diff --git a/.hash b/.hash
index 4c0c3a9..fbee16e 100644
--- a/.hash
+++ b/.hash
@@ -1,5 +1,6 @@
 ainotes.cls,2a364c6
 year1/cognition-and-neuroscience/module1,7f9131a
+year1/cognition-and-neuroscience/module2,f28880f
 year1/combinatorial-decision-making-and-optimization/module1,ea45a50
 year1/combinatorial-decision-making-and-optimization/module2,52495c2
 year1/deep-learning,7a84143
diff --git a/README.md b/README.md
index 09ea69c..94b7613 100644
--- a/README.md
+++ b/README.md
@@ -18,6 +18,7 @@ Compiled PDF files are in the [`pdfs` branch](https://github.com/NotXia/unibo-ai
 - [**Statistical and Mathematical Methods for Artificial Intelligence**](https://github.com/NotXia/unibo-ai-notes/blob/pdfs/year1/statistical-and-mathematical-methods-for-ai/smm.pdf)
 - **Cognition and Neuroscience**
    - [CN module 1](https://github.com/NotXia/unibo-ai-notes/blob/pdfs/year1/cognition-and-neuroscience/module1/cn1.pdf)
+   - [CN module 2](https://github.com/NotXia/unibo-ai-notes/blob/pdfs/year1/cognition-and-neuroscience/module2/cn2.pdf)
 - **Combinatorial Decision Making and Optimization**
    - [CDMO module 1](https://github.com/NotXia/unibo-ai-notes/blob/pdfs/year1/combinatorial-decision-making-and-optimization/module1/cdmo1.pdf)
    - [CDMO module 2](https://github.com/NotXia/unibo-ai-notes/blob/pdfs/year1/combinatorial-decision-making-and-optimization/module2/cdmo2.pdf)
diff --git a/year1/cognition-and-neuroscience/module2/cn2.pdf b/year1/cognition-and-neuroscience/module2/cn2.pdf
new file mode 100644
index 0000000..0cce318
Binary files /dev/null and b/year1/cognition-and-neuroscience/module2/cn2.pdf differ