A member asked:

Why according to a study do more than 50 percent of high school student fail the serial 7 subtraction test?

A doctor has provided 1 answer

Symptom, not problem: This is a symptom of a larger issue. The serial 7 test is used routinely during the neurological exam to assess the patient's mental status. Nowadays students use a calculator or computer earlier on, thereby relying on such "peripheral brains" for computation. www.sciencedaily.com/releases/2012/11/121112171430.htm and http://ideas.time.com/2012/11/29/how-to-use-technology-to-make-you-smarter/

Answered 4/21/2016

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