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University of Tartu: Tartu, EE

2020-03-01 to present | researcher (Institute of Genomics)
Employment
Source: Self-asserted source
Kadri Kõiv

Works (22)

Assessing the overlap of personality traits and internalizing psychopathology using multi-informant data: Two sides of the same coin?

Journal of Psychopathology and Clinical Science
2025-03-03 | Journal article
DOI: 10.1037/abn0000967
Contributors: Helo Liis Soodla; Kelli Lehto; Kadri Kõiv; Uku Vainik; Kirsti Akkermann; René Mõttus
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Genome-wide meta-analysis of ascertainment and symptom structures of major depression in case-enriched and community cohorts

Psychological Medicine
2024-09 | Journal article
DOI: 10.1017/S0033291724001880
Contributors: Mark J. Adams; Jackson G. Thorp; Bradley S. Jermy; Alex S. F. Kwong; Kadri Kõiv; Andrew D. Grotzinger; Michel G. Nivard; Sally Marshall; Yuri Milaneschi; Bernhard T. Baune et al.
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Mental illness and COVID-19 vaccination: a multinational investigation of observational & register-based data

Nature Communications
2024-09-26 | Journal article
DOI: 10.1038/s41467-024-52342-1
Contributors: Mary M. Barker; Kadri Kõiv; Ingibjörg Magnúsdóttir; Hannah Milbourn; Bin Wang; Xinkai Du; Gillian Murphy; Eva Herweijer; Elísabet U. Gísladóttir; Huiqi Li et al.
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Assessing the overlap of personality traits and internalizing psychopathology using multi-informant data: Two sides of the same coin?

2024-06-03 | Preprint
DOI: 10.31219/osf.io/ak6vx
Contributors: Helo Liis Soodla; Kelli Lehto; Kadri Kõiv; Uku Vainik; Kirsti Akkermann; René Mõttus
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Crossref

Effect of Neuropeptide S Administration on Ultrasonic Vocalizations and Behaviour in Rats with Low vs. High Exploratory Activity

Pharmaceuticals
2021-05-30 | Journal article
DOI: 10.3390/ph14060524
Contributors: Kadri Kõiv; Denis Matrov; Trine Uusen; Jaanus Harro
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Crossref
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Extracellular Dopamine Levels in Nucleus Accumbens after Chronic Stress in Rats with Persistently High vs. Low 50-kHz Ultrasonic Vocalization Response

Brain Sciences
2021-04-08 | Journal article
DOI: 10.3390/brainsci11040470
Contributors: Kadri Kõiv; Kai Tiitsaar; Karita Laugus; Jaanus Harro
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Chronic stress sensitizes amphetamine-elicited 50-kHz calls in the rat: Dependence on positive affective phenotype and effects of long-term fluoxetine pretreatment

Pharmacology Biochemistry and Behavior
2018-08 | Journal article
DOI: 10.1016/j.pbb.2018.05.014
Contributors: Marten Vares; Mait Metelitsa; Kadri Kõiv; Margit Kaldmäe; Karita Laugus; Kai Tiitsaar; Ruth Shimmo; Jaanus Harro
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Crossref

Middle-range exploratory activity in adult rats suggests higher resilience to chronic social defeat.

2015-12 | Journal article
PMID: 26669552
Contributors: Matrov D; Kõiv K; Kanarik M; Peet K; Raudkivi K; Harro J
Source: Self-asserted source
Kadri Kõiv via Europe PubMed Central

Revealing the cerebral regions and networks mediating vulnerability to depression: oxidative metabolism mapping of rat brain.

2014-07 | Journal article
DOI: 10.1016/j.bbr.2014.03.019
PMID: 24662150
Contributors: Harro J; Kanarik M; Kaart T; Matrov D; Kõiv K; Mällo T; Del Río J; Tordera RM; Ramirez MJ
Source: Self-asserted source
Kadri Kõiv via Europe PubMed Central

Brain responses to chronic social defeat stress: effects on regional oxidative metabolism as a function of a hedonic trait, and gene expression in susceptible and resilient rats.

2011-01 | Journal article
DOI: 10.1016/j.euroneuro.2010.06.015
PMID: 20656462
Contributors: Kanarik M; Alttoa A; Matrov D; Kõiv K; Sharp T; Panksepp J; Harro J
Source: Self-asserted source
Kadri Kõiv via Europe PubMed Central

The effect of denervation of the locus coeruleus projections with N-(2-chloroethyl)-N-ethyl-2-bromobenzylamine (DSP-4) on cocaine-induced locomotion and place preference in rats.

