Brain activation related to the tactile perception of touching ridged texture using fingers

Background Humans can recognize the physical properties of objects by touching them, even when vision is unavailable. Tactile perception is important for humans in interacting with the environment. The triangular ridged textures are usually added to surface to improve the grip reliability of products, but the sharp edge of triangular ridge induces sharp and uncomfortable feeling. Materials and methods To study the effect of the edge shape of...