of Eeg , 2005 .
[45] Brian F. O'Donnell,et al. Contributions of subtype and spectral frequency analyses to the study of P50 ERP amplitude and suppression in schizophrenia , 2005, Schizophrenia Research.
[46] J. Kleinman,et al. Reductions in neurotrophin receptor mRNAs in the prefrontal cortex of patients with schizophrenia , 2005, Molecular Psychiatry.
[47] Sean L. Hill,et al. Modeling the effects of transcranial magnetic stimulation on cortical circuits. , 2005, Journal of neurophysiology.
[48] D. Lewis,et al. Cortical inhibitory neurons and schizophrenia , 2005, Nature Reviews Neuroscience.
[49] A. Sampson,et al. Relationship of Brain-Derived Neurotrophic Factor and Its Receptor TrkB to Altered Inhibitory Prefrontal Circuitry in Schizophrenia , 2005, The Journal of Neuroscience.
[50] J. Gold. Cognitive deficits as treatment targets in schizophrenia , 2004, Schizophrenia Research.
[51] R. McCarley,et al. Neural synchrony indexes disordered perception and cognition in schizophrenia. , 2004, Proceedings of the National Academy of Sciences of the United States of America.
[52] B. Ermentrout,et al. Chemical and electrical synapses perform complementary roles in the synchronization of interneuronal networks. , 2004, Proceedings of the National Academy of Sciences of the United States of America.
[53] L. Elliot Hong,et al. Evoked gamma band synchronization and the liability for schizophrenia , 2004, Schizophrenia Research.
[54] D. Senkowski,et al. Reduced oscillatory gamma-band responses in unmedicated schizophrenic patients indicate impaired frontal network processing , 2004, Clinical Neurophysiology.
[55] Bita Moghaddam,et al. NMDA receptor hypofunction produces concomitant firing rate potentiation and burst activity reduction in the prefrontal cortex. , 2004, Proceedings of the National Academy of Sciences of the United States of America.
[56] Hannah Monyer,et al. A role for fast rhythmic bursting neurons in cortical gamma oscillations in vitro. , 2004, Proceedings of the National Academy of Sciences of the United States of America.
[57] J. Rothwell,et al. Preconditioning of Low-Frequency Repetitive Transcranial Magnetic Stimulation with Transcranial Direct Current Stimulation: Evidence for Homeostatic Plasticity in the Human Motor Cortex , 2004, The Journal of Neuroscience.
[58] M. Bennett,et al. Electrical Coupling and Neuronal Synchronization in the Mammalian Brain , 2004, Neuron.
[59] Olaf Sporns,et al. EEG synchronization to modulated auditory tones in schizophrenia, schizoaffective disorder, and schizotypal personality disorder. , 2003, The American journal of psychiatry.
[60] Rainer Goebel,et al. Cortical capacity constraints for visual working memory: dissociation of fMRI load effects in a fronto-parietal network , 2003, NeuroImage.
[61] R. McCarley,et al. Abnormal Neural Synchrony in Schizophrenia , 2003, The Journal of Neuroscience.
[62] A. Sampson,et al. Gene Expression Deficits in a Subclass of GABA Neurons in the Prefrontal Cortex of Subjects with Schizophrenia , 2003, The Journal of Neuroscience.
[63] G. Buzsáki,et al. Natural logarithmic relationship between brain oscillators , 2003 .
[64] I. Gottesman,et al. The endophenotype concept in psychiatry: etymology and strategic intentions. , 2003, The American journal of psychiatry.
[65] Stephan Heckers,et al. Molecular aspects of glutamate dysregulation: implications for schizophrenia and its treatment. , 2003, Pharmacology & therapeutics.
[66] B. Morris,et al. Induction of Metabolic Hypofunction and Neurochemical Deficits after Chronic Intermittent Exposure to Phencyclidine: Differential Modulation by Antipsychotic Drugs , 2003, Neuropsychopharmacology.
[67] Charles R. Yang,et al. Glycine tranporter-1 blockade potentiates NMDA-mediated responses in rat prefrontal cortical neurons in vitro and in vivo. , 2003, Journal of neurophysiology.
[68] Leanne M Williams,et al. "Gamma (40 Hz) phase synchronicity" and symptom dimensions in schizophrenia , 2003, Cognitive neuropsychiatry.
[69] Peter McGuffin,et al. Psychiatric Genetics and Genomics , 2002 .
[70] E. Jodo,et al. Acute administration of phencyclidine induces tonic activation of medial prefrontal cortex neurons in freely moving rats , 2002, Neuroscience.
