Toomas Kivastik

Nitric oxide synthesis inhibition attenuates morphine-induced place preference

Toomas Kivastik · Pharmacology Biochemistry and Behavior · 1996 · 49 citations

Morphine-induced Place Preference, Molecular Pharmacology, Health Sciences +10

Involvement of Opioid μ1-Receptors in Opioid-Induced Acceleration of Striatal and Limbic Dopaminergic Transmission

Petteri Piepponen, A. Honkanen, Toomas Kivastik et al. · Pharmacology Biochemistry and Behavior · 1999 · 40 citations

Opioid μ1-Receptors, Health Sciences, Neurophysiology +14

Neuropeptide Y Y1 receptor antagonist BIBP3226 produces conditioned place aversion in rats

Ants Kask, Toomas Kivastik, Lembit Rägo et al. · Progress in Neuro-Psychopharmacology and Biological Psychiatry · 1999 · 28 citations

Conditioned Place Aversion, Behavioral Sciences, Molecular Neuroscience +13

Morphine- and cocaine-induced conditioned place preference: Effects of quinpirole and preclamol

Toomas Kivastik, Kati Vuorikallas, Petteri Piepponen et al. · Pharmacology Biochemistry and Behavior · 1996 · 26 citations

Substance Abuse, Psychoactive Drug, Substance Use +13

Is upregulation of benzodiazepine receptors a compensatory reaction to reduced GABAergic tone in the brain of stressed mice?

Paavo Pokk, Toomas Kivastik, D. Sobol et al. · Naunyn-Schmiedeberg s Archives of Pharmacology · 1996 · 19 citations

Stressed Mice, Psychotropic Medication, Neurotransmitter +16