Many children do develop speech sounds over time but those who do not often need the services of an SLP to learn correct speech sounds. Some speech sound errors can result from physical problems, such as: 1  developmental disorders (e.g.,autism). 2  genetic syndromes (e.g., Down syndrome).
adjective. 1  The definition of anergic is a condition in which the body fails to react to an injected antigen. 2  The definition of anergic is a condition in which the body fails to react to an injected antigen. A child whose body does not react properly to an immunization is anergic.
Here anergy is defined as a region of skin reactivity of 0â1 mm, hypoergy as a reaction of 2â9 mm in response to fewer than three antigens, normergic as a reaction of 10â39 mm or to three or more antigens, and hyperergy for a reaction of 40 mm or more.