[71] M. Frotscher,et al. Fast synaptic inhibition promotes synchronized gamma oscillations in hippocampal interneuron networks , 2002, Proceedings of the National Academy of Sciences of the United States of America.
[72] M. Yamada,et al. Brain-Derived Neurotrophic Factor Promotes the Maturation of GABAergic Mechanisms in Cultured Hippocampal Neurons , 2002, The Journal of Neuroscience.
[73] R. V. Van Heertum,et al. Prefrontal Dopamine D1 Receptors and Working Memory in Schizophrenia , 2002, The Journal of Neuroscience.
[74] O. Jensen,et al. Frontal theta activity in humans increases with memory load in a working memory task , 2002, The European journal of neuroscience.
[75] S. Kapur,et al. Evidence for impaired cortical inhibition in schizophrenia using transcranial magnetic stimulation. , 2002, Archives of general psychiatry.
[76] N Kopell,et al. Gap Junctions between Interneuron Dendrites Can Enhance Synchrony of Gamma Oscillations in Distributed Networks , 2001, The Journal of Neuroscience.
[77] E. G. Jones,et al. The thalamic matrix and thalamocortical synchrony , 2001, Trends in Neurosciences.
[78] Brett A. Clementz,et al. Multichannel electroencephalographic assessment of auditory evoked response suppression in schizophrenia , 2001, Experimental Brain Research.
[79] F. Benes,et al. GABAergic Interneurons: Implications for Understanding Schizophrenia and Bipolar Disorder , 2001, Neuropsychopharmacology.
[80] A. Sampson,et al. GABA transporter-1 mRNA in the prefrontal cortex in schizophrenia: decreased expression in a subset of neurons. , 2001, The American journal of psychiatry.
[81] A. Oliviero,et al. Dopamine Dependency of Oscillations between Subthalamic Nucleus and Pallidum in Parkinson's Disease , 2001, The Journal of Neuroscience.
[82] Robert Chen,et al. Interactions between two different inhibitory systems in the human motor cortex , 2001, The Journal of physiology.
[83] R. Traub,et al. Inhibition-based rhythms: experimental and mathematical observations on network dynamics. , 2000, International journal of psychophysiology : official journal of the International Organization of Psychophysiology.
[84] Matthias M. Müller,et al. MEG gamma band activity in schizophrenia patients and healthy subjects in a mental arithmetic task and at rest , 2000, Clinical Neurophysiology.
[85] Fiona E. N. LeBeau,et al. A model of gamma‐frequency network oscillations induced in the rat CA3 region by carbachol in vitro , 2000, The European journal of neuroscience.
[86] P. Somogyi,et al. Proximally targeted GABAergic synapses and gap junctions synchronize cortical interneurons , 2000, Nature Neuroscience.
[87] A. Sampson,et al. Decreased glutamic acid decarboxylase67 messenger RNA expression in a subset of prefrontal cortical gamma-aminobutyric acid neurons in subjects with schizophrenia. , 2000, Archives of general psychiatry.
[88] R. Traub,et al. Anaesthetic/amnesic agents disrupt beta frequency oscillations associated with potentiation of excitatory synaptic potentials in the rat hippocampal slice , 1999, British journal of pharmacology.
[89] S. Hestrin,et al. A network of fast-spiking cells in the neocortex connected by electrical synapses , 1999, Nature.
[90] M. Hasselmo,et al. Gamma frequency-range abnormalities to auditory stimulation in schizophrenia. , 1999, Archives of general psychiatry.
[91] Wolf Singer,et al. Neuronal Synchrony: A Versatile Code for the Definition of Relations? , 1999, Neuron.
[92] W. Klimesch. EEG alpha and theta oscillations reflect cognitive and memory performance: a review and analysis , 1999, Brain Research Reviews.
[93] O. Bertrand,et al. Oscillatory gamma activity in humans and its role in object representation , 1999, Trends in Cognitive Sciences.
[94] S. Heinemann,et al. Activation of NMDA receptors reverses desensitization of mGluR5 in native and recombinant systems , 1999, Nature Neuroscience.
[95] F. Varela,et al. Perception's shadow: long-distance synchronization of human brain activity , 1999, Nature.
[96] P. Goldman-Rakic,et al. The reduced neuropil hypothesis: a circuit based model of schizophrenia , 1999, Biological Psychiatry.
