[HTML][HTML] Storm on predictive brain: a neurocomputational account of ketamine antidepressant effect

H Bottemanne, L Berkovitch, C Gauld… - Neuroscience & …, 2023 - Elsevier
For the past decade, ketamine, an N-methyl-D-aspartate receptor (NMDAr) antagonist, has
been considered a promising treatment for major depressive disorder (MDD). Unlike the …

Glutamatergic signaling drives ketamine-mediated response in depression: evidence from dynamic causal modeling

JR Gilbert, JS Yarrington, KE Wills… - International Journal …, 2018 - academic.oup.com
Background The glutamatergic modulator ketamine has rapid antidepressant effects in
individuals with major depressive disorder and bipolar depression. Thus, modulating …

Candidate strategies for development of a rapid-acting antidepressant class that does not result in neuropsychiatric adverse effects: Prevention of ketamine-induced …

M Okada, Y Kawano, K Fukuyama, E Motomura… - International Journal of …, 2020 - mdpi.com
Non-competitive N-methyl-D-aspartate/glutamate receptor (NMDAR) antagonism has been
considered to play important roles in the pathophysiology of schizophrenia. In spite of …

Sustained antidepressant effects of ketamine metabolite involve GABAergic inhibition-mediated molecular dynamics in aPVT glutamatergic neurons

A Kawatake-Kuno, H Li, H Inaba, M Hikosaka… - Neuron, 2024 - cell.com
Despite the rapid and sustained antidepressant effects of ketamine and its metabolites, their
underlying cellular and molecular mechanisms are not fully understood. Here, we …

Integrative analysis of sex differences in the rapid antidepressant effects of ketamine in preclinical models for individualized clinical outcomes

SK Saland, F Duclot, M Kabbaj - Current opinion in behavioral sciences, 2017 - Elsevier
Highlights•Ketamine's antidepressant effects in preclinical models are sexually different.•The
higher sensitivity of females to ketamine is modulated by hormonal fluctuations.•Ketamine …

Functional connectivity between prefrontal cortex and subgenual cingulate predicts antidepressant effects of ketamine

M Gärtner, S Aust, M Bajbouj, Y Fan… - European …, 2019 - Elsevier
Converging evidence suggests that a single sub-anesthetic dose of ketamine can produce
strong and rapid antidepressant effects in patients that do not respond to standard treatment …

Neuregulin signaling mediates the acute and sustained antidepressant effects of subanesthetic ketamine

SF Grieco, X Qiao, KG Johnston, L Chen… - Translational …, 2021 - nature.com
Subanesthetic ketamine evokes rapid antidepressant effects in human patients that persist
long past ketamine's chemical half-life of~ 2 h. Ketamine's sustained antidepressant action …

Ketamine improves short-term plasticity in depression by enhancing sensitivity to prediction errors

RL Sumner, R McMillan, MJ Spriggs… - European …, 2020 - Elsevier
Major depressive disorder negatively impacts the sensitivity and adaptability of the brain's
predictive coding framework. The current electroencephalography study into the …

Differences between ketamine's short-term and long-term effects on brain circuitry in depression

N Gass, R Becker, J Reinwald, A Cosa-Linan… - Translational …, 2019 - nature.com
Ketamine acts as a rapid clinical antidepressant at 25 min after injection with effects
sustained for 7 days. As dissociative effects emerging acutely after injection are not entirely …

Novel insights into the neurobiology of the antidepressant response from ketamine research: a mini review

M Colla, H Scheerer, S Weidt, E Seifritz… - Frontiers in Behavioral …, 2021 - frontiersin.org
The serendipitous discovery of ketamine's antidepressant effects represents one of the
major landmarks in neuropsychopharmacological research of the last 50 years. Ketamine …