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.
anÂ·tiÂ·choÂ·linÂ·erÂ·gic. Antagonistic to the action of parasympathetic or other cholinergic nerve fibers (for example, atropine). /anÂ·tiÂ·choÂ·linÂ·erÂ·gic/ (-koâ³lin-erÂ´jik) parasympatholytic; blocking the passage of impulses through the parasympathetic nerves; also, an agent that so acts. an anti-cholinergic agent that functions by competing with the neurotransmitter acetylcholine for its receptor sites at synaptic junctions.