An improved electronic device and method for the treatment of stuttering is disclosed. The device and method provide for transmitting electronic speech signals from a user through two paths, one of which is synchronous and the other is asynchronous. The synchronous speech signal is transmitted while the user is normally speaking and, at any pause in phonation, the device switches to the asynchronous path and transmits speech in a delayed auditory feedback mode and continues to do so until a pre-selected change occurs in the user's speech.