Effects of ovariectomy and hormone replacement of DRL behavior in the rat
Fifty-two female rats were sham-operated or ovariectomized. Groups of ovariectomized animals were sham-implanted or implanted with estradiol, progesterone or a combination of estrogen and progesterone. Assays were conducted to determine serum hormone concentrations. Animals were trained on a DRL-20...
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| Veröffentlicht in: | Physiology & behavior 1978-04, Vol.20 (4), p.477-480 |
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| container_title | Physiology & behavior |
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| creator | Lentz, Francis E. Pool, Gary L. Milner, Joel S. |
| description | Fifty-two female rats were sham-operated or ovariectomized. Groups of ovariectomized animals were sham-implanted or implanted with estradiol, progesterone or a combination of estrogen and progesterone. Assays were conducted to determine serum hormone concentrations. Animals were trained on a DRL-20 schedule for 30 days. During DRL, ovariectomized animals showed an increased response rate relative to intact animals. However, DRL performance data indicated ovariectomized rats did not differ significantly from intact female rats or hormone replacement groups on measures of DRL efficiency or on the number of earned reinforcers. |
| doi_str_mv | 10.1016/0031-9384(78)90333-5 |
| format | Article |
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Groups of ovariectomized animals were sham-implanted or implanted with estradiol, progesterone or a combination of estrogen and progesterone. Assays were conducted to determine serum hormone concentrations. Animals were trained on a DRL-20 schedule for 30 days. During DRL, ovariectomized animals showed an increased response rate relative to intact animals. However, DRL performance data indicated ovariectomized rats did not differ significantly from intact female rats or hormone replacement groups on measures of DRL efficiency or on the number of earned reinforcers.</description><identifier>ISSN: 0031-9384</identifier><identifier>EISSN: 1873-507X</identifier><identifier>DOI: 10.1016/0031-9384(78)90333-5</identifier><identifier>PMID: 693619</identifier><language>eng</language><publisher>United States: Elsevier Inc</publisher><subject>Animals ; Castration ; Conditioning, Operant - drug effects ; Conditioning, Operant - physiology ; DRL ; Estradiol - pharmacology ; Estrogen ; Estrogens - physiology ; Feeding Behavior - drug effects ; Feeding Behavior - physiology ; Female ; Hormone replacement ; Ovariectomy ; Progesterone ; Progesterone - pharmacology ; Progesterone - physiology ; Rats ; Sex Factors</subject><ispartof>Physiology & behavior, 1978-04, Vol.20 (4), p.477-480</ispartof><rights>1978</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c356t-83a5128270d9bf2e68a101dec78f3ddee8d2d2730ecda6ab0406f6c7e86ad44c3</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/0031938478903335$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/693619$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Lentz, Francis E.</creatorcontrib><creatorcontrib>Pool, Gary L.</creatorcontrib><creatorcontrib>Milner, Joel S.</creatorcontrib><title>Effects of ovariectomy and hormone replacement of DRL behavior in the rat</title><title>Physiology & behavior</title><addtitle>Physiol Behav</addtitle><description>Fifty-two female rats were sham-operated or ovariectomized. 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Groups of ovariectomized animals were sham-implanted or implanted with estradiol, progesterone or a combination of estrogen and progesterone. Assays were conducted to determine serum hormone concentrations. Animals were trained on a DRL-20 schedule for 30 days. During DRL, ovariectomized animals showed an increased response rate relative to intact animals. However, DRL performance data indicated ovariectomized rats did not differ significantly from intact female rats or hormone replacement groups on measures of DRL efficiency or on the number of earned reinforcers.</abstract><cop>United States</cop><pub>Elsevier Inc</pub><pmid>693619</pmid><doi>10.1016/0031-9384(78)90333-5</doi><tpages>4</tpages></addata></record> |
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| ispartof | Physiology & behavior, 1978-04, Vol.20 (4), p.477-480 |
| issn | 0031-9384 1873-507X |
| language | eng |
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| source | MEDLINE; Elsevier ScienceDirect Journals |
| subjects | Animals Castration Conditioning, Operant - drug effects Conditioning, Operant - physiology DRL Estradiol - pharmacology Estrogen Estrogens - physiology Feeding Behavior - drug effects Feeding Behavior - physiology Female Hormone replacement Ovariectomy Progesterone Progesterone - pharmacology Progesterone - physiology Rats Sex Factors |
| title | Effects of ovariectomy and hormone replacement of DRL behavior in the rat |
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