“…Also consistent with feedback theories is the finding that in stuttering individuals exposed to noise that makes it impossible for them to hear their own voices, stuttering is significantly reduced (Brayton & Conture, 1978). However, the finding that it makes no difference to stutterers if noise occurs during vocalization, during silent pauses, or continuously (Sutton & Chase, 1961) creates serious difficulties for feedback theories (Bloodstein, 1993; Garber & Siegel, 1982; Zimmermann, Brown, Kelso, Hurting, & Forrest, 1988).…”