Page last updated: 2024-08-23

bromocriptine and homovanillic acid

bromocriptine has been researched along with homovanillic acid in 39 studies

Research

Studies (39)

Timeframe	Studies, this research(%)	All Research%
pre-1990	22 (56.41)	18.7374
1990's	12 (30.77)	18.2507
2000's	5 (12.82)	29.6817
2010's	0 (0.00)	24.3611
2020's	0 (0.00)	2.80

Authors

Authors	Studies
Bellows, DS; Clarke, ID; Diamandis, P; Dirks, PB; Graham, J; Jamieson, LG; Ling, EK; Sacher, AG; Tyers, M; Ward, RJ; Wildenhain, J	1
Dolphin, AC; Jenner, P; Marsden, CD; Sawaya, MC; Testa, B	1
Da Prada, M; Keller, HH	1
Calne, DB; Carter, AC; Chase, TN; Kartzinel, R; Perlow, MD; Shoulson, I	1
Albano, C; Besio, G; Loeb, C; Roccatagliata, G	1
di Chiara, G; Gessa, GL; Porceddu, ML; Stefanini, E; Vargiu, L	1
Marttila, R; Rinne, UK	1
Bunney, WE	1
Marttila, R; Rinne, UK; Sonninen, V	2
Cramer, H; Kuntzmann, F; Masson, H; Popescu, I; Strubel, D	1
Clayton, PT; Hyland, K	1
Cox, RF; Jackson, DM; Larsson, LG; Martin, LP; Ross, SB; Waszczak, BL	1
Bédard, PJ; Di Paolo, T; Rouillard, C	1
Bédard, P; Boucher, R; Daigle, M; Di Paolo, T	1
Bédard, P; Di Paolo, T; Falardeau, P; Rouillard, C	1
Hietala, J; Koulu, M; Scheinin, M; Syvälahti, E	1
Elderson, A; Verhoeven, WM; Westenberg, HG	1
Bürki, HR	1
Lideman, RR; Mukhin, AG; Zlobina, GP	1
Willner, P	1
Abbruzzese, G; Albano, C; Loeb, DC; Roccatagliata, G	1
Bertilsson, L; Nordin, C; Siwers, B	1
Albano, C; Roccatagliata, G	1
Cutler, NR; Jeste, DV; Karoum, F; Kaufmann, CA	1
de Vries, JB; Feenstra, MG; Goedemoed, JH; Horn, AS; Rollema, H; Sumners, C	1
Heninger, GR; Kendler, KS; Roth, RH	1
Brannan, T; Di Rocco, A; Martínez-Tica, J; Yahr, MD	1
Bymaster, FP; Threlkeld, PG; Wong, DT	1
Capelli, M; Flamigni, C; Grossi, G; Paradisi, R; Pasquali, R; Porcu, E; Rocchi, G; Venturoli, S	1
Bédard, PJ; Boucher, R; Di Paolo, T; Gagnon, C; Gomez-Mancilla, B; Markstein, R	1
Crambes, O; Pagliari, R; Peyrin, L	1
Kitamura, Y; Kohno, Y; Nakazawa, M; Nomura, Y	1
Fujisaki, Y; Inoue, K; Iwasaki, S; Kiriike, N; Kurioka, M; Yamagami, S	1
Cincotta, AH; Luo, S; Meier, AH	1
Asanuma, M; Ogawa, N; Tanaka, K	1
Gispen-de Wied, CC; Kahn, RS; Kemner, C; Oranje, B; Verbaten, MN; Westenberg, HG	2
Harkitis, P; Johnson, EO; Konstandi, M; Marselos, M; Ogren, SO; Thermos, K; Tzimas, P	1

