That would be survey research.
Surveys are used for the political polls as they are very good and appropriate for this kind of research as they consist of questions that have the aim of eliciting the specific information and data from the people about a particular subject. Surveys can take a wide variety of forms be that a simple phone interview or a kind of online survey.
Answer:
Hippocampus
Explanation:
According to my research on studies conducted by various neurologists, I can say that based on the information provided within the question this is most likely due to the fact that her Hippocampus was not fully developed at that age. The Hippocampus is the area of the brain that controls and maintains long term memory. Which is why she can not remember that part of her life.
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