User profiles for Larry Stein

Larry Stein

- Verified email at uci.edu - Cited by 15039

Larry A. Stein

- Verified email at tamu.edu - Cited by 424

Enkephalin may mediate euphoria and drive-reduction reward

JD Belluzzi, L Stein - Nature, 1977 - nature.com
THE identification in brain of opiate receptors 1 and morphine-like pentapeptides (methionine-enkephalin
and leucine-enkephalin) 2 has led to suggestions that enkephalin receptors …

Benzodiazepines: anxiety-reducing activity by reduction of serotonin turnover in the brain

CD Wise, BD Berger, L Stein - Science, 1972 - science.org
The anxiety-reducing effects of minor tranquilizers in the rat conflict test were mimicked by
serotonin antagonists and by p-chlorophenylalanine, an inhibitor of serotonin synthesis; the …

Analgesia induced in vivo by central administration of enkephalin in rat

…, N Grant, V Garsky, D Sarantakis, CD Wise, L Stein - Nature, 1976 - nature.com
ENKEPHALIN, a natural opiate receptor agonist in brain 1–4 , has been identified by
Hughes et al. as a mixture of two pentapeptides : H–Tyr–Gly–Gly–Phe–Met–OH (methionine–…

Possible etiology of schizophrenia: Progressive damage to the noradrenergic reward system by 6-hydroxydopamine

L Stein, CD Wise - Science, 1971 - science.org
Single or repeated intraventricular injections of 6-hydroxydopamine caused marked and
long-lasting deficits in brain self-stimulation and other rewarded behaviors in the rat. The …

The distribution of enkephalin-immunoreactive cell bodies in the rat central nervous system

T Hökfelt, R Elde, O Johansson, L Terenius, L Stein - Neuroscience letters, 1977 - Elsevier
With the indirect immunofluorescence technique the distribution of methionine-enkephalin-immunoreactive
cell bodies was studied in the central nervous system of rats pretreated with …

The D1 agonists SKF 82958 and SKF 77434 are self-administered by rats

DW Self, L Stein - Brain research, 1992 - Elsevier
The reported failure of the prototypical (but partial) D 1 agonist SKF 38393 to support self-administration
behavior contradicts hypotheses of D 1 -mediated reinforcement. Here we …

Release of norepinephrine from hypothalamus and amygdala by rewarding medial forebrain bundle stimulation and amphetamine.

L Stein, CD Wise - Journal of comparative and physiological …, 1969 - psycnet.apa.org
The hypothalamus and amygdala of 76 unanesthetized rats were perfused with Locke's
solution through a permanently indwelling push-pull cannula after intraventricular injection of a …

Dopamine-β-hydroxylase deficits in the brains of schizophrenic patients

CD Wise, L Stein - Science, 1973 - science.org
Postmortem brain specimens from 18 schizophrenic patients and 12 normal controls were
assayed for dopamine-β-hydroxylase (DBH), the enzyme responsible for the final step in …

Effects and interactions of imipramine, chlorpromazine, reserpine and amphetamine on self-stimulation: possible neurophysiological basis of depression

L Stein, HE Himwich - Recent Advances in Biological Psychiatry: Volume …, 1962 - Springer
Neural theorizing about the affective disorders has been given substance by recent
discoveries of brain systems for positive and negative reinforcement. Brain loci for negative …

Some effects of two temporal variables on conditioned suppression

L Stein, M Sidman, JV Brady - Journal of the Experimental Analysis …, 1958 - ncbi.nlm.nih.gov
METHOD Subjects Five male albino rats, approximately 90 days old at the start of the
experiment. Apparatus The experimental space was a metal chamber with a lever in one wall, …