Jennifer is suffering from amnesia and cannot form any new memories. Which region of her brain is most likely to show impairments?

The damage in the brain part as hippocampus cause the problem of memory loss.

The answer to this question is Hippocampus.

Hippocampus is the part of the limbic system in the brain and controls the processing related to memories. Any trauma in this part of brain cause short or long-term memory loss.