Figure 3From: Individually Coded Telemetry: a Tool for Studying Heart Rate and Behaviour in Reindeer CalvesGenerated pulse rate (solid line) and respective pulse rates measured using PVNV (dotted line) in the cold (-30°C). PVNV (n = 8) followed stepwise changes of the generated pulse rate with a small lag, but with high association as measured by the correlation coefficient.Back to article page