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Fathers who believe that the paternal caregiving role is important are only more likely to have securely attached infants in the case of very fussy infants. [9] The authors of this study suggest that the reason that this finding is limited to fussy infants could be because difficult children may be more susceptible to both the positive and the ...
An avunculate marriage is a marriage with a parent's sibling or with one's sibling's child—i.e., between an uncle or aunt and their niece or nephew.Such a marriage may occur between biological (consanguine) relatives or between persons related by marriage ().
Less is known about the paternal brain, but changes in the father's brain occur alongside the mother. [1] Research on this topic is continuing to expand as more researchers examine fathers. Many of the brain regions and networks responsible for parental behavior are responsible for parental behavior in human fathers after having a child. [10]
Increased levels of prolactin in the paternal brain has also been correlated with a more positive response to the infant's cry. Experienced fathers of newborns show a significantly greater increase in prolactin after hearing their baby's cries or holding their babies than first-time fathers, suggesting that learning is important for males to ...
Anthropologists classify most family organizations as matrifocal (a mother and her children), patrifocal (a father and his children), conjugal (a married couple with children, also called the nuclear family), avuncular (a man, his sister, and her children), or extended (in addition to parents, spouse and children, may include grandparents ...
As the basic unit for raising children, Anthropologists most generally classify family organization as matrifocal (a mother and her children); conjugal (a husband, his wife, and children; also called nuclear family); avuncular (a brother, his sister, and her children); or extended family in which parents and children co-reside with other ...
Compared with a paternal age of 25–28 years as a reference group, the odds ratio for low birthweight was approximately 1.1 at a paternal age of 20 and approximately 1.2 at a paternal age of 50. [17] There was no association of paternal age with preterm births or with small for gestational age births. [17]
The Paternal Care hypothesis: Paternal care and investment will be designated to biological offspring, increasing the infant's chance of survival, and therefore increasing the male's own fitness. [ 33 ] [ 27 ] This hypothesis requires the on male to use recognition and behavioural cues to distinguish their own offspring from other infants. [ 29 ]