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Table of Contents
Vol. 16, No. 5, 1978
Issue release date: 1978
Section title: Paper
Pharmacology 1978;16:259–267
(DOI:10.1159/000136777)

Evaluation of Psychotropic Drugs with a Modified Open Field Test

Cunha J.M. · Masur J.
Departamento di Psicobiologia, Escola Paulista de Medicina, Såo Paulo

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Article / Publication Details

First-Page Preview
Abstract of Paper

Received: 3/22/1977
Published online: 5/29/2008

Number of Print Pages: 9
Number of Figures: 0
Number of Tables: 0

ISSN: 0031-7012 (Print)
eISSN: 1423-0313 (Online)

For additional information: http://www.karger.com/PHA

Abstract

The open field test used to study the behavioral alterations induced by psychotropic drugs is based mainly in the defecation, ambulation, rearing and grooming scores presented by animals subjected to the test. Because of the criticisms raised against the defecation score as a measure of the central effects of drugs, in the present experiment a modification of the test is proposed for the rat. The main points that characterize the new procedure are: (1) defecation scores are not considered; (2) besides ambulation, rearing and grooming, immobility was also recorded; (3) the total time of observation was increased, and (4) the stimuli, usually presented simultaneously in the open field (light and noise), were presented separately. The results obtained suggest that it is possible to differentiate classes of psychotropic drugs, without taking the defecation and grooming scores into consideration. Besides stimulants that evoked a characteristic pattern of behavior, neuroleptics could be differentiated from anxiolytics. Similarities, according to the dose, between barbiturates and anxiolytics were detected. Under LSD a peculiar pattern of behavior characterized by a large reactivity to light was observed.


Article / Publication Details

First-Page Preview
Abstract of Paper

Received: 3/22/1977
Published online: 5/29/2008

Number of Print Pages: 9
Number of Figures: 0
Number of Tables: 0

ISSN: 0031-7012 (Print)
eISSN: 1423-0313 (Online)

For additional information: http://www.karger.com/PHA


Copyright / Drug Dosage

Copyright: All rights reserved. No part of this publication may be translated into other languages, reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying, recording, microcopying, or by any information storage and retrieval system, without permission in writing from the publisher or, in the case of photocopying, direct payment of a specified fee to the Copyright Clearance Center.
Drug Dosage: The authors and the publisher have exerted every effort to ensure that drug selection and dosage set forth in this text are in accord with current recommendations and practice at the time of publication. However, in view of ongoing research, changes in goverment regulations, and the constant flow of information relating to drug therapy and drug reactions, the reader is urged to check the package insert for each drug for any changes in indications and dosage and for added warnings and precautions. This is particularly important when the recommended agent is a new and/or infrequently employed drug.
Disclaimer: The statements, opinions and data contained in this publication are solely those of the individual authors and contributors and not of the publishers and the editor(s). The appearance of advertisements or/and product references in the publication is not a warranty, endorsement, or approval of the products or services advertised or of their effectiveness, quality or safety. The publisher and the editor(s) disclaim responsibility for any injury to persons or property resulting from any ideas, methods, instructions or products referred to in the content or advertisements.