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Rosie D

Neurology of ADHD | ADD ADHD Information Library - 0 views

newideas.net/neurology

brain images scan comparison neurology brain disorders neurological disorders adhd add disorder

shared by Rosie D on 09 Mar 11 - Cached
  • What is Happening in the Brain of a Person with ADHD ? The most recent models describing what is happening neurologically in the brains of people with Attention Deficit Disorder suggest that several areas of the brain may be affected by the disorder. They include: Frontal Lobes Inhibitory Mechanisms of the Cortex Limbic System Reticular Activating System
  • Attention Deficit Disorder children show excessive slow brainwave activity (theta and alpha ranges) compared to non- ADD ADHD activity. The slow brainwave activity indicates a lack of control in the cortex of the brain.
  • Impulsivity, Hyperactivity, and Lack of Inhibition
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  • frontal lobes help us to pay attention to tasks, focus concentration, make good decisions, plan ahead, learn and remember what we have learned.
  • The frontal lobes also help us to behave appropriately for a given situation. Emotional issues such as anger, frustration, and irritability that come on impulsively in some types of ADHD probably come from the pre-frontal cortex.
  • inhibitory mechanisms of the cortex keep us from being hyperactive, from saying things out of turn, and from getting mad at inappropriate times, for examples. These inhibitory mechanisms of the cortex help us to "inhibit" our behaviors.
  • It has been said that 70% of the brain is there to inhibit the other 30% of the brain
  • When the inhibitory mechanisms of the brain aren't working as efficiently as they ought , then we can see results of what are sometimes called "dis-inhibition disorders"
  • impulsive behaviors, quick temper, poor decision making, hyperactivity, and so on.
  • limbic system is the base of our emotions and our highly vigilant look-out tower.
  • If the limbic system is over-activated, a person might have wide mood swings, or quick temper outbursts. He might also be "over-aroused," quick to startle, touching everything around him, hyper-vigilant.
  • A normally functioning limbic system would provide for normal emotional changes, normal levels of energy, normal sleep routines, and normal levels of coping with stress. A dysfunctional limbic system results in problems with those areas.
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