diff --git a/elements/neuron/postsynapse.md b/elements/neuron/postsynapse.md
index fdf3847..3bf7478 100644
--- a/elements/neuron/postsynapse.md
+++ b/elements/neuron/postsynapse.md
@@ -250,8 +250,19 @@ Il clearance lo facciamo qui nel container dove creaiamo anche i VPost, perche'
 
 ```Gen
 POST-AMPA
+  type: comprehension
+
+  expansion:
+  @: POST-AMPA-BHE: POST-AMPA-BHE
+  
+```
+
+```Gen
+POST-AMPA-BHE
   type: container
 
+  activity_scope: !DAY
+
   tub_intricated:
     - NT ( contained_by: ASTROCYTE/SYNAPSE )
 
@@ -266,7 +277,7 @@ POST-AMPA
 ```Gen
 NaAMPAEnterMax: ( active: 2x )
   type: accumulator
-  contained_by: POST-AMPA
+  contained_by: POST-AMPA-BHE
 
   in_context: NOT bAP_ctx
     hypothesis: (NT fullness)
@@ -279,7 +290,7 @@ NaAMPAEnterMax: ( active: 2x )
 ```Gen
 NaAMPAEnterMed: ( active: 4x )
   type: accumulator
-  contained_by: POST-AMPA
+  contained_by: POST-AMPA-BHE
 
   in_context: NOT bAP_ctx
     hypothesis: (NT mediumness)