Slow periodic events and their transition to gamma oscillations in the entorhinal cortex of the isolated Guinea pig brain.

Cellular correlates of spontaneous periodic events in the medial entorhinal cortex of the in vitro isolated guinea pig brain.

Periodic potentials characterized by fast oscillations superimposed on a slow complex event are typically observed in cortical structures during sleep and anaesthesia. In the entorhinal cortex (EC) similar spontaneous periodic events (SPEs) have been described both in vivo and in vitro. Simultaneous extracellular and intracellular recordings from superficial neurons of the entorhinal cortex of ...

Carbachol induces fast oscillations in the medial but not in the lateral entorhinal cortex of the isolated guinea pig brain.

Fast oscillations at 25-80 Hz (gamma activity) have been proposed to play a role in attention-related mechanisms and synaptic plasticity in cortical structures. Recently, it has been demonstrated that the preservation of the entorhinal cortex is necessary to maintain gamma oscillations in the hippocampus. Because gamma activity can be reproduced in vitro by cholinergic activation, this study ex...

Modeling of entorhinal cortex epileptic activity 1 Submitted to the Journal of Neurophysiology Revised version Realistic modeling of Entorhinal Cortex field potentials and interpretation of epileptic activity in the guinea-pig isolated brain preparation

246 words) Mechanisms underlying epileptic activities recorded from entorhinal cortex (EC) were studied through a computational model based on review of cytoarchitectonic and neurobiological data about this structure. The purpose of this study is to describe and use this model to interpret epileptiform discharge patterns recorded in an experimental model of ictogenesis (guinea-pig isolated brai...

Pig Isolated Brain Preparation and Interpretation of Epileptic Activity in the Guinea Realistic Modeling of Entorhinal Cortex Field Potentials

Neuroprotective Effect of Gallic Acid on Memory Deficit and Content of BDNF in Brain Entorhinal Cortex of Rat’s Offspring in Uteroplacental Insufficiency Model

Introduction: Uteroplacental insufficiency (UPI) causes neurodevelopmental deficits affecting the intrauterine growth restricted (IUGR) offspring. This study aimed to analyze the effects of Gallic acid (GA) on memory deficit and brain-derived neurotrophic factor (BDNF) content in entorhinal cortex of UPI rat models. Methods: In this experimental study, 40 pregnant Wistar rats were randomly div...