Results 161 to 170 of about 86,953 (229)

Linking Age Changes in Human Cortical Microcircuits to Impaired Brain Function and EEG Biomarkers

open access: yesAging Cell, Volume 25, Issue 1, January 2026.
We integrated human data of aging‐related reductions in inhibition, NMDA function, and dendritic spines into detailed models of cortical microcircuits. Simulations showed that the cellular aging mechanisms accounted for many of the age‐related changes seen in human EEG and could be estimated accurately using machine learning from their EEG biomarkers ...
Alexandre Guet‐McCreight   +3 more
wiley   +1 more source

The physiological and pathological effects of sphingolipid metabolism and signaling in the central nervous system

open access: yesBrain Pathology, Volume 36, Issue 1, January 2026.
Sphingolipids are vital components of cell membranes. Metabolic disruptions of sphingolipids, including ceramide and sphingosine‐1‐phosphate, are linked to neurological disorders. This article summarizes the classification, structure, and metabolic processes of sphingolipids, and the physiological and pathological effects of sphingolipid metabolism and
Tian Li   +7 more
wiley   +1 more source

Electrical Synapses Contribute to Sleep‐Dependent Declarative Memory Retention

open access: yesEuropean Journal of Neuroscience, Volume 63, Issue 2, January 2026.
Blocking electrical synapses (gap junctions) in healthy humans by mefloquine impaired the sleep‐dependent retention of verbal declarative memory and improved sensorimotor memory consolidation irrespective of sleep. Mefloquine also disrupted the coupling of sleep spindles to EEG slow oscillations in humans but did not affect hippocampal sharp‐wave ...
Gordon B. Feld   +9 more
wiley   +1 more source

Sevoflurane Inhibits Layer 5 Pyramidal Neurons via Kv1.2‐Dependent Modulation of Subthreshold Currents

open access: yesJournal of Neurochemistry, Volume 170, Issue 1, January 2026.
General anesthetics suppress cortical activity, but their cellular mechanisms remain unclear. We investigated how the volatile anesthetic sevoflurane affects layer 5 pyramidal neurons in the auditory cortex. Using patch‐clamp recordings and computational modeling, we found that low‐dose sevoflurane reduces neuronal firing through Kv1.2 channel ...
Aelton S. Araujo   +4 more
wiley   +1 more source

Optogenetic stimulation of the median preoptic nucleus: Effects on hypothalamic paraventricular nucleus magnocellular neurons after chronic intermittent hypoxia exposure

open access: yesJournal of Neuroendocrinology, Volume 38, Issue 1, January 2026.
Abstract Median preoptic nucleus (MnPO) neurons projecting to the hypothalamic paraventricular nucleus (PVN) are linked to hypertension induced by chronic intermittent hypoxia (CIH), a model of obstructive sleep apnea. The modulation of MnPO‐driven synaptic activity in PVN magnocellular neurons (MNCs) by CIH remains unexamined.
Obed T. Paundralingga   +4 more
wiley   +1 more source

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