title: Constraints are the solution, not the problem.
authors.affiliation: Department for Culture and Society, Interacting Minds Centre, Aarhus University Aarhus, Denmark.
authors.forename: Sebastian
authors.initials: S
authors.lastname: Wallot
authors.affiliation: Department of Psychology, Grinnell College Grinnell, IA, USA.
authors.forename: Damian
authors.initials: D
authors.lastname: Kelty-Stephen
keywords: eye-movement fluctuations; fixations; reading; saccades; scale invariance; ultrafast reading times