Adhd doctors in Chennai
Adhd doctors in Chennai Attention-deficit/hyperactivity disorder (ADHD) is a disorder characterized by inability to attend to what is happening around the person for more than a few seconds, and hyperactive, impulsive behavior.It begins in childhood and can persist in adulthood.
Treatment can make a big difference. With proper medication and handling the child can grow up to be a vibrant, active and successful adult.
See also: Dealing with your child with ADHD
Today it is generally agreed that ADHD is a biological condition resulting from dysfunction in the brain.
Altered brain development. Slow development of the areas of the brain that control activity and attention leads to inattention.A region of the brain known as the frontal cortex is involved in ADHD along with circuits of the neurotransmitter dopamine between the pre-frontal cortex and the basal ganglia.The frontal cortex deals mainly with executive functions such as problem solving, attention, reasoning, and planning, and these functions are deficient in ADHD. The pre-frontal cortex is the brain’s “command center” while the basal ganglia translate the commands into action.
Genetics. ADHD runs in families.
Exposure to toxins during pregnancy. Exposure to environmental poisons, such as polychlorinated biphenyls (PCBs), and smoking, and alcohol or drug abuse during pregnancy may reduce activity of the nerve cells (neurons) that produce neurotransmitters and result in attention deficit and / or hyperactivity.
Exposure to environmental toxins in childhood. . Exposure to lead, which is found mainly in paint and pipes in older buildings, and PCBs in childhood has been linked to short attention span and disruptive and / or violent behavior.Failing to pay close attention to details or making careless mistakes in schoolwork or other activities
Trouble sustaining attention during tasks or play
Not listening even when spoken to directly
Difficulty following through on instructions resulting in failing to finish schoolwork, or other tasks
Problems in organizing tasks or activities
Avoidance of tasks that require sustained attention, such as schoolwork or homework
Often forgetful and frequently losing needed items, such as books, pencils, toys or tools