"Unlocking the Past: How Fingertips Preserve Memories"

Researchers have discovered that the viscoelastic nature of fingertips, where deformations from forces last longer than the applied force, influences the activity of tactile neurons and affects the information relayed to the brain. By studying the responses of different types of tactile neurons to varied forces, the study found that these neurons hold a "memory" of past interactions, providing continuous information about the fingertip's viscoelastic state. This research sheds light on the importance of fingertip viscoelasticity in hand control during daily tasks and tactile-based actions.