Figure (IMAGE) National Research Council of Science & Technology Caption (left) Spike evolution pattern examples of the artificial tactile neuron device according to the stiffness of the pressed material, (right) Example of determining whether a tumor is malignant or benign by AI learning of ultrasound elastography images of a breast tumor using the stiffness-encoded spike patterns. Red indicates soft areas, and blue indicates stiff regions. Credit Korea Institute of Science and Technology (KIST) Usage Restrictions The source must be specified when using photos and research results from KIST. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.