A year ago today, we shared about KardiaMobile training with you all for the first time. I had been planning on sharing some exciting Positive Reinforcement Training (PRT) progress today, and this gives me the perfect opportunity to share some of our wins from the past year. We have come so far!
As a refresher, the KardiaMobile is a small, wireless EKG device that records heart rhythm to a smartphone or other device. To record a complete reading, the chimpanzee must sit still for at least 30 seconds, with one finger from each hand resting on the pads of the KardiaMobile device. This sounds simple, but it is no small feat for a chimpanzee to stay completely still for 30 seconds. To make things trickier, readings are easily impacted by interference from other sources. For example, another chimpanzee pant-hooting, displaying, or even tapping on the caging to request a snack can impact a reading. Other devices such as fans, radios, and TVs can also cause interference which can muddle the EKG enough that it no longer provides diagnostic information. Watch the video before continuing on to avoid any spoilers!
Since our first update on this behavior, we have recorded multiple EKG readings with Willy B, Terry, Cy, and…George! Willy B is a quick learner and was the first to successfully record EKG readings. JB made some adjustments to the platform that holds the KardiaMobile device (and keeps it safe from being taken by the chimps), so that Terry’s adorably stubby fingers could reach the KardiaMobile, and he is now unstoppable. Cy needed more time to grasp the behavior, but in the past 2 weeks has recorded his first EKG reading, and several more since then! George impressed us all by learning the behavior in just one session!
Above is one of George’s first EKG readings recorded with the KardiaMobile device. You can see at the beginning where he moved his fingers slightly, and the reading is affected. He then settled in and recorded a very clear reading for Dr. Erin to be able to review.
PRT is one of my favorite parts of my job. Not only is it a fun way to build relationships and incredibly exciting when the chimpanzees make breakthroughs in behaviors, but most importantly it allows them to cooperate in their own care. Through KardiaMobile training, we are able to provide Dr. Erin with awake EKGs on the chimpanzees, which gives her a diagnostic tool to regularly assess their heart health. For more information about KardiaMobile training and other PRT behaviors, check out the blogs linked here, here, here and here!
