Childhood Disintegrative Disorder (CDD)
- CDD is a condition associated with seizures and is characterized by loss of social, motor, language and intellectual skills.
- The child also shows loss of bladder and bowel control and usually needs permanent care.
- This is a type of anxiety disorder in which a person who can speak normally becomes incapable of speech in certain situations.
- Selectively mute children have difficulty in maintaining eye contact, are generally inexpressive and suffer from social anxiety.
Reactive Attachment Disorder (RAD)
- RAD is an uncommon disorder occurring in children and arises out of a failure to form secure and normal attachment to the primary caregivers, usually parents.
- This disease is characterized either by a complete reluctance to affection and social comfort or an exaggerated need to receive affection from any adult, even strangers.
- Rett Syndrome is a genetic disorder of the neurodevelopmental type that creeps in after a period of near normal development between 6-18 months of life, and is mostly seen in girls.
- The disease is characterized by steady loss of motor and communication skills, and appearance of repetitive movements like clapping, tapping and hand washing.