[97] E Başar,et al. Early gamma response is sensory in origin: a conclusion based on cross-comparison of results from multiple experimental paradigms. , 1998, International journal of psychophysiology : official journal of the International Organization of Psychophysiology.
[98] R. Hanajima,et al. Impaired motor cortex inhibition in patients with ALS , 1998, Neurology.
[99] R. Llinás,et al. The neuronal basis for consciousness. , 1998, Philosophical transactions of the Royal Society of London. Series B, Biological sciences.
[100] O. Paulsen,et al. Cholinergic induction of network oscillations at 40 Hz in the hippocampus in vitro , 1998, Nature.
[101] R. Traub,et al. Morphine disrupts long-range synchrony of gamma oscillations in hippocampal slices. , 1998, Proceedings of the National Academy of Sciences of the United States of America.
[102] B. Clementz,et al. The gamma band response may account for poor P50 suppression in schizophrenia , 1997, Neuroreport.
[103] Rex Y. Wang,et al. NMDA-induced response in pyramidal neurons of the rat medial prefrontal cortex slices consists of NMDA and non-NMDA components , 1997, Brain Research.
[104] M. Steriade. Synchronized activities of coupled oscillators in the cerebral cortex and thalamus at different levels of vigilance. , 1997, Cerebral cortex.
[105] Y. Kubota,et al. GABAergic cell subtypes and their synaptic connections in rat frontal cortex. , 1997, Cerebral cortex.
[106] R. Traub,et al. Spatiotemporal patterns of γ frequency oscillations tetanically induced in the rat hippocampal slice , 1997 .
[107] G. Plourde,et al. Ketamine increases the amplitude of the 40-Hz auditory steady-state response in humans. , 1997, British journal of anaesthesia.
[108] R Freedman,et al. Inhibitory gating of an evoked response to repeated auditory stimuli in schizophrenic and normal subjects. Human recordings, computer simulation, and an animal model. , 1996, Archives of general psychiatry.
[109] R. Traub,et al. A mechanism for generation of long-range synchronous fast oscillations in the cortex , 1996, Nature.
[110] G. Buzsáki,et al. Gamma Oscillation by Synaptic Inhibition in a Hippocampal Interneuronal Network Model , 1996, The Journal of Neuroscience.
[111] C. Gray,et al. Chattering Cells: Superficial Pyramidal Neurons Contributing to the Generation of Synchronous Oscillations in the Visual Cortex , 1996, Science.
[112] G. Buzsáki,et al. Analysis of gamma rhythms in the rat hippocampus in vitro and in vivo. , 1996, The Journal of physiology.
[113] P. Goldman-Rakic,et al. Localization of dopamine D4 receptors in GABAergic neurons of the primate brain , 1996, Nature.
[114] Michael F. Green,et al. What are the functional consequences of neurocognitive deficits in schizophrenia? , 1996, The American journal of psychiatry.
[115] W. Byerley,et al. Sensory gating deficits in parents of schizophrenics. , 1995, American journal of medical genetics.
[116] J. Olney,et al. Glutamate receptor dysfunction and schizophrenia. , 1995, Archives of general psychiatry.
[117] R. Freedman,et al. Effects of sound intensity on a midlatency evoked response to repeated auditory stimuli in schizophrenic and normal subjects. , 1995, Psychophysiology.
[118] P. Goldman-Rakic,et al. Modulation of memory fields by dopamine Dl receptors in prefrontal cortex , 1995, Nature.
[119] Carol A. Tamminga,et al. Subanesthetic Doses of Ketamine Stimulate Psychosis in Schizophrenia , 1995, Neuropsychopharmacology.
[120] Y. Kawaguchi. Physiological subgroups of nonpyramidal cells with specific morphological characteristics in layer II/III of rat frontal cortex , 1995, The Journal of neuroscience : the official journal of the Society for Neuroscience.
[121] E. G. Jones,et al. Gene expression for glutamic acid decarboxylase is reduced without loss of neurons in prefrontal cortex of schizophrenics. , 1995, Archives of general psychiatry.
[122] R. Traub,et al. Synchronized oscillations in interneuron networks driven by metabotropic glutamate receptor activation , 1995, Nature.
[123] J. Krystal,et al. Subanesthetic effects of the noncompetitive NMDA antagonist, ketamine, in humans. Psychotomimetic, perceptual, cognitive, and neuroendocrine responses. , 1994, Archives of general psychiatry.
[124] Françoise Condé,et al. Local circuit neurons immunoreactive for calretinin, calbindin D‐28k or parvalbumin in monkey prefronatal cortex: Distribution and morphology , 1994, The Journal of comparative neurology.
