“…Researchers estimate that 400,000 people suffer a brain injury each year, 44,000 of whom are in the moderate to severe range (Abrams, Barker, Haffey, & Nelson, 1993). An estimated 1 million to 1.8 million living Americans have sustained moderate to severe brain trauma (Cope & Hall, 1982); automobile, motorcycle, and bicycle accidents; falls; violence; and recreational injuries are the major causes (Sorenson & Kraus, 1991).…”