“…In fact, controversy surrounds the distinction between normal and abnormal EF values. The majority of published studies suggest delineation is at approximately 35% (FinkBennett, et al, 1991;Yap, et al, 1991;Chen, et al, 2001;Davis, et al, 1982;Topper, et al, 1980;Pickleman, et al, 1985;FinkBennett, et al, 1985;Misra, et al, 1991;Zech, et al, 1991;Barron, et al, 1995;Yost, et al, 1999;Middleton & Williams, 1999;Poynter, et al, 2002;Majeski, et al, 2003).…”