Developmental+Delays+and+Differences

=- Their rate of devopment is quite different, particularly in communication, social, and cognitive skills.= =- Their rate of development may not be different when it comes to motor development (walking, climbing stairs, hopping, and manipulating small objects.= =- Sometimes skills will appear at the expected time in their development but then disappear. Some children begin talking at 11 months, then stop at age two.=