MGs from controls or rats given PTU 0. The extent to which the mother displays MA is triggered by both extrinsic and intrinsic factors. J Abnorm Child Psychol Psychol Please click here to learn how. Immunohistochemical Analysis Single labeling of pERK was analyzed in ten brain areas as derived from the Paxinos rat brain atlas :
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Effects of hypothyroidism on mammary and liver lipid metabolism in virgin and late-pregnant rats
It is feasible that a mother needs to be less anxious in order to defend the offspring, especially when confronted with a threatening situation such as the presence of an intruder. For statistical analysis see Table 3. This is normal, but sometimes the baby can have engorgement. She explained that she did in fact breastfeed, just not in church. Campbell A Staying alive: Archer J Does sexual selection explain human sex differences in aggression? A simple method for the isolation and purification of total lipid from animal tissues.
In detail, while initially aiming to block OXT-R, the delay between treatment injection and behavioural testing might have caused increased OXT release [ 44 , ], which is known to enhance MA. Dramatic changes occur in the peripartum brain resulting in altered behaviour and emotionality of the mother. Our findings in rats are supported by a study in lactating hamsters, where repeated administration of OXT in the CeA enhances aggression towards a male intruder [ ]. When released into the periphery, OXT has essential reproductive functions in the peripartum period, i. The Female Intruder Test was adapted from the resident-intruder test RI-test in males as performed in our laboratory see  for a detailed description.