Michelle had a lobotomy (a surgical technique) in which her entire frontal lobe was removed. michelle will likely have difficulties in:

Michelle will likely have problems in planning and judgment. The lobotomy also named prefrontal leukotomy, surgical process in which the nerve passageways in a lobe or lobes of the brain are separated from those in other areas. The process before was used as a radical beneficial measure to help totally troubled patients with schizophrenia, manic depression and mania and other mental diseases.

this is math not biology xd