No. They can cover different types of conditions. A retarded person often has learning difficulties, whereas mental disorders are more psychological and don't always impair the intelligence of a person.
If retardation is caused by chromosomal or other genetic disorders, it is often apparent from infancy.
Maternal infections and such illnesses as glandular disorders, rubella, toxoplasmosis, and cytomegalovirus (CMV) infection may cause mental retardation
Ludwick Szymanski has written: 'Mental Retardation & Genetic Disorders'
Steven B. Coker has written: 'Developmental delay and mental retardation' -- subject(s): Child Development Disorders, Developmental disabilities, Diagnosis, Mental retardation, Therapy
no. someone can be called a retard which is slang for someone having mental retardation or is developmentally disabled.
Those who do not die may experience permanent blindness, mental retardation, seizure disorders, or loss of motor control
Overstudy does not cause mental retardation.
TThere are quite high as it comes in different types of mental retardation.
literature review on mental retardation with reference
Exposure to lead can also cause mental retardation.
Peter Sturmey has written: 'Psychometric assessment of psychiatric disorders in people with learning difficulties (mental handicap)' 'Clinical and counseling practice' -- subject(s): Psychotherapy, Counseling, Practice 'Mood Disorders in People with Mental Retardation'
The medical retardation and health center act of 1963 was the de institutionalization of people with mental retardation and associated disorders. Due to this act more and more people that were previously institutionalized are living at home and are productive members of society.