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Journals and Conferences
Neonatal rats as young as 7 days of age learned, reversed, and retained a left-right discrimination with a nonlactating nipple as the incentive. These results have implications for the ontogeny of associative processes and for their neurological and neurochemical mediators.
To appreciate the contribution of oral and post-absorptive factors in the control of schedule-induced polydipsia (SIP), body fluid balance was determined at various times into the 4 hr session. Although dehydrated at the start of the session, rats quickly returned to normal balance which was maintained, despite excessive intake, by a brisk water diuresis.… (More)
Body fluid deviations were examined in albino rats of both genders between 30 and 100 days of age during food deprivation. Plasma volume declined with age in free-feeding control groups. Hypovolemia induced by starvation (4 days) was more intense in 30- to 60-day-old animals than in 80- and 100-day groups. Plasma ismolality concentration of control groups… (More)