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We had previously found that an age-related deficit in working memory appeared in middle-aged females, possibly related to their ageing reproductive system. This experiment investigates the effect of administering an analog of luteinizing hormone-releasing hormone (LHRH), D-Trp6-LHRH, to 22-mo-old female rats submitted to successive trainings in a(More)
Hypothalamic luteinizing hormone-releasing hormone (LH-RH) had been reported to induce changes in defensive learning. In middle age, females exhibit a decline in their reproductive axis. Several studies in rodents suggested that hypothalamic LHRH function deteriorated in middle-aged females. Our experiments compare T-maze learning in young and middle-aged(More)
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