Visual reinforcement audiometry (VRA) with young Down's syndrome children.

@article{Greenberg1978VisualRA,
  title={Visual reinforcement audiometry (VRA) with young Down's syndrome children.},
  author={Donna B. Greenberg and William R W Wilson and Jennifer M. Moore and G. Thompson},
  journal={The Journal of speech and hearing disorders},
  year={1978},
  volume={43 4},
  pages={448-58}
}
Visual Reinforcement Audiometry (VRA) was investigated with 41 Down's syndrome subjects between the ages of six months and six years. The VRA procedure involved monitoring a head-turn response to a complex noise signal presented in a sound field with an ascending presentation paradigm and reinforced by a complex visual reinforcer. Twenty-four of the infants… CONTINUE READING