Grove Pediatrics Ltd.

The Test

The Quotient Test Difference

To the right:
Top figure

An example of test results on a student with ADHD before and after treatment.  Although the treatment is not yet optimal, vast improvement is clearly visible.
The bottom figure  in the middle of the page is the same child pre-treatment,showing the correct and incorrect response and the variability in response times.

Please call us at 847-465-9600 to schedule an appointment to schedule a test or discuss the value of this test for your child.

How does the Quotient System work? 

Developed at   Harvard University the test measures all 3 core symptoms: Inattention, impulsivity and hyperactivity while the indvidual attempts to focus on a changing visual stimuli which appear at random locatons, random inteervals and random sequence on the computer monitor.  Developed at

  • Motion is meausred 50 times persecond and movement greater than 1 millimeter is recorded
  • Patterns of movement and shifts between attentive, impulsive, distracted and disengaged attention states are measured simultaneously.  This is important to distinguish ADHD from other behavioral disorders
  • Results are compared to a database of age and gender matached children, teenagers and adults both with and without ADHD

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