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The Journal of PhysiologyJune 1, 2026Felipe Guiffa-Gómez, Sashá Van Buuren, Freddy Aguilar et al.1 citation
The medial prefrontal cortex (mPFC) undergoes extensive GABAergic interneuron maturation during adolescence, a process that establishes excitatory-inhibitory balance and supports adult cognitive function. Disruptions during this critical developmental period contribute to neuropsychiatric disorders, yet the enduring consequences for adult synaptic plasticity remain poorly understood. Here we...
The Journal of PhysiologyOctober 1, 2024Jesús Pardo-Valencia, Miryam Moreno-Gomez, Noelia Mercado et al.
Consciousness, defined as being aware of and responsive to one's surroundings, is characteristic of normal waking life and typically is lost during sleep and general anaesthesia. The traditional view of consciousness as a global brain state has evolved toward a more sophisticated interplay between global and local states, with the presence of local sleep in the awake brain and local wakefulness...
Subanaesthetic doses of the N ‐methyl‐ d ‐aspartate (NMDA) antagonist ketamine have been shown to determine a dual modulating effect on glutamatergic transmission in experimental animals, blocking NMDA receptor activity and enhancing non‐NMDA transmission through an increase in the release of endogenous glutamate. Little is known about the effects of ketamine on the excitability of the human...
1. Phencyclidine (PCP) block of Ca2+ channel current in enzymatically dissociated neurones from the CA1 region of the adult guinea-pig hippocampus was studied using whole-cell voltage clamp techniques. Ca2+ channel current was recorded with 3 mM-Ba2+ as the charge carrier. Na+ currents were blocked with tetrodotoxin and K+ currents were eliminated by using tetraethylammonium and...
1. Stable N-methyl-D-aspartic acid (NMDA) receptor-mediated currents in cultured mouse hippocampal neurons were evoked by 20 ms pressure pulse applications of L-aspartate, repeatedly applied at 30 or 40 s intervals, to the cell body region of the neurone. We have characterized the voltage- and use-dependent blockade of the currents by three dissociative anaesthetics: ketamine, phencyclidine...