Solve exciting clinical cases specific to your field of interest via Docplexus` clinical case challenge. In today's ‘Neurology Case Challenge’, join your fellow doctors to discuss and answer an interesting quiz. Patient History: A 20-year-old man who no longer speaks is undergoing studies to clarify his condition. Although his parents reported that his early development was normal, they describe unusual behaviors prior to age 5 years. His early speech exhibited disarticulation, agrammatism, truncated sentence structures, and a sing-song intonation.

When the boy first entered school, he demonstrated attentional and learning disabilities, as well as impaired motor coordination. However, his parents denied the presence of abnormalities. They did not continue treatment with a pediatric neurologist. Family History: His father was born in Barbados, and the boy has a paternal family history of…