pervasive development disorders การใช้

• Unlike with other pervasive development disorders, most persons with AS want to be social, but fail to socialize successfully, which can lead to later withdrawal and asocial behavior, especially in adolescence.
• The researchers studied 15, 500 children ages 2 1 / 2 to 6 1 / 2 in 1998 and 1999 and found a total of 97 children had a pervasive development disorder, which includes autism.