Gamma amplitudes are coupled to theta phase in human EEG during visual perception

Demiralp, Tamer; Bayraktaroğlu, Zübeyir; Lenz, Daniel; Junge, Stefanie; Busch, Niko A.; Maess, Burkhard; Ergen, Mehmet; Herrmann, Christoph S.

doi:10.1016/j.ijpsycho.2006.07.005

Cited by 199 publications

(138 citation statements)

References 30 publications

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“…This finding is in line with other studies that found effects of multisensory integration within the theta frequency band (e.g., Sakowitz et al, 2005). Also the spatial distribution of this response is in accordance with previously described topographies that showed frontocentral as well as occipital maxima (Ishii et al, 1999;Demiralp et al, 2007).…”

Section: Multisensory Effectssupporting

confidence: 93%

Auditory Event-Related Response in Visual Cortex Modulates Subsequent Visual Responses in Humans

Naue

Rach²,

Strüber³

et al. 2011

J. Neurosci.

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Growing evidence from electrophysiological data in animal and human studies suggests that multisensory interaction is not exclusively a higher-order process, but also takes place in primary sensory cortices. Such early multisensory interaction is thought to be mediated by means of phase resetting. The presentation of a stimulus to one sensory modality resets the phase of ongoing oscillations in another modality such that processing in the latter modality is modulated. In humans, evidence for such a mechanism is still sparse. In the current study, the influence of an auditory stimulus on visual processing was investigated by measuring the electroencephalogram (EEG) and behavioral responses of humans to visual, auditory, and audiovisual stimulation with varying stimulus-onset asynchrony (SOA). We observed three distinct oscillatory EEG responses in our data. An initial gamma-band response around 50 Hz was followed by a beta-band response around 25 Hz, and a theta response around 6 Hz. The latter was enhanced in response to cross-modal stimuli as compared to either unimodal stimuli. Interestingly, the beta response to unimodal auditory stimuli was dominant in electrodes over visual areas. The SOA between auditory and visual stimuli-albeit not consciously perceived-had a modulatory impact on the multisensory evoked beta-band responses; i.e., the amplitude depended on SOA in a sinusoidal fashion, suggesting a phase reset. These findings further support the notion that parameters of brain oscillations such as amplitude and phase are essential predictors of subsequent brain responses and might be one of the mechanisms underlying multisensory integration.

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Section: Multisensory Effectssupporting

confidence: 93%

Auditory Event-Related Response in Visual Cortex Modulates Subsequent Visual Responses in Humans

Naue

Rach²,

Strüber³

et al. 2011

J. Neurosci.

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“…This phase-amplitude coupling has been observed in several areas of the brain, including the hippocampus, the basal ganglia, and the neocortex (1)(2)(3)(4)(5)(6)(7)(8)(9). In neocortex, coupling often occurs between the amplitude of broadband-γ activity (50-200 Hz) and the phase of a variety of low-frequency rhythms, especially δ (5), θ (7,10,11), and α (2, 10, 12, 13). The magnitude, preferred phase, and exact frequency bands involved in phaseamplitude coupling are modulated dynamically and with anatomic specificity during performance of a variety of cognitive and sensory tasks (14).…”

mentioning

confidence: 92%

Exaggerated phase–amplitude coupling in the primary motor cortex in Parkinson disease

Hemptinne¹,

Ryapolova-Webb²,

Air

et al. 2013

Proc. Natl. Acad. Sci. U.S.A.

490

471

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An important mechanism for large-scale interactions between cortical areas involves coupling between the phase and the amplitude of different brain rhythms. Could basal ganglia disease disrupt this mechanism? We answered this question by analysis of local field potentials recorded from the primary motor cortex (M1) arm area in patients undergoing neurosurgery. In Parkinson disease, coupling between β-phase (13-30 Hz) and γ-amplitude (50-200 Hz) in M1 is exaggerated compared with patients with craniocervical dystonia and humans without a movement disorder. Excessive coupling may be reduced by therapeutic subthalamic nucleus stimulation. Peaks in M1 γ-amplitude are coupled to, and precede, the subthalamic nucleus β-trough. The results prompt a model of the basal ganglia-cortical circuit in Parkinson disease incorporating phase-amplitude interactions and abnormal corticosubthalamic feedback and suggest that M1 local field potentials could be used as a control signal for automated programming of basal ganglia stimulators.electrocorticography | cross-frequency coupling

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“…at the same time, in light of research from both human and animal studies supporting a role for neuronal synchronization in the gamma band underlying feature binding, learning, and memory (herrmann et al 2010;Jensen et al 2007;Rieder et al 2011), we also explored the possibility that fitness-and acute exercise-related differences would be observed in gamma coherence. While current theory and research suggests that gamma synchronization may be critical during the formation of new neural assemblies that undergird learning, theta is known to be involved in memory processing and has been related to gamma (gamma appearing during particular phases within the theta cycle) in studies using intracortical recordings (Mormann et al 2005) and EEG recording (Demiralp et al 2007). In order to better understand the influence of fitness and acute exercise on coherence, the current study examines coherence effects across groups and stimulus conditions in the delta, theta, alpha, beta, and gamma range.…”

mentioning

confidence: 99%

The interactive effects of physical fitness and acute aerobic exercise on electrophysiological coherence and cognitive performance in adolescents

et al. 2013

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Gamma amplitudes are coupled to theta phase in human EEG during visual perception

Cited by 199 publications

References 30 publications

Auditory Event-Related Response in Visual Cortex Modulates Subsequent Visual Responses in Humans

Auditory Event-Related Response in Visual Cortex Modulates Subsequent Visual Responses in Humans

Exaggerated phase–amplitude coupling in the primary motor cortex in Parkinson disease

The interactive effects of physical fitness and acute aerobic exercise on electrophysiological coherence and cognitive performance in adolescents

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