Year: 2017
Type: article
Abstract: Significance Theta-gamma coupling has been largely documented in hippocampal and neocortical areas and hypothesized to constitute a network mechanism for information processing. However, we identify here another global slow rhythm at near-theta frequency that also couples to gamma. By simultaneously recording respiration, we could distinguish actual theta oscillations from a respiration-entrained rhythm (RR) in the local field potential whose peak frequency may overlap with theta. We demonstrate a robust specificity for the coupling of different gamma subbands to either theta or RR depending on brain state and region. The results suggest that the brain uses different frequency channels for transferring different types of information.
Language: English
Subfield: Cognitive Neuroscience
Field: Neuroscience
Domain: Life Sciences
Open Access status: bronze
Awards: G1286561069, G279003358, G5241873184, G5840703522, G7569042508, Verbundprojekt: Bernstein Zentrum für Computational Neuroscience, Heidelberg/Mannheim - 'Von den Genen zum Verhalten: Einfluss genetischer Variation auf neuronale Informationsverarbeitung bei psychischen Störungen' - Teilprojekt M, A1, A2, A4, B1, B2, B3, C1, C2 und C4, Neuronale Netzwerkoszillationen als Mechanismen der Gedächtnisbildung - Entwicklung neuer Mess- und Analysemethoden für normale und pathologische Aktivitätsmuster
OpenAlex ID: W2607243537