A failure to support cross-sensitization between effects of apomorphine and lesions of the habenula nucleus
An interchangeability between the effects of stress and psychostimulants has been reported. The possible common physiological effects of lesions of the habenula, stress and psychostimulant administration of activation of ascending dopamine systems suggested examination of a cross-sensitization betwe...
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Veröffentlicht in: | Pharmacology, biochemistry and behavior biochemistry and behavior, 1989, Vol.32 (1), p.77-81 |
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creator | THORNTON, E. W BRADBURY, G. E EVANS, J. A. C WICKENS, A |
description | An interchangeability between the effects of stress and psychostimulants has been reported. The possible common physiological effects of lesions of the habenula, stress and psychostimulant administration of activation of ascending dopamine systems suggested examination of a cross-sensitization between lesions of the habenula and psychostimulant administration. Lesions of the habenula were found to increase baseline activity but there were no significant changes in response to apomorphine in either various categories of stereotypy or locomotor response. Lesioned rats and controls both demonstrated similar dose and time-related effects in various response measures. Although not significant, certain results suggested that changes tended to be in the direction opposite to that of the suggested sensitization. The results are contrasted with previous supporting data and discussed in terms of the potentially diverse manner in which habenular manipulation and psychostimulants may influence dopaminergic activity and subsequent behaviour. |
doi_str_mv | 10.1016/0091-3057(89)90213-X |
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W ; BRADBURY, G. E ; EVANS, J. A. C ; WICKENS, A</creator><creatorcontrib>THORNTON, E. W ; BRADBURY, G. E ; EVANS, J. A. C ; WICKENS, A</creatorcontrib><description>An interchangeability between the effects of stress and psychostimulants has been reported. The possible common physiological effects of lesions of the habenula, stress and psychostimulant administration of activation of ascending dopamine systems suggested examination of a cross-sensitization between lesions of the habenula and psychostimulant administration. Lesions of the habenula were found to increase baseline activity but there were no significant changes in response to apomorphine in either various categories of stereotypy or locomotor response. Lesioned rats and controls both demonstrated similar dose and time-related effects in various response measures. Although not significant, certain results suggested that changes tended to be in the direction opposite to that of the suggested sensitization. The results are contrasted with previous supporting data and discussed in terms of the potentially diverse manner in which habenular manipulation and psychostimulants may influence dopaminergic activity and subsequent behaviour.</description><identifier>ISSN: 0091-3057</identifier><identifier>EISSN: 1873-5177</identifier><identifier>DOI: 10.1016/0091-3057(89)90213-X</identifier><identifier>PMID: 2734353</identifier><identifier>CODEN: PBBHAU</identifier><language>eng</language><publisher>New York, NY: Elsevier Science</publisher><subject>Animals ; Apomorphine - pharmacology ; Biological and medical sciences ; Brain - drug effects ; Brain - physiopathology ; Catecholaminergic system ; Male ; Medical sciences ; Motor Activity - drug effects ; Neuropharmacology ; Neurotransmitters. Neurotransmission. Receptors ; Pharmacology. 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C</creatorcontrib><creatorcontrib>WICKENS, A</creatorcontrib><title>A failure to support cross-sensitization between effects of apomorphine and lesions of the habenula nucleus</title><title>Pharmacology, biochemistry and behavior</title><addtitle>Pharmacol Biochem Behav</addtitle><description>An interchangeability between the effects of stress and psychostimulants has been reported. The possible common physiological effects of lesions of the habenula, stress and psychostimulant administration of activation of ascending dopamine systems suggested examination of a cross-sensitization between lesions of the habenula and psychostimulant administration. Lesions of the habenula were found to increase baseline activity but there were no significant changes in response to apomorphine in either various categories of stereotypy or locomotor response. Lesioned rats and controls both demonstrated similar dose and time-related effects in various response measures. Although not significant, certain results suggested that changes tended to be in the direction opposite to that of the suggested sensitization. The results are contrasted with previous supporting data and discussed in terms of the potentially diverse manner in which habenular manipulation and psychostimulants may influence dopaminergic activity and subsequent behaviour.