They have small heads, prominent cheek and jaw bones, widely spaced teeth, and poor tooth enamel. However, every state now screens the phenylalanine level of newborns at 3 days of age. If an infant has PKU, dietary sources of the amino acid are lessened or eliminated. High protein foods such as meat, fish, chicken, eggs, cheese, milk, and peas are avoided. Cereals, starches, fruits and vegetables, along with phenylanine-free baby formulas are given instead. If a proper diet is maintained, these individuals can develop normally.
Functional enuresis and encorpresis are elimination disorders. The first is bedwetting, or urination, during the day or night, in one's clothing or in bed. There are three subsets of this disorder. In one, the individual (usually a child) urinates at night. In the second subtype, the individual urinates only while awake. The third subtype occurs both during the day and the night. In some cases, the child has an uncontrollable urge to urinate and cannot postpone it. In other cases, the child, for emotional reasons or because they are preoccupied with other things, delays urinating until they suddenly have to go to the bathroom and cannot make it in time. Usually these disorders disappear as a child gets older and learns self-control.
Functional encopresis is when an individual passes feces into clothing or other areas. Children over age four have usually learned to control their elimination of feces. This disorder is divided into two subtypes. The first occurs with constipation. When an individual is constipated and not moving his or her bowels regularly, there may be some leakage of stool. If the constipation is treated, this condition disappears. In the second subtype, the soiling occurs without an obvious reason. This may be related to psychological disorders, such as oppositional defiant disorder or conduct disorder.
Autism is a broadly defined developmental disorder that can range from mild to severe. It was first defined in 1943 by the Johns Hopkins psychiatrist Leo Kanner. It is usually diagnosed by age three and includes three main behavioral features: reduced or absent verbal and nonverbal communication,...
Our semester plans gives you unlimited, unrestricted access to our entire library of resources —writing tools, guides, example essays, tutorials, class notes, and more.
Get Started Now