Genes Involved in Long-Term Memory (IMAGE) Princeton University Caption A study conducted in C. elegans worms (left) revealed genes involved in forming long-term memories. These genes are activated by a transcription factor called CREB in the worm's AIM neurons (shown by arrows in right). Credit Image source: Murphy lab Usage Restrictions None License Licensed 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.