Reviews

2 review(s) available for bromocriptine and homovanillic acid

Article	Year
[Problem of neuronal reception and the dopamine hypothesis of schizophrenia]. Zhurnal nevropatologii i psikhiatrii imeni S.S. Korsakova (Moscow, Russia : 1952), 1980, Volume: 80, Issue:5 Topics: Adenylyl Cyclase Inhibitors; Animals; Antipsychotic Agents; Apomorphine; Blood Platelets; Brain; Bromocriptine; Dopamine; Dopamine Antagonists; Haloperidol; Homovanillic Acid; Humans; Methyltyrosines; Rats; Receptors, Dopamine; Receptors, Opioid; Schizophrenia; Synaptic Membranes; Synaptic Transmission	1980
Dopamine and depression: a review of recent evidence. I. Empirical studies. Brain research, 1983, Volume: 287, Issue:3 Topics: Amphetamine; Antipsychotic Agents; Brain; Bromocriptine; Depressive Disorder; Dihydroxyphenylalanine; Dopamine; Double-Blind Method; Homovanillic Acid; Humans; Norepinephrine; Parkinson Disease; Piribedil; Receptors, Dopamine; Research	1983

Article

Year

[Problem of neuronal reception and the dopamine hypothesis of schizophrenia].

Zhurnal nevropatologii i psikhiatrii imeni S.S. Korsakova (Moscow, Russia : 1952), 1980, Volume: 80, Issue:5

Topics: Adenylyl Cyclase Inhibitors; Animals; Antipsychotic Agents; Apomorphine; Blood Platelets; Brain; Bromocriptine; Dopamine; Dopamine Antagonists; Haloperidol; Homovanillic Acid; Humans; Methyltyrosines; Rats; Receptors, Dopamine; Receptors, Opioid; Schizophrenia; Synaptic Membranes; Synaptic Transmission

1980

Dopamine and depression: a review of recent evidence. I. Empirical studies.

Brain research, 1983, Volume: 287, Issue:3

Topics: Amphetamine; Antipsychotic Agents; Brain; Bromocriptine; Depressive Disorder; Dihydroxyphenylalanine; Dopamine; Double-Blind Method; Homovanillic Acid; Humans; Norepinephrine; Parkinson Disease; Piribedil; Receptors, Dopamine; Research

1983

Trials

2 trial(s) available for bromocriptine and homovanillic acid

Article	Year
Increasing dopaminergic activity: effects of L-dopa and bromocriptine on human sensory gating. Journal of psychopharmacology (Oxford, England), 2004, Volume: 18, Issue:3 Topics: Acoustic Stimulation; Adult; Brain; Bromocriptine; Cross-Over Studies; Dopamine Agents; Dopamine Agonists; Double-Blind Method; Electroencephalography; Evoked Potentials, Auditory; Homovanillic Acid; Humans; Levodopa; Male; Prolactin; Sensory Deprivation; Time Factors	2004
No effects of l-dopa and bromocriptine on psychophysiological parameters of human selective attention. Journal of psychopharmacology (Oxford, England), 2006, Volume: 20, Issue:6 Topics: Adult; Antiparkinson Agents; Attention; Bromocriptine; Cross-Over Studies; Dopamine; Dopamine Agonists; Double-Blind Method; Electroencephalography; Electrooculography; Event-Related Potentials, P300; Homovanillic Acid; Humans; Levodopa; Male; Prolactin; Psychomotor Performance; Psychophysiology; Receptors, Dopamine D2	2006

Article

Year

Increasing dopaminergic activity: effects of L-dopa and bromocriptine on human sensory gating.

Journal of psychopharmacology (Oxford, England), 2004, Volume: 18, Issue:3

Topics: Acoustic Stimulation; Adult; Brain; Bromocriptine; Cross-Over Studies; Dopamine Agents; Dopamine Agonists; Double-Blind Method; Electroencephalography; Evoked Potentials, Auditory; Homovanillic Acid; Humans; Levodopa; Male; Prolactin; Sensory Deprivation; Time Factors

2004

No effects of l-dopa and bromocriptine on psychophysiological parameters of human selective attention.

