Airflow Setup (IMAGE) Cell Press Caption A close-up image of a two-year-old girl (typically developing) wearing the custom-made double-barreled pediatric nasal cannula. Using this setup, pleasant and unpleasant odors were presented to the children (red line) while their nasal airflow was monitored (green line). Throughout the 10-minute study the children were seated comfortably in front of a computer monitor while viewing a cartoon. Credit Ofer Perl Usage Restrictions Credit Required. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.