一、什么是弱智弱智,也称智力残疾、智力迟钝或智力落后。弱智儿童是指智力明显落后于同龄正常儿童的发展水平并在社会行为的适应方面也有明显障碍的儿童。到目前为止,大多数国家仍然把由智力测验得到的智商(即 IQ)作为鉴定儿童是否弱智的依据。一般认为智商低于70的儿童为弱智儿童,其中,智商在50～69之间的为轻度弱智,智商在20～49之间的为中度弱度,智商在20以下的为重度弱智。 First, what is mentally retarded, also known as mental retardation, mental retardation or mental retardation. Mentally handicapped children are children whose mental capacity lags far behind their normal children’s level of development and have obvious obstacles to the social adaptation. So far, most countries still use IQ (IQ) derived from intelligence tests as the basis for identifying children’s mental retardation. Generally considered IQ less than 70 children as mentally handicapped children, of which IQ between 50 to 69 for the mild mentally handicapped, IQ between 20 to 49 for the moderate weakness, IQ below 20 for the severe mental handicap.