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GABAergic Neurons in the Central Amygdala Promote Emergence from Isoflurane Anesthesia in Mice.
Anesthesiology
February 2025
Department of Pharmacology, School of Pharmacy, Fujian Medical University, Fuzhou, China; Fujian Key Laboratory of Drug Target Discovery and Structural and Functional Research, Fujian Medical University, Fuzhou, China.
Background: Recent evidence indicates that general anesthesia and sleep-wake behavior share some overlapping neural substrates. γ-Aminobutyric acid-mediated (GABAergic) neurons in the central amygdala have a high firing rate during wakefulness and play a role in regulating arousal-related behaviors. The objective of this study was to investigate whether central amygdala GABAergic neurons participate in the regulation of isoflurane general anesthesia and uncover the underlying neural circuitry.
View Article and Find Full Text PDFPrestimulation neuronal activity predicts visual awareness of phosphene elicited by intracranial electrical stimulation.
Brain Stimul
April 2024
School of Psychological and Cognitive Sciences and Beijing Key Laboratory of Behavior and Mental Health, Peking University, Beijing 100871, China; IDG/McGovern Institute for Brain Research, Peking University, Beijing 100871, China; Peking-Tsinghua Center for Life Sciences, Peking University, Beijing 100871, China. Electronic address:
Cellular mechanisms underlying carry-over effects after magnetic stimulation.
Sci Rep
March 2024
Department of Biology, Loyola University Chicago, Quinlan Life Sciences Education and Research Center, 1032 W. Sheridan Rd., Chicago, IL, 60660, USA.
Magnetic fields are widely used for neuromodulation in clinical settings. The intended effect of magnetic stimulation is that neural activity resumes its pre-stimulation state right after stimulation. Many theoretical and experimental works have focused on the cellular and molecular basis of the acute neural response to magnetic field.
View Article and Find Full Text PDFTranscranial burst electrical stimulation contributes to neuromodulatory effects in the rat motor cortex.
Front Neurosci
December 2023
School of Physical Therapy and Graduate Institute of Rehabilitation Science, Chang Gung University, Taoyuan, Taiwan.
Background And Objective: Transcranial Burst Electrical Stimulation (tBES) is an innovative non-invasive brain stimulation technique that combines direct current (DC) and theta burst stimulation (TBS) for brain neuromodulation. It has been suggested that the tBES protocol may efficiently induce neuroplasticity. However, few studies have systematically tested neuromodulatory effects and underlying neurophysiological mechanisms by manipulating the polarity of DC and TBS patterns.
View Article and Find Full Text PDFNeural complexity and the spectral slope characterise auditory processing in wakefulness and sleep.
Eur J Neurosci
March 2024
Institute of Computer Science, University of Bern, Bern, Switzerland.
Auditory processing and the complexity of neural activity can both indicate residual consciousness levels and differentiate states of arousal. However, how measures of neural signal complexity manifest in neural activity following environmental stimulation and, more generally, how the electrophysiological characteristics of auditory responses change in states of reduced consciousness remain under-explored. Here, we tested the hypothesis that measures of neural complexity and the spectral slope would discriminate stages of sleep and wakefulness not only in baseline electroencephalography (EEG) activity but also in EEG signals following auditory stimulation.
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