Answer:
Gerri is most likely suffering from Conversion disorder
Explanation:
Conversion disorder, also known as the functional neurologic symptom disorder, is caused due to a trauma, stress or psychological distress. Some of the symptoms of this disorder include partial or full paralysis, deafness, blindness, numbness, tremors, difficulty in balancing and walking, seizures and incontinence. These symptoms can't be explained by medical tests and evaluation.
Therefore, Gerri is most likely suffering from Conversion disorder.