[125] D. Contreras,et al. Electrophysiological properties of intralaminar thalamocortical cells discharging rhythmic (≈40 HZ) spike-bursts at ≈1000 HZ during waking and rapid eye movement sleep , 1993, Neuroscience.
[126] R. Llinás,et al. Of dreaming and wakefulness , 1991, Neuroscience.
[127] K. Davis,et al. Dopamine in schizophrenia: a review and reconceptualization. , 1991, The American journal of psychiatry.
[128] S Makeig,et al. Human auditory evoked gamma-band magnetic fields. , 1991, Proceedings of the National Academy of Sciences of the United States of America.
[129] T. Sejnowski,et al. Simulations of cortical pyramidal neurons synchronized by inhibitory interneurons. , 1991, Journal of neurophysiology.
[130] William Bialek,et al. Reading a Neural Code , 1991, NIPS.
[131] R. Llinás,et al. In vitro neurons in mammalian cortical layer 4 exhibit intrinsic oscillatory activity in the 10-to 50-Hz frequency range , 1991, Proceedings of the National Academy of Sciences of the United States of America.
[132] A. Barker. An Introduction to the Basic Principles of Magnetic Nerve Stimulation , 1991, Journal of clinical neurophysiology : official publication of the American Electroencephalographic Society.
[133] D. McCormick,et al. GABA as an inhibitory neurotransmitter in human cerebral cortex. , 1989, Journal of neurophysiology.
[134] R Freedman,et al. Neurophysiological evidence for a defect in neuronal mechanisms involved in sensory gating in schizophrenia. , 1982, Biological psychiatry.
[135] S. Makeig,et al. A 40-Hz auditory potential recorded from the human scalp. , 1981, Proceedings of the National Academy of Sciences of the United States of America.
[136] T. Sejnowski. Statistical constraints on synaptic plasticity. , 1977, Journal of theoretical biology.
[137] P. Somogyi. A specific ‘axo-axonal’ interneuron in the visual cortex of the rat , 1977, Brain Research.
[138] P. Seeman,et al. Antipsychotic drug doses and neuroleptic/dopamine receptors , 1976, Nature.
[139] S H Snyder,et al. Dopamine receptor binding predicts clinical and pharmacological potencies of antischizophrenic drugs , 1976, Science.
[140] D. Hubel,et al. Receptive fields of single neurones in the cat's striate cortex , 1959, The Journal of physiology.
[141] E. Adrian,et al. The impulses produced by sensory nerve‐endings , 1926 .
[142] E. Adrian,et al. The impulses produced by sensory nerve endings , 1926, The Journal of physiology.
[143] José Luis Pérez Velazquez,et al. Phase synchronization measurements using electroencephalographic recordings , 2007, Neuroinformatics.
[144] P. Jonas,et al. Synaptic mechanisms of synchronized gamma oscillations in inhibitory interneuron networks , 2007, Nature Reviews Neuroscience.
[145] P. Somogyi,et al. Defined types of cortical interneurone structure space and spike timing in the hippocampus , 2005, The Journal of physiology.
[146] J. Lieberman,et al. Provocative tests with psychostimulant drugs in schizophrenia , 2004, Psychopharmacology.
[147] R. Benecke,et al. On the origin of the postexcitatory inhibition seen after transcranial magnetic brain stimulation in awake human subjects , 2004, Experimental Brain Research.
[148] J. Kleinman,et al. Reduced brain-derived neurotrophic factor in prefrontal cortex of patients with schizophrenia , 2003, Molecular Psychiatry.
[149] E. Miller,et al. An integrative theory of prefrontal cortex function. , 2001, Annual review of neuroscience.
[150] M. Steriade,et al. Dynamic properties of corticothalamic neurons and local cortical interneurons generating fast rhythmic (30-40 Hz) spike bursts. , 1998, Journal of neurophysiology.
[151] R. Traub,et al. Spatiotemporal patterns of gamma frequency oscillations tetanically induced in the rat hippocampal slice. , 1997, The Journal of physiology.
[152] J.F.W. Deakin,et al. Neurobiology of schizophrenia , 1996 .
[153] W. Singer. Development and plasticity of cortical processing architectures. , 1995, Science.
[154] D. Contreras,et al. Electrophysiological properties of intralaminar thalamocortical cells discharging rhythmic (approximately 40 HZ) spike-bursts at approximately 1000 HZ during waking and rapid eye movement sleep. , 1993, Neuroscience.