Dear Neuromorphs, the following new article may be of interest to those of you interested in unsupervised learning and predictive coding in spiking neural networks — biological and artificial: https://www.nature.com/articles/s41467-025-64234-z Best regards, Jochen -- Prof. Dr. Jochen Triesch Johanna Quandt Chair for Theoretical Life Sciences Frankfurt Institute for Advanced Studies and Goethe University Frankfurt http://fias.uni-frankfurt.de/~triesch/ Tel: +49 (0)69 798-47531 Fax: +49 (0)69 798-47611