University of Barcelona Jan 20 2026 A team from the Faculty of Medicine and Health Sciences and the Institute of Neurosciences at the University of Barcelona (UBneuro) has applied advanced artificial intelligence techniques to better understand why Huntington's disease can begin at very different ages in patients. This hereditary neurodegenerative condition, which causes motor, cognitive, and psychiatric impairments, is caused by a mutation in the HTT gene, which encodes the huntingtin protein.