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Dorsal hippocampus represents locations to avoid as well as locations to approach during approach-avoidance conflict.
PLoS Biol
January 2025
Department of Neuroscience, University of Minnesota, Minneapolis, Minnesota, United States of America.
Worrying about perceived threats is a hallmark of multiple psychological disorders including anxiety. This concern about future events is particularly important when an individual is faced with an approach-avoidance conflict. Potential goals to approach are known to be represented in the dorsal hippocampus during theta cycles.
View Article and Find Full Text PDFNeuropharmacological potential of Mimosa tenuiflora in adult zebrafish: An integrated approach to GABAergic and serotonergic neuromodulation.
Behav Brain Res
March 2025
Experimental Biology Center, University of Fortaleza, Av. Washington Soares, 1321 - Fortaleza, Ceará, Brazil. Electronic address:
Mimosa tenuiflora ("jurema-preta") is traditionally used in folk medicine for various diseases. The study investigated the neuropharmacological potential of Mimosa tenuiflora bark fraction (FATEM) in adult zebrafish. This included the acute toxicity (LC50) of FATEM (0.
View Article and Find Full Text PDF[Comorbid anxiety disorders in patients with neurological pathology: current state of the problem and the role of etifoxine in treatment strategy].
Zh Nevrol Psikhiatr Im S S Korsakova
December 2024
Siberian State Medical University, Tomsk, Russia.
The article presents theses of the resolution of the Interdisciplinary Council of Experts in Psychiatry and Neurology (Moscow, 2024) on the issue of comorbid anxiety disorders (AD) in patients with neurological pathologies. The authors highlight the high prevalence of comorbid ADs and their significant negative impact on the course of underlying diseases, such as epilepsy, pain syndromes and post-stroke conditions. Modern approaches to the diagnosis and treatment of ADs in this group of patients are discussed.
View Article and Find Full Text PDFSynergistic Anxiolytic Effects of Linalool and Sesamol Co-Treatment on Swiss Albino Mice: A Potential GABAergic Intervention.
Synapse
January 2025
Department of Biochemistry & Molecular Biology, Bangabandhu Sheikh Mujibur Rahman Science and Technology University, Gopalganj, Bangladesh.
Sesamol (SES) and linalool (LIN) are aromatic compounds that have neuroprotective effects. The main purpose of this study is to evaluate the anxiolytic activity of LIN and SES co-treatment on Swiss albino mice and analyze its possible mechanism through in silico study. In this sense, the mice were given the gamma-aminobutyric acid type A receptors (GABA) agonist diazepam (DZP; 3 mg/kg, p.
View Article and Find Full Text PDFLinking Anxiolytic Action to Hippocampal "Theta"-A Personal History.
Hippocampus
January 2025
Department of Psychology, University of Otago, Dunedin, New Zealand.
This paper provides a personal history of work starting with the discovery that anxiolytic drugs reduce hippocampal theta frequency. It includes parallel work on septal elicitation of theta carried out in Jeffrey Gray's laboratory in Oxford; a statement of my original scientific perspective on the work; and a description of later work in my laboratory in New Zealand confirming the function of theta rhythmicity per se and its mediation of the effects of anxiolytic drugs on behavior. I finish with comments on risk management with such experiments and their use in larger scale theory development.
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