Catechol-O-methyltransferase Val-108/158-Met gene variants associated with performance on the Wisconsin Card Sorting Test

R Joober, J Gauthier, S Lal, D Bloom… - Archives of General …, 2002 - jamanetwork.com
chic anxiety, panic attacks) that often occur in depressed patients. 1-3 Enhancement of both
noradrenergic and serotonergic transmission through autoreceptor and-heteroreceptor …

Nicotine and behavioral markers of risk for schizophrenia: a double-blind, placebo-controlled, cross-over study

…, V Atkinson, JX Thavundayil, NNY Kin, S Lal - …, 2002 - Elsevier
We investigated the effect of nicotine on three behavioral markers of risk for schizophrenia:
sustained attention (using the Continuous Performance Task (CPT)), antisaccade …

Cognitive and clinical moderators of recognition memory in schizophrenia: a meta-analysis

M Pelletier, AM Achim, A Montoya, S Lal… - Schizophrenia research, 2005 - Elsevier
Recognition memory performance in schizophrenia has been shown to vary greatly across
studies. To identify the conditions under which recognition memory is significantly impaired, …

T102C polymorphism in the 5HT2A gene and schizophrenia: relation to phenotype and drug response variability.

…, K Brisebois, A Toulouse, G Turecki, S Lal… - Journal of Psychiatry …, 1999 - ncbi.nlm.nih.gov
Although genes play a major role in the etiology of schizophrenia, no major genes involved
in this disease have been identified. However, several genes with small effect have been …

Functional neuroanatomy of smooth pursuit and predictive saccades

…, ALV Wolff, C Benkelfat, PS Florencio, S Lal… - …, 2000 - journals.lww.com
We used PET to study differences in cerebral blood flow (CBF) in smooth pursuit, predictive
saccades and fixation. Eye movements were monitored in the scanner. Compared with …

Effect of clonidine on growth hormone, prolactin, luteinizing hormone, follicle-stimulating hormone, and thyroid-stimulating hormone in the serum of normal men

S LAL, G TOLIS, JB MARTIN… - The Journal of …, 1975 - academic.oup.com
Clonidine (0.15 mg iv), a selective noradrenergic receptor agonist, increased serum growth
hormone (GH) levels (>6 ng/ml) on 8 out of 12 administrations to 6 normal men. This …

Nicotine exposure and tardive dyskinesia

R Yassa, S Lal, A Korpassy, J Ally - Biological psychiatry, 1987 - Elsevier
The prevalence of tardive dyskinesia (TD) in chronic psychiatric outpatients was significantly
higher in smokers ( 46 85 ) than in nonsmokers ( 18 69 ) (p < 0.001). This increased …

Effect of acute and chronic neuroleptic therapy on serum prolactin levels in men and women of different age groups

JL DE RIVERA, S LAL, P ETTIGI… - Clinical …, 1976 - Wiley Online Library
A single fasting level of serum prolactin was measured in each of sixty control subjects and
eighty‐three psychiatric patients of both sexes who had been on neuroleptic therapy for 2‐4 …

Neuropsychological impairments in neuroleptic-responder vs.-nonresponder schizophrenic patients and healthy volunteers

R Joober, GA Rouleau, S Lal, M Dixon… - Schizophrenia …, 2002 - Elsevier
To determine whether two groups of schizophrenic patients representing the two extremes
of the neuroleptic response-spectrum (consistent responders vs. consistent nonresponders) …

Apomorphine in the evaluation of dopaminergic function in man

S Lal - Progress in neuro-psychopharmacology and biological …, 1988 - Elsevier
… Author links open overlay panel Samarthji LalLal, Samarthji: Apomorphine in the evaluation
of dopaminergic function in man. Prog. Neuro-Psychopharmacol. … Lal, L. Richardson …