Journal of psychopharmacology (Oxford, England), 2006, Volume: 20, Issue:6

Topics: Adult; Antiparkinson Agents; Attention; Bromocriptine; Cross-Over Studies; Dopamine; Dopamine Agonists; Double-Blind Method; Electroencephalography; Electrooculography; Event-Related Potentials, P300; Homovanillic Acid; Humans; Levodopa; Male; Prolactin; Psychomotor Performance; Psychophysiology; Receptors, Dopamine D2

2006

Other Studies

35 other study(ies) available for bromocriptine and homovanillic acid

Article	Year
Chemical genetics reveals a complex functional ground state of neural stem cells. Nature chemical biology, 2007, Volume: 3, Issue:5 Topics: Animals; Cell Survival; Cells, Cultured; Mice; Molecular Structure; Neoplasms; Neurons; Pharmaceutical Preparations; Sensitivity and Specificity; Stem Cells	2007
The effect of bromocriptine on locomotor activity and cerebral catecholamines in rodents. The Journal of pharmacy and pharmacology, 1977, Volume: 29, Issue:12 Topics: 3,4-Dihydroxyphenylacetic Acid; Adenylyl Cyclases; Animals; Brain; Bromocriptine; Dopamine; Female; Homovanillic Acid; Male; Methoxyhydroxyphenylglycol; Mice; Molecular Conformation; Motor Activity; Norepinephrine; Rats; Receptors, Dopamine; Structure-Activity Relationship	1977
Central dopamine agonistic activity and microsomal biotransformation of lisuride, lergotrile and bromocriptine. Life sciences, 1979, Mar-26, Volume: 24, Issue:13 Topics: Animals; Biotransformation; Body Temperature; Brain; Bromocriptine; Dopamine; Ergolines; Homovanillic Acid; Lisuride; Male; Microsomes; Rats	1979
Metabolic studies with bromocriptine in patients with idiopathic parkinsonism and Huntington's chorea. Transactions of the American Neurological Association, 1976, Volume: 101 Topics: Bromocriptine; Ergolines; Growth Hormone; Homovanillic Acid; Humans; Huntington Disease; Hydroxyindoleacetic Acid; Parkinson Disease; Prolactin	1976
Bromocriptine and dopaminergic function in Huntington disease. Neurology, 1979, Volume: 29, Issue:5 Topics: Adult; Aged; Bromocriptine; Female; Homovanillic Acid; Humans; Huntington Disease; Male; Middle Aged; Receptors, Dopamine	1979
Evidence for selective and long-lasting stimulation of "regulatory" dopamine-receptors by bromocriptine (CB 154). Naunyn-Schmiedeberg's archives of pharmacology, 1977, Volume: 300, Issue:3 Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Apomorphine; Brain Chemistry; Bromocriptine; Dopamine; Homovanillic Acid; Male; Mice; Motor Activity; Receptors, Dopamine; Stimulation, Chemical; Synaptosomes; Time Factors	1977
Brain dopamine receptor stimulation and the relief of Parkinsonism: relationship between bromocriptine and levodopa. Annals of neurology, 1978, Volume: 4, Issue:3 Topics: Benserazide; Brain; Bromocriptine; Female; Homovanillic Acid; Humans; Levodopa; Male; Middle Aged; Parkinson Disease; Receptors, Dopamine	1978
Nonstriatal dopaminergic neurons: Section XI. Dopaminergic neurons and mental diseases: Introduction: dopaminergic neurons and mental diseases. Advances in biochemical psychopharmacology, 1977, Volume: 16 Topics: Apomorphine; Bromocriptine; Catecholamines; Depression; Dopamine; Homovanillic Acid; Humans; Levodopa; Mental Disorders; Neurons; Schizophrenia	1977
Brain dopamine turnover and the relief of parkinsonism. Archives of neurology, 1977, Volume: 34, Issue:10 Topics: Brain; Bromocriptine; Dopamine; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Parkinson Disease; Piperazines; Piribedil; Probenecid	1977
Brain dopamine turnover and the relief of parkinsonism. Advances in experimental medicine and biology, 1977, Volume: 90 Topics: Aromatic Amino Acid Decarboxylase Inhibitors; Bromocriptine; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Levodopa; Parkinson Disease; Piperazines; Piribedil; Probenecid; Receptors, Dopamine	1977
