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The first adoption study on schizophrenia published in 1966 by Leonard Heston demonstrated that the biological children of parents with schizophrenia were just as likely to develop schizophrenia whether they were reared by their parents or adopted [5] and was essential in establishing schizophrenia as being largely genetic instead of being a result of child rearing methods.
Obama family portrait, 2011. A person's biological parents are the persons from whom the individual inherits their genes.The term is generally only used if there is a need to distinguish an individual's foster parents from their biological parents, For example, an individual whose father has remarried may call the father's new wife their stepmother and continue to refer to their mother ...
In evolutionary psychology, the Cinderella effect describes the phenomenon of a higher incidence of child abuse and mistreatment by stepparents than biological parents. It takes its name from the fairy tale character Cinderella, a girl who is mistreated by her stepmother and stepsisters.
Behavioural genetics, also referred to as behaviour genetics, is a field of scientific research that uses genetic methods to investigate the nature and origins of individual differences in behaviour.
Heredity, also called inheritance or biological inheritance, is the passing on of traits from parents to their offspring; either through asexual reproduction or sexual reproduction, the offspring cells or organisms acquire the genetic information of their parents.
The Search for the Beloved: A Clinical Investigation of the Trauma of Birth and Prenatal Condition, New Hyde Park, NY: University Books; Hepper, P. G. (1991). An examination of fetal learning before and after birth. In: Irish Journal of Psychology, 12, S. 95–107; Hepper, P. G. (1994). The beginnings of the mind: evidence from the behaviour of ...
The effect of having a partially absent biological father with a stepfather absence and the effect of both stepfather or biological father's absence is the same. This study indicated that the presence of a stepfather is not compensating for the disadvantages of a biological father being absent.
Alloparental care has many benefits for the young as well as the biological parents of the young. It occurs when there is a high energetic command of the biological parents and the group living of these animals. [4] Alloparenting helps to reduce the stresses on these animals and reduce the overall energetic demands of having offspring. [4]