Answer:
It is most likely that oksana had more cognitive impairment than she would have had if she had been adopted before six month of age
Explanation:
Physical and Emotional deprivation during infant developmental stage can lead to various cognitive impairments. An example of such impairment is emotional deprivation disorder which is a syndrome that results from lack of emotional care by another. For instance an infant emotionally deprived, abandoned and or rejected may result into arrested emotional development in later life where such individual are incapable of developing into emotional maturity
Other forms of cognitive impairments includes inability of establishing normal, mature interaction with others, attention seeking, fearful or aggressive behaviour e.t.c
