NEUR 3304 Lecture Notes - Lecture 5: Temperate Climate, Olfactory Bulb, Preoptic Area
23 Nov 2016
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Document Summary
In mammals one of the most pronounced sex differences is in parental care. Inequality in the number of receptive individuals of the two sexes leads to competition for mates within one sex, while the other sex can be choosy. Some species provide little to no parental care (ex. Biparental care is common in birds: domestic white pigeon feeds chicks crop milk. Plasma prolactin, crop development, crop contents, and parental food intake are related in ring doves. Generalized endocrine profile of north temperate zone birds. In general, patterns of maternal care depend on: Extent and nature of parental care depends on the development of the offspring and the ecology of the species. Maternal behaviour in marsupials: take care of young with different requirements at the same time. Many tasks of mammalian motherhood: maintaining reproductive capability, maintain fetal environment. Hormones change, start releasing more hormones, increase in maternal behaviour.
