Complex sentence: For example, if a small piece of paper is dropped on the inside of one's forearm, it is felt for a few seconds, then the sensation is no longer present; this is because the tactile neurons have adapted.
Split into simpler sentences: For example, if a small piece of paper is dropped on the inside of one's forearm, it is felt for a short period. Soon, the sensation fades away; this is because the tactile neurons have adapted.