Jesse's home life was extremely stressful and physically abusive until he was placed in foster careat the age of 6. Upon entering the first grade, it became apparent that Jesse suffered somelearning and memory deficits.

Which of the following would best explain these deficits?

A. The neurons in Jesse's brain are lacking myelination.

B. Jesse's hippocampus failed to develop correctly.

C. Jesse's hypothalamus is probably overdeveloped.

D. Jesse's corpus callosum is most likely thinner than it should be.

B.Jesse's hippocampus failed to develop correctly.

Explanation:

Hippocampus is an essential part of the brain. A part of limbic system which comprises hypothalamus and amygdala.

Hippocampus functions in processing and retrieving two kinds of memory which are declarative memories and spatial relationship memories.

Declarative memories includes memory of facts and events while Spatial relationship memories is about pathways.

Hippocampus can be affected by Stress and Depression which makes the hippocampus to reduce in volume.

Hence, Jesse suffered some learning and memory deficits due to extreme stress he had while he was younger, causing his hippocampus to fail in developing correct.