Ibotenic acid lesions of the medial preoptic area disrupt the expression of partner preference in sexually receptive female rats. 2006

Fay A Guarraci, and Ann S Clark
Department of Psychological and Brain Sciences, Dartmouth College, Hanover, NH 03755, USA.

The present study evaluated the effects of ibotenic acid lesions of the medial preoptic area (mPOA) on the display of partner preference in ovariectomized, estrogen- and progesterone-primed rats. Preference for a sexually vigorous male or an estrous female rat was determined in one of two conditions: unlimited physical access to the stimulus rats (Contact condition) or access that was limited to olfactory, auditory and visual cues (No-contact condition). Lesions of the mPOA reduced the male preference, social preference, and arena crossings, independent of test condition. However, the reduction in male preference following mPOA lesions was most pronounced during tests with unlimited physical access. These results suggest that the mPOA may be involved in integrating somatosensory signals from coital stimulation with the motor responses associated with the appetitive aspects of female sexual behavior.

UI MeSH Term Description Entries
D007051 Ibotenic Acid A neurotoxic isoxazole (similar to KAINIC ACID and MUSCIMOL) found in AMANITA mushrooms. It causes motor depression, ataxia, and changes in mood, perceptions and feelings, and is a potent excitatory amino acid agonist. Acid, Ibotenic
D008297 Male Males
D010052 Ovariectomy The surgical removal of one or both ovaries. Castration, Female,Oophorectomy,Bilateral Ovariectomy,Bilateral Ovariectomies,Castrations, Female,Female Castration,Female Castrations,Oophorectomies,Ovariectomies,Ovariectomies, Bilateral,Ovariectomy, Bilateral
D011301 Preoptic Area Region of hypothalamus between the ANTERIOR COMMISSURE and OPTIC CHIASM. Area Preoptica,Lateral Preoptic Area,Medial Preoptic Area,Preoptic Nuclei,Area Preopticas,Area, Lateral Preoptic,Area, Medial Preoptic,Area, Preoptic,Areas, Lateral Preoptic,Areas, Medial Preoptic,Areas, Preoptic,Lateral Preoptic Areas,Medial Preoptic Areas,Nuclei, Preoptic,Nucleus, Preoptic,Preoptic Area, Lateral,Preoptic Area, Medial,Preoptic Areas,Preoptic Areas, Lateral,Preoptic Areas, Medial,Preoptic Nucleus,Preoptica, Area,Preopticas, Area
D002755 Choice Behavior The act of making a selection among two or more alternatives, usually after a period of deliberation. Approach Behavior,Approach Behaviors,Behavior, Approach,Behavior, Choice,Behaviors, Approach,Behaviors, Choice,Choice Behaviors
D005260 Female Females
D000704 Analysis of Variance A statistical technique that isolates and assesses the contributions of categorical independent variables to variation in the mean of a continuous dependent variable. ANOVA,Analysis, Variance,Variance Analysis,Analyses, Variance,Variance Analyses
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D001522 Behavior, Animal The observable response an animal makes to any situation. Autotomy Animal,Animal Behavior,Animal Behaviors
D012726 Sexual Behavior, Animal Sexual activities of animals. Mating Behavior, Animal,Sex Behavior, Animal,Animal Mating Behavior,Animal Mating Behaviors,Animal Sex Behavior,Animal Sex Behaviors,Animal Sexual Behavior,Animal Sexual Behaviors,Mating Behaviors, Animal,Sex Behaviors, Animal,Sexual Behaviors, Animal

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