Figure 1.

Regression of log publication index on log severity for the years 2000–2009, with a 95% confidence interval shown with dotted lines, reproduced from Bishop (2010). A constant of 4 is added to the log publication index to avoid negative numbers. ADHD = attention-deficit/hyperactivity disorder; ASD = autism spectrum disorder; CP = cerebral palsy; DCD = developmental coordination disorder; de Lange = Cornelia de Lange syndrome; FraX = fragile X syndrome; ID = intellectual disability (shown in parentheses to indicate that the publication index is overestimated); NF1 = neurofibromatosis type 1; PKU = phenylketonuria; Rubinstein T = Rubinstein–Taybi syndrome; SLI = specific language impairment; T. sclerosis = tuberous sclerosis; VCF = velocardiofacial syndrome. Figure reprinted from Bishop (2010) via Creative Commons Attribution license CC BY 4.0.