Somatostatin-like immunoreactivity in the cerebrospinal fluid of aged patients with Parkinson's disease. The effect of dopatherapy. Journal of the American Geriatrics Society, 1990, Volume: 38, Issue:1 Topics: Aged; Aged, 80 and over; Benserazide; Bromocriptine; Cognition Disorders; Female; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Levodopa; Male; Parkinson Disease; Severity of Illness Index; Somatostatin	1990
Aromatic amino acid decarboxylase deficiency in twins. Journal of inherited metabolic disease, 1990, Volume: 13, Issue:3 Topics: Aromatic-L-Amino-Acid Decarboxylases; Bromocriptine; Diseases in Twins; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Infant; Male; Norepinephrine; Pyridoxine; Serotonin; Tranylcypromine; Twins, Monozygotic; Tyrosine	1990
Behavioural, biochemical and electrophysiological studies on the motor depressant and stimulant effects of bromocriptine. Naunyn-Schmiedeberg's archives of pharmacology, 1990, Volume: 342, Issue:3 Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Brain Chemistry; Bromocriptine; Dihydroxyphenylalanine; Dopamine; Electrophysiology; Homovanillic Acid; Hydrazines; Male; Mice; Mice, Inbred Strains; Motor Activity; Rats; Rats, Inbred Strains; Receptors, Dopamine; Stereotaxic Techniques	1990
Effects of chronic treatment of MPTP monkeys with bromocriptine alone or in combination with SKF 38393. European journal of pharmacology, 1990, Aug-28, Volume: 185, Issue:2-3 Topics: 1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine; 2,3,4,5-Tetrahydro-7,8-dihydroxy-1-phenyl-1H-3-benzazepine; 3,4-Dihydroxyphenylacetic Acid; Animals; Antiparkinson Agents; Brain; Brain Chemistry; Bromocriptine; Dopamine; Female; Homovanillic Acid; Kinetics; Levodopa; Macaca fascicularis; Motor Activity; MPTP Poisoning; Parkinson Disease, Secondary; Receptors, Dopamine; Spiperone	1990
Long-term effects of MPTP on central and peripheral catecholamine and indoleamine concentrations in monkeys. Brain research, 1986, Aug-06, Volume: 379, Issue:2 Topics: 1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine; 3,4-Dihydroxyphenylacetic Acid; Animals; Biogenic Amines; Brain; Bromocriptine; Catecholamines; Chromatography, High Pressure Liquid; Female; Homovanillic Acid; Hydroxyindoleacetic Acid; Levodopa; Macaca fascicularis; Parkinson Disease, Secondary; Prolactin; Pyridines	1986
Repeated stimulation of D-1 dopamine receptors increases the circling response to bromocriptine in rats with a 6-OHDA lesion. European journal of pharmacology, 1988, Nov-22, Volume: 157, Issue:2-3 Topics: 2,3,4,5-Tetrahydro-7,8-dihydroxy-1-phenyl-1H-3-benzazepine; 3,4-Dihydroxyphenylacetic Acid; Animals; Appetite Depressants; Benzazepines; Bromocriptine; Corpus Striatum; Dopamine; Female; Homovanillic Acid; Hydroxydopamines; Locomotion; Oxidopamine; Rats; Rats, Inbred Strains; Receptors, Dopamine; Receptors, Dopamine D1; Receptors, Dopamine D2; Substantia Nigra	1988
Neuroendocrine aspects in monitoring of dopaminergic drugs in man. Methods and findings in experimental and clinical pharmacology, 1985, Volume: 7, Issue:8 Topics: Apomorphine; Bromocriptine; Growth Hormone; Homovanillic Acid; Humans; Levodopa; Male; Metoclopramide; Monitoring, Physiologic; Neurosecretory Systems; Prolactin; Receptors, Dopamine; Schizophrenia; Selegiline; Time Factors	1985
Neuroleptic malignant syndrome: successful treatment with bromocriptine. Biological psychiatry, 1985, Volume: 20, Issue:6 Topics: Adolescent; Basal Ganglia Diseases; Bromocriptine; Creatine Kinase; Haloperidol; Homovanillic Acid; Humans; Male; Neuroleptic Malignant Syndrome; Paranoid Disorders; Prolactin; Transaminases	1985
