*Tactilely defensive = having a negative response to touch
Perseverative speech = continued repetition of words or phrases
Hyper extensible MP joints = double jointed
Simian crease = a single horizontal crease on the palm instead of the usual two creases
Sydney line = a horizontal crease that goes from edge to edge across the palm
Give 2 points if the feature is present, 1 point if the feature was present in the past or is present to a borderline degree, and 0 points if the feature is absent.
Hagerman, Amiri, and Cronister found that 45 percent of males with a score of 16 or higher and 60 percent of those with a score of 19 or higher had fragile X syndrome.
Please Note: Not all children with fragile X syndrome score 16 or higher, and many higher functioning children with the syndrome may have low scores on this rating.
Randi Hagerman, M.D.,
M.I.N.D. Institute,
University of California, Davis
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