"DNA testing is the definitive method for diagnosing fragile X syndrome." During pediatric care rounds, the nursing staff discusses a toddler with sragile X Syndrome who is nonverbal, unable to hold a crayon, and crawls instead of walks. Which cause and effect relationship does the nurs...
worthwhile solution to the sensitivity problem is to over-sample children who are lower functioning in the standardization studies and include tasks that can be completed across a broader range of developmental levels, including items designed for children with a mental age extending into toddlerhood....
1988) to rate behavioral observations during a one- to two-day assessment visit in a sample of 116 boys (n = 99) and girls (n = 17) with FXS (mean age = 4.58 years) who had at least two assessment visits
During selective attention tasks, previous studies have reported similar hit rates in males with FXS relative to MA controls from toddlerhood to adulthood [15,18,50,52,65]. However, a few studies documented worse performance compared to MA [16,19,65] and CA controls [19], especially under ...