when does the fetus begin to develop memory
Prenatal memory There is some evidence that fetal memory may begin within the second trimester after conception. Substantial evidence for fetal memories has been found at around 30 weeks after conception.[1] Fetal memory is important for parental recognition, and facilitates the bond between child and parents. One of the most important types of memory is that which stores information contributing to the maternal bond between infant and mother. This form of memory is important for a type of development known as attachment.[2] Fetal memory is thus critical to the survival of the fetus both prenatally (in the womb) and after birth as an infant.
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Implicit memory Some of the child's primary experiences are positive and essential for the physical and mental growth of the child. Others may be traumatic: neglect, parental inadequacy or possible mental illness, physical or psychological violence, child abuse, even of a sexual nature, as well as the constant frustrations and disillusionments that lead the child to organize its defences and boost its phantasies. All these experiences cannot be repressed because the hippocampus, necessary for the explicit memory, which is in turn indispensable for repression, is not mature in early infancy (R. Joseph, 1996; Siegel, 1999). On the contrary, the amygdala, which promotes the organization of the implicit memory, undergoes an earlier maturation (R. Joseph, 1996). Therefore, these early experiences, including those that concern the organization of language, can only be deposited in this latter form of memory and they contribute to the formation of an early unrepressed unconscious nucleus of the self (Mancia, 2003a, in press).[12]
Marcus Álvarez