Sixteen adult stutterers were randomly assigned to one of two groups: awareness training plus regulated-breathing or Azrin and Nunn's regulated-breathing method only. Awareness training significantly reduced stuttering compared to the control procedure. But the most significant improvement appeared after introduction of the regulated-breathing…

Using comparative speech tasks and EMG recordings to assess the potential of EMG biofeedback-assisted relaxation to reduce stuttering, a preschool child was able to reduce larynegeal tension but not without some difficulty. The small effect of the training was in the direction of less stuttering. (Author/CM)