Adaptive changes of the striatal dopamine system induced by repeated administration of neuroleptics and ergot derivatives. Advances in biochemical psychopharmacology, 1980, Volume: 24 Topics: Animals; Antipsychotic Agents; Bromocriptine; Corpus Striatum; Dibenzothiazepines; Dopamine; Ergot Alkaloids; Haloperidol; Homovanillic Acid; Radioligand Assay; Rats	1980
[Cerebrospinal HVA and 5-HIAA in patients with endogenous depression in the course of treatment]. Schweizer Archiv fur Neurologie, Neurochirurgie und Psychiatrie = Archives suisses de neurologie, neurochirurgie et de psychiatrie, 1980, Volume: 126, Issue:1 Topics: Adult; Aged; Antidepressive Agents, Tricyclic; Bromocriptine; Depressive Disorder; Electroconvulsive Therapy; Female; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Male; Middle Aged; Phenylacetates; Trazodone	1980
Bromocriptine treatment of depressive disorders. Clinical and biochemical effects. Acta psychiatrica Scandinavica, 1981, Volume: 64, Issue:1 Topics: Adult; Aged; Bromocriptine; Depressive Disorder; Female; Homovanillic Acid; Humans; Hydroxyindoleacetic Acid; Male; Methoxyhydroxyphenylglycol; Middle Aged; Psychiatric Status Rating Scales	1981
[Therapy of Huntington's chorea: a pharmacological and clinical approach to the organization of the basal ganglia]. La Clinica terapeutica, 1980, Aug-15, Volume: 94, Issue:3 Topics: Adult; Aged; Baclofen; Basal Ganglia; Behavior; Biperiden; Bromocriptine; Female; Fluphenazine; Homovanillic Acid; Humans; Huntington Disease; Male; Middle Aged; Receptors, Dopamine	1980
Low-dose apomorphine and bromocriptine in neuroleptic-induced movement disorders. Biological psychiatry, 1983, Volume: 18, Issue:9 Topics: Adult; Apomorphine; Bromocriptine; Dyskinesia, Drug-Induced; Female; Homovanillic Acid; Humans; Male	1983
A comparison of the potencies of various dopamine receptor agonists in models for pre- and postsynaptic receptor activity. Naunyn-Schmiedeberg's archives of pharmacology, 1983, Volume: 324, Issue:2 Topics: 3,4-Dihydroxyphenylacetic Acid; 4-Butyrolactone; Animals; Behavior, Animal; Bromocriptine; Dopamine; Ergolines; Homovanillic Acid; Models, Neurological; Motor Activity; Pergolide; Rats; Rats, Inbred Strains; Receptors, Dopamine	1983
Influence of dopamine agonists on plasma and brain levels of homovanillic acid. Life sciences, 1982, Jun-14, Volume: 30, Issue:24 Topics: Animals; Apomorphine; Brain Chemistry; Bromocriptine; Debrisoquin; Dopamine; Homovanillic Acid; Male; Phenylacetates; Rats; Rats, Inbred Strains	1982
Low and high dose bromocriptine have different effects on striatal dopamine release: an in vivo study. Journal of neural transmission. Parkinson's disease and dementia section, 1993, Volume: 6, Issue:2 Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Bromocriptine; Dopamine; Dose-Response Relationship, Drug; Extracellular Space; Homovanillic Acid; Hydroxyindoleacetic Acid; Male; Microdialysis; Neostriatum; Rats; Rats, Sprague-Dawley	1993
Dopamine receptor affinities in vitro and neurochemical effects in vivo of pergolide and its metabolites. Arzneimittel-Forschung, 1993, Volume: 43, Issue:4 Topics: 3,4-Dihydroxyphenylacetic Acid; Acetylcholine; Animals; Binding, Competitive; Brain Chemistry; Bromocriptine; Cattle; Corpus Striatum; Dopamine; Hippocampus; Homovanillic Acid; Hydroxyindoleacetic Acid; In Vitro Techniques; Membranes; Pergolide; Radioligand Assay; Receptors, Dopamine; Receptors, Dopamine D2	1993
Changes in brain catecholamine metabolism during bromocriptine treatment in polycystic ovary syndrome. Hormone research, 1993, Volume: 39, Issue:5-6 Topics: 3,4-Dihydroxyphenylacetic Acid; Adult; Brain; Bromocriptine; Catecholamines; Dopamine; Female; Gonadal Steroid Hormones; Homovanillic Acid; Humans; Methoxyhydroxyphenylglycol; Pituitary Hormones; Polycystic Ovary Syndrome; Pregnancy	1993
