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.
Adrenergic nervous system, a part of autonomic nervous system that uses epinephrine or norepinephrine as its neurotransmitter; Regarding proteins: Adrenergic receptor; Adrenergic transporter; Regarding drugs: Adrenergic receptor agonist; Adrenergic receptor antagonist; Adrenergic reuptake inhibitor; See also. Dopaminergic; GABAergic; Nootropic; Serotonergic