The participant’s development was typical until the age of three when she experienced sudden regression and lost her ability to speak. She has a history of abnormal brain activity (abnormal EEG) but has not had seizures. She received a diagnosis of Landau-Kleffner syndrome at age 3. She has significant difficulty … read more
At 3 months, the patient began having seizures (generalized tonic and complex partial seizures), which was confirmed by EEG. A head CT at this time was normal. An MRI at 7 months showed a small head size (microcephaly) and underdeveloped nerve fibers joining the hemispheres of the brain (hypoplasia of … read more
The participant was delivered via c-section at 39 weeks 5/7 days gestation with a NICU stay of 9 days due to inhalation of amniotic fluid and meconium (meconium aspiration) and respiratory distress. The participant’s mother noted severe vomiting and nausea during pregnancy, but otherwise had normal fetal movements and prenatal … read more
