Now showing items 21-30 of 43
A microdialysis study of ventral striatal dopamine during sexual behavior in female Syrian hamsters
(Elsevier, 1993-06-30)
Microdialysis was used to study the effects of exposure to a male hamster on extracellular concentrations of dopamine, dihydroxyphenylacetic acid (DOPAC), homovanillic acid (HVA), and 5-hydroxyindole acetic acid (5-HIAA) ...
Estrogen rapidly potentiates amphetamine-induced striatal dopamine release and rotational behavior during microdialysis
(Elsevier, 1990-10-16)
Ovariectomy (OVX) of female rats results in a decreased behavioral response to stimulation of the mesostriatal dopamine (DA) system and decreased striatal DA release in vitro. Estrogen replacement restores both behavioral ...
Bidirectional control of saccadic eye movements by the disconnected cerebral hemispheres
(Springer-Verlag, 1992-10)
The present investigation demonstrates that callosotomy patient J.W. can generate either leftward or rightward saccades in response to color cues presented unilaterally. When asked to name the colors, performance was at ...
Withdrawal from morphine or amphetamine: different effects on dopamine in the ventral-medial striatum studied with microdialysis
(Elsevier, 1994-07-04)
The effect of withdrawal from chronic morphine or amphetamine treatment on dopamine (DA) neurotransmission in the ventral-medial striatum was studied by use of in vivo microdialysis. There was no effect of 24 h of amphetamine ...
Direct effect of 17Β-estradiol on striatum: Sex differences in dopamine release
(Wiley Subscription Services, Inc., A Wiley Company, 1990)
The nigrostriatal dopamine (DA) system is sexually dimorphic. In female but not male rats, striatal DA activity is modulated by gonadal steroid hormones. Ovariectomy (OVX) decreases striatal DA release and turnover. Estrogen ...
Analgesic, anesthetic, and respiratory effects of the competitive (NMDA) antagonist CGS 19755 in rhesus monkeys
(Elsevier, 1990-09-03)
The competitive excitatory amino acid antagonist cis-4-phosphonomethyl-2-piperidine-carboxylic acid (CGS 19755) increased the latency for monkeys to remove their tails from warm water (analgesia); larger doses produced ...
Basal extracellular dopamine in the nucleus accumbens during amphetamine withdrawal: a `no net flux' microdialysis study
(Elsevier, 1993-12-24)
The basal extracellular concentration of dopamine in the nucleus accumbens was quantified using the `no net flux' microdialysis method, in rats undergoing withdrawal from -amphetamine. Rats were initially pretreated with ...
Mapping of globus pallidus and ventral pallidum lesions that produce hyperkinetic treading
(Elsevier, 1994-12-30)
The purpose of this study was to identify sites where striatopallidal lesions produce two distinct sensory-triggered hyperkinetic syndromes: (1) exaggerated forelimb treading alone to oral taste infusions and (2) sensorimotor ...
Effects of warning signals and fixation point offsets on the latencies of pro- versus antisaccades: implications for an interpretation of the gap effect
(Springer-Verlag, 1995-03)
The present study was designed to evaluate whether fixation point offsets have the same effects on the average latencies of prosaccades (responses towards target) and antisaccades (responses away from target). Gap and ...
Sex differences in the rapid and acute effects of estrogen on striatal D2 dopamine receptor binding
(Elsevier, 1994-02-21)
Regional changes in striatal D2 dopamine (DA) receptor binding in castrated (CAST) or ovariectomized (OVX) rats were investigated following administration of a low dose of estradiol benzoate (EB), repeated treatment with ...