The Brain and Spine Institute is made up of experts in the field of neuroscience in order to bring patients the best healthcare in East Tennessee for a full range of neurological diseases and disorders.
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The Brain and Spine Institute is made up of experts in the field of neuroscience in order to bring patients the best healthcare in East Tennessee for a full range of neurological diseases and disorders.
We provide a comprehensive continuum of cancer services, including prevention, outreach, diagnostic, treatment and support services delivered by our highly skilled staff with compassion and care.
The Center for Women & Children's Health is a hub for supporting women's and children's individual healthcare needs. The center provides support, research and unmatched patient-centered care.
Emergency and Trauma Services is the only Level I Trauma Center in the area and serves as the tertiary referral center for medical care in East Tennessee, serving Knox County and 21 surrounding counties.
The Heart Lung Vascular Institute brings together expertise in clinical care, teaching and research. Patients receive exceptional healthcare combined with patient-centered care.

Oppositional defiant disorder is a pattern of disobedient, hostile, and defiant behavior toward authority figures.
This disorder is more common in boys than in girls. Some studies have shown that it affects 20% of school-age children. However, most experts believe this figure is high due to changing definitions of normal childhood behavior, and possible racial, cultural, and gender biases.
This behavior typically starts by age 8, but it may start as early as the preschool years. This disorder is thought to be caused by a combination of biological, psychological, and social factors.
To fit this diagnosis, the pattern must last for at least 6 months and must be more than normal childhood misbehavior.
The pattern of behaviors must be different from those of other children around the same age and developmental level. The behavior must lead to significant problems in school or social activities.
Children with symptoms of this disorder should be evaluated by a psychiatrist or psychologist. In children and adolescents, the following conditions can cause similar behavior problems and should be considered as possibilities:
The best treatment for the child is to talk with a mental health professional in individual and possibly family therapy. The parents should also learn how to manage the child's behavior.
Medications may also be helpful, especially if the behaviors occur as part of another condition (such as depression, childhood psychosis, or ADHD).
Some children respond well to treatment, while others do not.
In many cases, children with oppositional defiant disorder grow up to have conduct disorder as teenagers or adults. In some cases children may grow up to have antisocial personality disorder.
Call your health care provider if you have concerns about your child's development or behavior.
Be consistent about rules and consequences at home. Don't make punishments too harsh or inconsistent.
Model the right behaviors for your child. Abuse and neglect increase the chances that this condition will occur.
Steiner H, Remsing L, Work Group on Quality Issues. Practice parameter for the assessment and treatment of children and adolescents with oppositional defiant disorder. J Am Acad Child Adolesc Psychiatry. 2007;46:126-141.
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