Search Results - "Kvarta, Mark D."
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Chronic stress induces a selective decrease in AMPA receptor-mediated synaptic excitation at hippocampal temporoammonic-CA1 synapses
Published in The Journal of neuroscience (02-10-2013)“…Chronic stress promotes depression, but how it disrupts cognition and mood remains unknown. Chronic stress causes atrophy of pyramidal cell dendrites in the…”
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Local potentiation of excitatory synapses by serotonin and its alteration in rodent models of depression
Published in Nature neuroscience (01-04-2013)“…The authors find that serotonin, acting through 5-HT 1B receptors, potentiates temporoammonic pathway–to–CA1 cell excitatory synapses in the hippocampus…”
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3
The additive impact of cardio‐metabolic disorders and psychiatric illnesses on accelerated brain aging
Published in Human brain mapping (15-04-2022)“…Severe mental illnesses (SMI) including major depressive disorder (MDD), bipolar disorder (BD), and schizophrenia spectrum disorder (SSD) elevate accelerated…”
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Association between brain similarity to severe mental illnesses and comorbid cerebral, physical, and cognitive impairments
Published in NeuroImage (Orlando, Fla.) (01-01-2023)“…•Non-psychiatric adults were clustered by brain similarity to severe mental illness.•Clusters with more similarity had higher volume of white matter…”
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Comparing empirical kinship derived heritability for imaging genetics traits in the UK biobank and human connectome project
Published in NeuroImage (Orlando, Fla.) (15-12-2021)“…Imaging genetics analyses use neuroimaging traits as intermediate phenotypes to infer the degree of genetic contribution to brain structure and function in…”
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Cerebral blood flow and cardiovascular risk effects on resting brain regional homogeneity
Published in NeuroImage (Orlando, Fla.) (15-11-2022)“…Regional homogeneity (ReHo) is a measure of local functional brain connectivity that has been reported to be altered in a wide range of neuropsychiatric…”
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Peri-Ictal Changes in Depression and Anxiety in Persons With Epileptic and Non-epileptic Seizures
Published in Frontiers in psychiatry (22-07-2022)“…ObjectiveWe tested the hypothesis that epileptic, but not non-epileptic, seizures would produce an improvement in comorbid depression and anxiety symptoms in…”
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Demyelination as a harbinger of lymphoma: a case report and review of primary central nervous system lymphoma preceded by multifocal sentinel demyelination
Published in BMC neurology (21-05-2016)“…Primary central nervous system lymphoma (PCNSL) may rarely be preceded by "sentinel demyelination," a pathologic entity characterized by histologically…”
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Mapping local and long-distance resting connectivity markers of TMS-related inhibition reduction in schizophrenia
Published in NeuroImage clinical (01-01-2021)“…•Exploration of neural basis of the short-interval intracortical inhibition (SICI) marker using paired-pulse TMS in individuals with schizophrenia.•Use of a…”
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Sex differences in antidepressant efficacy
Published in Neuropsychopharmacology (New York, N.Y.) (01-01-2019)“…Sex differences have been observed across many psychiatric diseases, especially mood disorders. For major depression, the most prevalent psychiatric disorder,…”
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Multiple dimensions of stress vs. genetic effects on depression
Published in Translational psychiatry (29-04-2021)“…Many psychiatric disorders including depression involve complex interactions of genetics and environmental stressors. Environmental influence is challenging to…”
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Comparison of regional brain deficit patterns in common psychiatric and neurological disorders as revealed by big data
Published in NeuroImage clinical (01-01-2021)“…•RVI for MDD and AD was derived based on large meta-analytical findings.•RVI-MDD and AD were significantly elevated in UKBB subjects with respective…”
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Effects of independent versus dependent stressful life events on major symptom domains of schizophrenia
Published in NPJ schizophrenia (08-12-2023)“…We evaluated two models to link stressful life events (SLEs) with the psychopathology of schizophrenia spectrum disorders (SSD). We separated SLEs into…”
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Reward behaviour is regulated by the strength of hippocampus–nucleus accumbens synapses
Published in Nature (London) (01-12-2018)“…Reward drives motivated behaviours and is essential for survival, and therefore there is strong evolutionary pressure to retain contextual information about…”
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Illuminating a path from light to depression
Published in Nature neuroscience (01-07-2020)“…Our light environment can strongly influence our mental health. Kai An and colleagues dissect the neuronal circuit mediating depression-related behaviors…”
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Esketamine in depression: putative biomarkers from clinical research
Published in European archives of psychiatry and clinical neuroscience (13-07-2024)“…The discovery of racemic (R, S)-ketamine as a rapid-acting antidepressant and the subsequent FDA approval of its (S)-enantiomer, esketamine, for…”
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Impact of lifetime stressor exposure on neuroenergetics in schizophrenia spectrum disorders
Published in Schizophrenia research (01-07-2024)“…N-acetylasparate and lactate are two prominent brain metabolites closely related to mitochondrial functioning. Prior research revealing lower levels of NAA and…”
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Corticosterone mediates the synaptic and behavioral effects of chronic stress at rat hippocampal temporoammonic synapses
Published in Journal of neurophysiology (01-09-2015)“…Chronic stress is thought to impart risk for depression via alterations in brain structure and function, but contributions of specific mediators in generating…”
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Ancestral, Pregnancy, and Negative Early-Life Risks Shape Children’s Brain (Dis)similarity to Schizophrenia
Published in Biological psychiatry (1969) (15-08-2023)“…Familial, obstetric, and early-life environmental risks for schizophrenia spectrum disorder (SSD) alter normal cerebral development, leading to the formation…”
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Depression, stress and regional cerebral blood flow
Published in Journal of cerebral blood flow and metabolism (01-05-2023)“…Decreased cerebral blood flow (CBF) may be an important mechanism associated with depression. In this study we aimed to determine if the association of CBF and…”
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