“…Other patterns may be present during drowsiness, particularly the anterior theta aspect that consists of monomorphous fronto-central rhythms of variable duration (9 to 12% of children) (Plouin et al, 1981). Other patterns may be present during drowsiness, particularly the anterior theta aspect that consists of monomorphous fronto-central rhythms of variable duration (9 to 12% of children) (Plouin et al, 1981).…”