diff --git a/nontech/psycho/people/igor-tree.txt b/nontech/psycho/people/igor-tree.txt
index 67a5e1485..cf30d2fc8 100644
--- a/nontech/psycho/people/igor-tree.txt
+++ b/nontech/psycho/people/igor-tree.txt
@@ -1,3 +1,4 @@
 2025
 TreeDevelopmentSchool - Igor - Smeshariki Generation of 56:12
     https://www.youtube.com/watch?v=PParaUN5b6c
+    ! 5:00 Sechenov: Symbols -> Images -> Behavior Patterns