Promoting Brain Recovery and 
     Plasticity for Infants and Children  
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Where the Hope Lies... Overview of Opportunities

 
Neuro Developmental Reorganization 
 + Overview 
 + Neuro Developmental Therapy / Feldenkrais 
 + Computer/Robotic Assistance 
 + Drug Treatments 
 + Constraint Induced Therapy 
 + Institute for The Advancement Of Human Potential 
 
   
Bio-Mechanical Reorganization
 + Advanced Bio-Mechanical Rehabilitation 
 + Advanced Neuro Rehabilitation 
  
Neuro Regeneration
 + Stem Cells 
 + Surgical Neuro Cell implantation  
 + Hyperbaric Oxygen Treatment 
 + FGF 
 + G-Therapy 
 
 

 Injury Types 

 
 + Cerebral Palsy 
 + Pediatric Stroke / Hemi-kids 
 + TBI 
 + Near Drowning / Near Hanging 
 + Spastic 
 + Dystonic 
 
 

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Learn how you can help bring Hope through Advocacy, Education and  Research . 


Much of the information we have received concerning drug treatment comes from one of our most experienced Scientific Advisors, Mike Johnston.  Trails are underway to study the effects of anti-cholinergic drug treatment for kids with  Extrapyramidal brain injuries.

Below is a summary of Mike's research interests and some interesting ideas that he has.  In addition a very good website on drug treatment can be found here (the website is paid for by the drug companies):

http://www.wemove.org/kidsmove/

Michael V. Johnston, M.D.
Research Scientist

Dr. Michael Johnston is a research scientist at Kennedy Krieger Institute. He is a professor of Neurology and Pediatrics at the Johns Hopkins University School of Medicine.

Biographical Sketch

Dr. Johnston attended Franklin and Marshall College before going on to medical school at the University of Pittsburgh, from which he graduated cum laude in 1971. His postdoctoral training at the Johns Hopkins Hospital included work in Pediatrics, Neurology, Pharmacology, and Pediatric Neurology. After teaching positions and research work at the University of Michigan Medical School and University of Michigan Hospitals, Dr. Johnston returned to Baltimore in 1988. Today he is Senior Vice President and Chief Medical Officer at Kennedy Krieger Institute, as well as director of both KKIís Division of Neurology & Developmental Medicine and KKIís Neuroscience Laboratory. Dr. Johnston is an attending physician at both Johns Hopkins Hospital and Kennedy Krieger Children's Hospital.
Research Summary


Dr. Johnston and his group, including Drs. Mary Blue, Mary Ann Wilson and Alec Hoon, perform clinical and basic laboratory research focused on developing therapies to reduce brain injury in infants and children as well as to promote recovery by enhancing brain plasticity. His laboratory was one of the first to describe the mechanisms through which the neurotransmitter glutamate triggers brain injury from lack of oxygen, trauma and other insults. If administered early enough, drugs that block the effects of glutamate on one of its receptors called the NMDA receptor can totally prevent brain injury in infants.

His group also recognized that the major role that glutamate plays in injury during development is related to the important role it plays in normal development. During development, glutamate released from nerve terminals helps to refine the synaptic connections that link neurons into circuits. These mechanisms are enhanced during development to shape circuits in response to environmental stimuli and formation of memories, a process called "neuronal plasticity." When the brain is injured, these circuits can be damaged by too much glutamate, much like a computer's chips can be damaged by a power surge during a thunderstorm.

Because injury and plasticity are two sides of the same processes in brain development, Dr. Johnstonís research has grown beyond mechanisms of injury into processes that control brain plasticity. For example, he studies how cerebral cortex is reassigned in response to injury, which is the major mechanism for recovery of function from stroke and other disorders. Even learning and long-term memory are based on these same mechanisms, since it depends on neurons exciting each other with glutamate and changes in synaptic connections. Numerous disorders associated with mental retardation are caused by genetic flaws in these systems, and Dr. Johnston recently completed a project focused on a defect in a neuronal signaling process involved in a form of X-linked mental retardation.

So Dr. Johnstonís initial pursuit of ways to reduce brain injury in infants and children with medications has led to a broader understanding of processes involved in plasticity and recovery from injury. The immature brain's glutamate signaling system, which is enhanced compared to the adult in order to shape its complex neuronal circuitry, proves to be its "Achillesí Heel" when it is injured. Accordingly, Dr. Johnstonís research has proved to be relevant to a broad range of neurodevelopmental disabilities including cerebral palsy, mental retardation, lead poisoning, genetic metabolic disorders, and epilepsy as well as brain injury from lack of oxygen and trauma.

 

 

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