</description><subject>Animals</subject><subject>Apomorphine - pharmacology</subject><subject>Biological and medical sciences</subject><subject>Brain - drug effects</subject><subject>Brain - physiopathology</subject><subject>Catecholaminergic system</subject><subject>Male</subject><subject>Medical sciences</subject><subject>Motor Activity - drug effects</subject><subject>Neuropharmacology</subject><subject>Neurotransmitters. Neurotransmission. Receptors</subject><subject>Pharmacology. Drug treatments</subject><subject>Rats</subject><subject>Stereotyped Behavior - drug effects</subject><subject>Stress, Physiological - physiopathology</subject><issn>0091-3057</issn><issn>1873-5177</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1989</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqF0E1LxDAQgOEgyrqu_gOFHET0UJ00TZMcl8UvWPCi4G3JNhO22ia1SRH99S5a9uppDu_DMAwhpwyuGbDyBkCzjIOQl0pfacgZz173yJQpyTPBpNwn0x05JEcxvgFAkZdyQia55AUXfEre59SZuhl6pCnQOHRd6BOt-hBjFtHHOtXfJtXB0zWmT0RP0TmsUqTBUdOFNvTdpvZIjbe0wbiVvyltkG7MGv3QGOqHqsEhHpMDZ5qIJ-OckZe72-fFQ7Z8un9czJdZx7RKmTBS5MoUAFZouz1eQFlaraS1yEChEVpa5izPQUunipxJo9BZVSJUQmg-Ixd_e7s-fAwY06qtY4VNYzyGIa6kBg5KqX8hEzkwBeUWno1wWLdoV11ft6b_Wo1v3PbzsZtYmcb1xld13LGyzAvOgP8A-wSChg</recordid><startdate>1989</startdate><enddate>1989</enddate><creator>THORNTON, E. W</creator><creator>BRADBURY, G. E</creator><creator>EVANS, J. A. 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C ; WICKENS, A</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p198t-5a7528a400d59d0575066d987dde108ea597d1fd32097f84217a8efd86e0c5593</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1989</creationdate><topic>Animals</topic><topic>Apomorphine - pharmacology</topic><topic>Biological and medical sciences</topic><topic>Brain - drug effects</topic><topic>Brain - physiopathology</topic><topic>Catecholaminergic system</topic><topic>Male</topic><topic>Medical sciences</topic><topic>Motor Activity - drug effects</topic><topic>Neuropharmacology</topic><topic>Neurotransmitters. Neurotransmission. Receptors</topic><topic>Pharmacology. Drug treatments</topic><topic>Rats</topic><topic>Stereotyped Behavior - drug effects</topic><topic>Stress, Physiological - physiopathology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>THORNTON, E. W</creatorcontrib><creatorcontrib>BRADBURY, G. E</creatorcontrib><creatorcontrib>EVANS, J. A. C</creatorcontrib><creatorcontrib>WICKENS, A</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>Animal Behavior Abstracts</collection><collection>Neurosciences Abstracts</collection><collection>MEDLINE - Academic</collection><jtitle>Pharmacology, biochemistry and behavior</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>THORNTON, E. W</au><au>BRADBURY, G. E</au><au>EVANS, J. A. 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Lesions of the habenula were found to increase baseline activity but there were no significant changes in response to apomorphine in either various categories of stereotypy or locomotor response. Lesioned rats and controls both demonstrated similar dose and time-related effects in various response measures. Although not significant, certain results suggested that changes tended to be in the direction opposite to that of the suggested sensitization. The results are contrasted with previous supporting data and discussed in terms of the potentially diverse manner in which habenular manipulation and psychostimulants may influence dopaminergic activity and subsequent behaviour.</abstract><cop>New York, NY</cop><pub>Elsevier Science</pub><pmid>2734353</pmid><doi>10.1016/0091-3057(89)90213-X</doi><tpages>5</tpages></addata></record> |
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subjects | Animals Apomorphine - pharmacology Biological and medical sciences Brain - drug effects Brain - physiopathology Catecholaminergic system Male Medical sciences Motor Activity - drug effects Neuropharmacology Neurotransmitters. Neurotransmission. Receptors Pharmacology. Drug treatments Rats Stereotyped Behavior - drug effects Stress, Physiological - physiopathology |
title | A failure to support cross-sensitization between effects of apomorphine and lesions of the habenula nucleus |
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