Executive Function is controlled by the frontal lobes (prefrontal cortex).  
When this part of the brain is slow to mature there are a number of effects  an 
individual may suffer. These may include:
 
 inhibition  planning  time perception  internal ordering  working memory  
self-monitoring  verbal self-regulation  motor control  regulation of emotion  
motivation 
 
Students who have this challenge have great difficulty keeping their lives  
in order and in high school, this can lead to trouble with large assignments 
and  keeping track of workload. There are also social consequences as you may  
imagine. One of the best researcher/authors on this subject is Martha Denkla,  
who also researches ADD and other disabilities. There are a number of tests 
that  can measure a deficit in EF, such as the Wisconsin Card Sort Test.
 
Julie Ennis
Educational Consultant
Fairfax VA
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