Inner Rivers
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Audio installation, Singing River, Pan Am Path, Belleville Underpass, Lower Don Trail, Toronto, July 4-5 2015

Diagnostic ultrasound recordings transport the listener along the body’s inner rivers. Entering the tunnel, we are immersed in a dynamic audio map of blood flow: from the tips of the fingers, through the abdominal region, to the head and brain.

Research work in Dr. Peter Burns’ laboratory at the University of Toronto makes use of Doppler ultrasound to measure the dynamic flow of blood, its pressures and the resistance of blood vessels themselves. Ultrasound imaging of blood flow can provide an audible indicator of health or illness.

Exiting the tunnel, listen for the sound of the river. What obstacles does the river face? What are the pressures and resistances it must overcome?

Creative team: composer Juliet Palmer, sound artist Chris Willes & Sunnybrook scientist Dr. Peter Burns