Stephanie Rosemann, Eckart Altenmüller and Manfred Fahle (2015) Psychology of Music 1–16 DOI: 10.1177/0305735615585398
Main point: eye-hand span (EHS) is how far can one look ahead while sight-reading. “EHS seems to be characteristic for each musician, is developed over years of practice and is relatively independent of a short practice phase.” More complex scores are harder to read, especially at higher tempi. Big surprise Oh, btw N=9