Mac Gillivray J, Del Priore C, Evans A L, Smith D C
J Med Eng Technol. 1984 Jul-Aug;8(4):184-5. doi: 10.3109/03091908409074873.
A simple system has been designed and built which gives an audio and a visual indication of when a child is looking at a specific object. This is a valuable motivation tool for use in both the assessment and the development of children with severe physical handicap.
已设计并构建了一个简单系统，该系统能在儿童注视特定物体时给出听觉和视觉指示。这是一种在评估和培养重度身体残疾儿童时很有价值的激励工具。
