Understanding the senses is indispensable for comprehending the Middle Ages because both a theoretical and a practical involvement with the senses played a central role in the development of ideology and cultural practice in this period. For the long medieval millennium, the senses were not limited to the five we think of: speech, for example, was categorized among the senses of the mouth. And sight and hearing were not always the dominant senses: for the medical profession, taste was more decisive. Nor were the senses only passive receptors: they were understood to play an active role in...