Effect of adding the D1 agonist CY 208-243 to chronic bromocriptine treatment. I: Evaluation of motor parameters in relation to striatal catecholamine content and dopamine receptors. Movement disorders : official journal of the Movement Disorder Society, 1993, Volume: 8, Issue:2 Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Antiparkinson Agents; Bromocriptine; Corpus Striatum; Dopamine; Dose-Response Relationship, Drug; Drug Therapy, Combination; Homovanillic Acid; Indoles; Locomotion; Macaca fascicularis; Motor Skills; Neurologic Examination; Parkinson Disease, Secondary; Phenanthridines; Psychomotor Performance; Receptors, Dopamine; Receptors, Dopamine D1	1993
Differential regional and kinetics effects of piribedil and bromocriptine on dopamine metabolites: a brain microdialysis study in freely moving rats. Journal of neural transmission. General section, 1995, Volume: 101, Issue:1-3 Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Brain Chemistry; Bromocriptine; Dopamine; Dopamine Agonists; Homovanillic Acid; Injections, Intraperitoneal; Kinetics; Male; Microdialysis; Neostriatum; Nucleus Accumbens; Piribedil; Prefrontal Cortex; Rats; Rats, Sprague-Dawley	1995
Inhibitory effects of talipexole and pramipexole on MPTP-induced dopamine reduction in the striatum of C57BL/6N mice. Japanese journal of pharmacology, 1997, Volume: 74, Issue:1 Topics: 1-Methyl-4-phenyl-1,2,3,6-tetrahydropyridine; 1-Methyl-4-phenylpyridinium; 3,4-Dihydroxyphenylacetic Acid; Animals; Azepines; Benzothiazoles; Bromocriptine; Dopamine; Dopamine Agents; Dopamine Agonists; Homovanillic Acid; In Vitro Techniques; Injections, Intraperitoneal; Male; Mice; Mice, Inbred C57BL; Neostriatum; Pramipexole; Synaptosomes; Thiazoles	1997
Bromocriptine enhances feeding behavior without changing dopamine metabolism. Pharmacology, biochemistry, and behavior, 1997, Volume: 58, Issue:1 Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Brain Chemistry; Bromocriptine; Chromatography, High Pressure Liquid; Dopamine; Dopamine Agonists; Dopamine Antagonists; Eating; Extracellular Space; Female; Homovanillic Acid; Microdialysis; Microinjections; Neostriatum; Rats; Rats, Wistar; Receptors, Dopamine D2; Stimulation, Chemical; Sulpiride	1997
Bromocriptine reduces obesity, glucose intolerance and extracellular monoamine metabolite levels in the ventromedial hypothalamus of Syrian hamsters. Neuroendocrinology, 1998, Volume: 68, Issue:1 Topics: Adipose Tissue; Animals; Biogenic Monoamines; Body Composition; Bromocriptine; Chromatography, High Pressure Liquid; Circadian Rhythm; Cricetinae; Dopamine; Glucose Intolerance; Homovanillic Acid; Hydroxyindoleacetic Acid; Hypothalamus, Middle; Insulin Resistance; Male; Methoxyhydroxyphenylglycol; Microdialysis; Obesity; Serotonin	1998
Bromocriptine markedly suppresses levodopa-induced abnormal increase of dopamine turnover in the parkinsonian striatum. Neurochemical research, 2000, Volume: 25, Issue:6 Topics: 3,4-Dihydroxyphenylacetic Acid; Animals; Bromocriptine; Corpus Striatum; Dopamine; Homovanillic Acid; Levodopa; Male; Parkinson Disease; Rats; Rats, Sprague-Dawley	2000
Modification of inherent and drug-induced dopaminergic activity after exposure to benzo(alpha)pyrene. Neurotoxicology, 2007, Volume: 28, Issue:4 Topics: 3,4-Dihydroxyphenylacetic Acid; Analysis of Variance; Animals; Benzo(a)pyrene; Brain; Brain Chemistry; Bromocriptine; Dopamine; Dopamine Agents; Drug Interactions; Homovanillic Acid; Male; Radioligand Assay; Rats; Rats, Wistar; Sulpiride	2007