http://localhost:43789/tag/human-development/ Human Development Hugo Blox Builder (https://hugoblox.com)en-usMon, 13 Apr 2026 00:00:00 +0000 http://localhost:43789/media/icon_hu_2e8018940ebab45e.png http://localhost:43789/tag/human-development/ http://localhost:43789/publication/garciaguzman2026/ Mon, 13 Apr 2026 00:00:00 +0000 http://localhost:43789/publication/garciaguzman2026/ <div style="position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden;"> <iframe allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share; fullscreen" loading="eager" referrerpolicy="strict-origin-when-cross-origin" src="https://www.youtube.com/embed/zsb3Bj6m4Iw?autoplay=0&amp;controls=1&amp;end=0&amp;loop=0&amp;mute=0&amp;start=0" style="position: absolute; top: 0; left: 0; width: 100%; height: 100%; border:0;" title="YouTube video"></iframe> </div> <hr> <blockquote> <p><strong>Key finding:</strong> Infant spontaneous arm movements are dynamically rich and distinct from goal-directed reaching — they preferentially excite the arm&rsquo;s natural dynamics.</p> </blockquote> <p>This work introduces a <strong>synthetic data-driven framework</strong> to study infant spontaneous movements, comparing real infant recordings (RGB-D and YouTube) against two synthetic reference datasets:</p> <ul> <li>A <strong>reaching-like</strong> dataset (goal-directed motions)</li> <li>A <strong>maximal dynamic excitation</strong> dataset (upper bound of dynamic exploration)</li> </ul> <p>Our results show that spontaneous movements fall systematically between these two extremes — they are <strong>more dynamically explorative than goal-directed reaching</strong> and exhibit <strong>higher kinematic variability</strong>, pointing to an emergent, exploration of the upper limb dynamics during early development.</p>