Mental Retardation

Mental retardation is a special type of psychological disorder associated with the arrest or incomplete development of one's brain. 

According to - 

Thus we can say that mentally retarded children are those who suffer from the subnormal or deficient growth and development of their brain affecting their intellectual capacities to the extent that they feel handicapped in their adaptation to the environment and thus require special care and provision for their welfare and development of their capacities. 

Classification based on Intelligence tests - 

Terman, using Stanford Binet scale, labelled individuals Into following categories - 

But a certain level of I.Q. scores does not by itself designate an individual a mental restarted. He must also be unable to adapt to the natural and social demands of the environment. Thus, the importance of adaptive behaviour to classify the levels of mental sub-normality has been realised. 

Adaptive behaviour as a means of classification - 

This criteria access the behaviour in two ways - 

The consideration of deficiency in adaptive behaviour along with the very low scores on intelligence test resulted in the development of a new classification of sub-normality. The new terms used are Mild, Moderate, Severe and Profound mental retardation

Characteristics of Mental Retardation in Children - 

Causes of Mental Retardation - 

Problems faced by Mentally Retarded Students - 

Educational Provisions for Mentally Retarded Students - 

Role of Teacher in the Education of Mentally Retarded Children -