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.
The adrenergic pathway is otherwise known as the SNS or sympathetic nervous system. The other one is the cholinergic pathway which is also regarded as the parasympathetic nervous system (PNS). The main difference between the two is their neurotransmitters.For the cholinergic line, acetylcholine (ACh) is used while the adrenergic line makes use of either norepinephrine or epinephrine (also known as adrenaline); no wonder the adrenergic line came to be named as such because adrenaline is involved.he main difference between the two is their neurotransmitters. For the cholinergic line, acetylcholine (ACh) is used while the adrenergic line makes use of either norepinephrine or epinephrine (also known as adrenaline); no wonder the adrenergic line came to be named as such because adrenaline is involved.