Time course of the effects of diazepam and lorazepam on perceptual priming and explicit memory. 1995

F Legrand, and P Vidailhet, and J M Danion, and D Grangé, and A Giersch, and M Van der Linden, and J L Imbs
INSERM Unité 405, Département de Psychiatrie, Hôpitaux Universitaires, Strasbourg, France.

The effects of diazepam and lorazepam on explicit memory and perceptual priming were studied 50, 130 and 300 min after drug administration. Sixty healthy volunteers were randomly assigned to one of five parallel groups (placebo, diazepam 0.2 or 0.3 mg/kg, lorazepam 0.026 or 0.038 mg/kg). The corresponding doses of benzodiazepines exerted a similar negative effect on explicit performance. Lorazepam markedly impaired priming performance, whereas the effect of diazepam was intermediate between that of placebo and that of lorazepam 0.038 mg/kg. The impairment was maximal at the theoretical peak plasma concentration. Contamination by explicit memory could account for the decrease in priming performance observed in the diazepam groups.

UI MeSH Term Description Entries
D008140 Lorazepam A benzodiazepine used as an anti-anxiety agent with few side effects. It also has hypnotic, anticonvulsant, and considerable sedative properties and has been proposed as a preanesthetic agent. Apo-Lorazepam,Ativan,Donix,Duralozam,Durazolam,Idalprem,Laubeel,Lorazep Von Ct,Lorazepam Medical,Lorazepam-Neuraxpharm,Lorazepam-Ratiopharm,Novo-Lorazem,Nu-Loraz,Orfidal Wyeth,Sedicepan,Sinestron,Somagerol,Temesta,Tolid,Témesta,WY-4036,Apo Lorazepam,Lorazepam Neuraxpharm,Lorazepam Ratiopharm,Medical, Lorazepam,Novo Lorazem,Nu Loraz,Von Ct, Lorazep,WY 4036,WY4036,Wyeth, Orfidal
D008568 Memory Complex mental function having four distinct phases: (1) memorizing or learning, (2) retention, (3) recall, and (4) recognition. Clinically, it is usually subdivided into immediate, recent, and remote memory.
D010465 Perception The process by which the nature and meaning of sensory stimuli are recognized and interpreted. Sensory Processing,Processing, Sensory
D011939 Mental Recall The process whereby a representation of past experience is elicited. Recall, Mental
D003975 Diazepam A benzodiazepine with anticonvulsant, anxiolytic, sedative, muscle relaxant, and amnesic properties and a long duration of action. Its actions are mediated by enhancement of GAMMA-AMINOBUTYRIC ACID activity. 7-Chloro-1,3-dihydro-1-methyl-5-phenyl-2H-1,4-benzodiazepin-2-one,Apaurin,Diazemuls,Faustan,Relanium,Seduxen,Sibazon,Stesolid,Valium
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D013647 Task Performance and Analysis The detailed examination of observable activity or behavior associated with the execution or completion of a required function or unit of work. Critical Incident Technique,Critical Incident Technic,Task Performance,Task Performance, Analysis,Critical Incident Technics,Critical Incident Techniques,Incident Technic, Critical,Incident Technics, Critical,Incident Technique, Critical,Incident Techniques, Critical,Performance, Analysis Task,Performance, Task,Performances, Analysis Task,Performances, Task,Task Performances,Task Performances, Analysis,Technic, Critical Incident,Technics, Critical Incident,Technique, Critical Incident,Techniques, Critical Incident
D013997 Time Factors Elements of limited time intervals, contributing to particular results or situations. Time Series,Factor, Time,Time Factor

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