| Phenotype details |
birth weight normal, length normal, OFC normal; normal height, normal weight, OFC 0; developmental delay/intellectual disability, VIQ105, PIQ85; gross motor delay, fine motor delay, walk-24m; speech delay, 3y-first words; autism, attention deficit hyperactivity disorder; hypotonia; sleep problems; no hearing loss; myopia; joint hypermobility; normal skin; midface flattening, normal forehead, normal eyes, protruding ears, anteverted nares, mild micrognathia, long philtrum, thin upper lip, high palate; no gastrointestinal problems; MRI brain normal; benign nocturnal alternating hemiplegia of childhood; parents healthy, grandmother has migraine headaches |