ArticleClinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology2010
Somatosensory-related gamma-, beta- and alpha-augmentation precedes alpha- and beta-attenuation in humans.
Article in Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers.
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23 citing papers in PubMed.
- Naming-related spectral responses predict neuropsychological outcome after epilepsy surgery.Brain : a journal of neurology · 2022Trial
- Electrocorticographic correlates of overt articulation of 44 English phonemes: intracranial recording in children with focal epilepsy.Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology · 2014Trial
- Dynamic cortical and tractography atlases of proactive and reactive alpha and high-gamma activities.Brain communications · 2023Article
- Long-latency gamma modulation after median nerve stimulation delineates the central sulcus and contrasts the states of consciousness.Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology · 2023Article
- A functional neuron maturation device provides convenient application on microelectrode array for neural network measurement.Biomaterials research · 2022Article
- Local cortical thickness predicts somatosensory gamma oscillations and sensory gating: A multimodal approach.NeuroImage · 2020Article
- Four-dimensional functional cortical maps of visual and auditory language: Intracranial recording.Epilepsia · 2019Article
- Toward understanding the neurophysiological basis of peripersonal space: An EEG study on healthy individuals.PloS one · 2019Article
- Toxicological evaluation of convulsant and anticonvulsant drugs in human induced pluripotent stem cell-derived cortical neuronal networks using an MEA system.Scientific reports · 2018Article
- Three- and four-dimensional mapping of speech and language in patients with epilepsy.Brain : a journal of neurology · 2017Article
- Delineation of somatosensory finger areas using vibrotactile stimulation, an ECoG study.Brain and behavior · 2015Article
- Gamma activity modulated by naming of ambiguous and unambiguous images: intracranial recording.Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology · 2015Article
- Mapping mental calculation systems with electrocorticography.Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology · 2015Article
- Evaluating signal-correlated noise as a control task with language-related gamma activity on electrocorticography.Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology · 2014Article
- Evaluating reverse speech as a control task with language-related gamma activity on electrocorticography.NeuroImage · 2012Article
- Spontaneous and visually driven high-frequency oscillations in the occipital cortex: intracranial recording in epileptic patients.Human brain mapping · 2012Article
- Independent predictors of neuronal adaptation in human primary visual cortex measured with high-gamma activity.NeuroImage · 2012Article
- Hypotheses relating to the function of the claustrum.Frontiers in integrative neuroscience · 2012Article
- γ-oscillations modulated by picture naming and word reading: intracranial recording in epileptic patients.Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology · 2011Article
- Spanning the rich spectrum of the human brain: slow waves to gamma and beyond.Brain structure & function · 2011Article
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Abstract
objectiveSeveral human studies have demonstrated that the amplitudes of cortical oscillations are altered by various sensorimotor and cognitive tasks. Event-related augmentation of gamma oscillations and attenuation of alpha and beta oscillations have been often used as surrogate markers of cortical activation elicited by tasks especially in presurgical identification of eloquent cortices. In the present study, we addressed a question whether somatosensory-related gamma augmentation 'precedes' or 'co-occurs with' somatosensory-related attenuation of alpha-beta oscillations.
methodsWe studied 10 patients who underwent intracranial electrocorticography for epilepsy surgery, and determined the temporal and spatial characteristics of median-nerve somatosensory-related amplitude changes at gamma- (30-100Hz), beta- (14-28Hz) and alpha-band (8-12Hz) oscillations.
resultsWe found that somatosensory-related gamma augmentation involving the post- and pre-central gyri evolved into beta and alpha augmentation, which was subsequently followed by beta and alpha attenuation involving the post- and pre-central gyri.
conclusionsThese observations support the hypothesis that somatosensory-related gamma augmentation but not alpha-beta attenuation represents the initial cortical processing for external somatosensory stimuli. Somatosensory-related alpha-beta attenuation appears to represent a temporally distinct stage of somatosensory processing. SIGNIFICANCE: The present study has increased our understanding of event-related gamma augmentation and alpha-beta attenuation seen on electrocorticography.
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