Movement offers a window into how the brain operates and controls the body. From clipboard-and-pen observation to modern artificial intelligence-based techniques, tracking human and animal movement has come a long way. Current cutting-edge methods utilize artificial intelligence to automatically track parts of the body as they move. However, training these models is still time-intensive and limited by the need for researchers to manually mark each body part hundreds to thousands of times.
"Over the last several years, there has been a revolution in tracking behavior as powerful artificial intelligence tools have been brought into the laboratory," says Azim, senior author and holder of the William Scandling Developmental Chair."Our approach makes these tools more versatile, improving the ways we capture diverse movements in the laboratory.
To address these limitations, the researchers used fluorescent dye to label parts of the animal or human body. With these"invisible" fluorescent dye markers, an enormous amount of visually diverse data can be created quickly and fed into the artificial intelligence models without the need for human annotation.
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