2011-01 | Journal article
DOI: 10.1016/j.bbr.2010.07.030
PMID: 20678524
Contributors: Kõiv K; Zobel R; Raudkivi K; Kivastik T; Harro J
Source: Self-asserted source
Kadri Kõiv via Europe PubMed Central

Differences in 5-HT1A receptor-mediated hypothermia in rats with low or high exploratory activity.

2010-12 | Journal article
DOI: 10.1097/FBP.0b013e328340a039
PMID: 20926946
Contributors: Kõiv K; Harro J
Source: Self-asserted source
Kadri Kõiv via Europe PubMed Central

Differential gene expression in a rat model of depression based on persistent differences in exploratory activity.

2010-05 | Journal article
DOI: 10.1016/j.euroneuro.2009.09.005
PMID: 19854624
Contributors: Alttoa A; Kõiv K; Hinsley TA; Brass A; Harro J
Source: Self-asserted source
Kadri Kõiv via Europe PubMed Central

Effect of chronic stress on behavior and cerebral oxidative metabolism in rats with high or low positive affect.

2009-12 | Journal article
DOI: 10.1016/j.neuroscience.2009.08.041
PMID: 19706319
Contributors: Mällo T; Matrov D; Kõiv K; Harro J
Source: Self-asserted source
Kadri Kõiv via Europe PubMed Central

Rats with persistently high exploratory activity have both higher extracellular dopamine levels and higher proportion of D(2) (High) receptors in the striatum.

2009-05 | Journal article
DOI: 10.1002/syn.20620
PMID: 19184998
Contributors: Alttoa A; Seeman P; Kõiv K; Eller M; Harro J
Source: Self-asserted source
Kadri Kõiv via Europe PubMed Central

Rats with high or low sociability are differently affected by chronic variable stress.

2008-04 | Journal article
DOI: 10.1016/j.neuroscience.2008.01.028
PMID: 18343596
Contributors: Tõnissaar M; Herm L; Eller M; Kõiv K; Rinken A; Harro J
Source: Self-asserted source
Kadri Kõiv via Europe PubMed Central

Changes in regional long-term oxidative metabolism induced by partial serotonergic denervation and chronic variable stress in rat brain.

2008-02 | Journal article
DOI: 10.1016/j.neuint.2007.08.003
PMID: 17884257
Contributors: Kanarik M; Matrov D; Kõiv K; Eller M; Tõnissaar M; Harro J
Source: Self-asserted source
Kadri Kõiv via Europe PubMed Central

Regulation of extracellular serotonin levels and brain-derived neurotrophic factor in rats with high and low exploratory activity.

2008-02 | Journal article
DOI: 10.1016/j.brainres.2007.11.041
PMID: 18177844
PMC: PMC2568862
Contributors: Mällo T; Kõiv K; Koppel I; Raudkivi K; Uustare A; Rinken A; Timmusk T; Harro J
Source: Self-asserted source
Kadri Kõiv via Europe PubMed Central

Rat behavior after chronic variable stress and partial lesioning of 5-HT-ergic neurotransmission: effects of citalopram.

2008-01 | Journal article
DOI: 10.1016/j.pnpbp.2007.08.001
PMID: 17826880
Contributors: Tõnissaar M; Mällo T; Eller M; Häidkind R; Kõiv K; Harro J
Source: Self-asserted source
Kadri Kõiv via Europe PubMed Central

Tickling-induced 50-kHz ultrasonic vocalization is individually stable and predicts behaviour in tests of anxiety and depression in rats.

2007-11 | Journal article
DOI: 10.1016/j.bbr.2007.06.015
PMID: 17675169
Contributors: Mällo T; Matrov D; Herm L; Kõiv K; Eller M; Rinken A; Harro J
Source: Self-asserted source
Kadri Kõiv via Europe PubMed Central

Rats with persistently low or high exploratory activity: behaviour in tests of anxiety and depression, and extracellular levels of dopamine.

2007-02 | Journal article
DOI: 10.1016/j.bbr.2006.11.022
PMID: 17141886
Contributors: Mällo T; Alttoa A; Kõiv K; Tõnissaar M; Eller M; Harro J
Source: Self-asserted source
Kadri Kõiv via Europe PubMed Central

Effects of low dose N-(2-chloroethyl)-N-ethyl-2-bromobenzylamine administration on exploratory and amphetamine-induced behavior and dopamine D2 receptor function in rats with high or low exploratory activity.

2005 | Journal article
DOI: 10.1016/j.neuroscience.2005.01.038
PMID: 15857703
Contributors: Alttoa A; Kõiv K; Eller M; Uustare A; Rinken A; Harro J
Source: Self-asserted source
Kadri Kõiv via Europe PubMed Central
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