diff --git a/elements/neuron/presynapse.md b/elements/neuron/presynapse.md
index be84ac6..f91447f 100644
--- a/elements/neuron/presynapse.md
+++ b/elements/neuron/presynapse.md
@@ -105,21 +105,21 @@ ACTION
     hypothesis: _Ca2 mediumness AND _Rrp mediumness AND NOT _pre_budget empty 
       action: [ _Rrp decrease, _NT increase ]
       cost: [ _pre_budget decrease 3x ] 
-      else: None
+    else: None
   }
   
   NTreleaseMedium: INSTANTIATE [ snippet: accumulator, event: 9x ] {
     hypothesis: ( _Ca2 fullness AND _Rrp mediumness ) OR ( _Ca2 mediumness AND _Rrp fullness ) AND NOT _pre_budget empty 
       action: [ _Rrp decrease, _NT increase ]
       cost: [ _pre_budget decrease 3x ] 
-      else: None
+    else: None
   }
 
   NTreleaseHigh: INSTANTIATE [ snippet: accumulator, event: 6x ] {
-    hypothesis: _Ca2 fullness AND _Rrp fullness  AND NOT _pre_budget empty
+    hypothesis: _Ca2 fullness AND _Rrp fullness AND NOT _pre_budget empty
       action: [ _Rrp decrease, _NT increase ]
       cost: [ _pre_budget decrease 3x ] 
-      else: None
+    else: None
   }
 
   // ########################## Endurance | Fast (ms–s) ##########################
@@ -130,7 +130,7 @@ ACTION
     hypothesis: _pre_budget empty AND NOT deve esserci la possibilita di spikare e altri segnali come NO 
       action: [ _pre_endurance_tag increase ]
       cost: None
-      else: None
+    else: None
   }
 
 ```
@@ -143,31 +143,31 @@ TRACE
 
   type: container
 
-  // !DAY
+  // !DAY | NOT *AP
 
-  // ########################## Short (ms–s) ##########################
+  // ########################## _Ca2 level | Short (ms–s) ##########################
 
-    // _Ca2 level, NOT *AP
-  
-  TracesAccLow: INSTANTIATE [ snippet: accumulator, event: 3x, cost: _pre_budget 3x, context: NOT *AP ] {
+  TracesAccLow: INSTANTIATE [ snippet: accumulator, event: 3x ] {
     hypothesis: _Ca2 emptiness
       action: [ _CaTraceLow increase ]
-      else: None
+      cost: None
+    else: None
   }
   
-  TracesAccMedium: INSTANTIATE [ snippet: accumulator, event: 6x, cost: _pre_budget 3x, context: NOT *AP ] {
+  TracesAccMedium: INSTANTIATE [ snippet: accumulator, event: 6x ] {
     hypothesis: _Ca2 mediumness
       action: [ _CaTraceMed increase ]
-      else: None
+      cost: None
+    else: None
   }
 
-  TracesAccHigh: INSTANTIATE [ snippet: accumulator, event: 10x, cost: _pre_budget 3x, context: NOT *AP ] {
+  TracesAccHigh: INSTANTIATE [ snippet: accumulator, event: 10x ] {
     hypothesis: _Ca2 fullness
       action: [ _CaTraceHigh increase ]
-      else: None
+      cost: None
+    else: None
   }
 
-
   // ########################## Long (hr) ##########################
 
 
@@ -185,40 +185,42 @@ MAIN
   
   // ########################## TracesClearance | Short (ms–s) ##########################
 
-    // , NOT *AP
+    TracesClearance: INSTANTIATE [ snippet: accumulator, event: 30x] {
     
-    TracesClearance: INSTANTIATE [ snippet: accumulator, event: 30x, cost: _pre_budget 3x, context: NOT *AP ] {
       hypothesis: NOT _CaTraceHigh empty
         action: [ _CaTRaceHigh decrease ]
-        else: None
+        cost: None
+      else: None
 
       hypothesis: NOT _CaTraceMedium empty
         action: [ _CaTRaceMedium decrease ]
-        else: None
+        cost: None
+      else: None
 
       hypothesis: NOT _CaTraceLow empty
         action: [ _CaTRaceLow decrease ]
-        else: None
+        cost: None
+      else: None
 
     }
        
-  // ########################## Medium (s–min) ##########################
+  // ########################## eCBClearance | Medium (s–min) ##########################
   
-    // eCBClearance, NOT *AP. 
-    
-    eCBClearenceMedium: INSTANTIATE [ snippet: accumulator, event: 24x, cost: _pre_budget 3x, context: NOT *AP ] {
+    eCBClearenceMedium: INSTANTIATE [ snippet: accumulator, event: 24x ] {
       hypothesis: NOT _eCB empty
         action: [ _eCB decrease ]
-        else: None
+        cost: 
+      else: None
     }
 
-    eCBClearenceLow: INSTANTIATE [ snippet: accumulator, event: 48x, cost: _pre_budget 3x, context: NOT *AP ] {
+    eCBClearenceLow: INSTANTIATE [ snippet: accumulator, event: 48x] {
       hypothesis: NOT _eCB empty
         action: [ _eCB decrease ]
-        else: None
+        cost: 
+      else: None
     }
 
-  // ########################## Long (hr) ##########################
+  // ########################## ??? | Long (hr) ##########################
 
 
 ```
@@ -239,23 +241,25 @@ RECOVER
     // If even one of these "Near-Stop" conditions is met, the rate cannot exceed "Slow," regardless of the other two conditions. 
     // Rate: 0.00 – 0.25
   
-  RPShuttleLow: INSTANTIATE [ snippet: accumulator, event: 24x, cost: _pre_budget 3x, context: NOT *AP ] {
+  RPShuttleLow: INSTANTIATE [ snippet: accumulator, event: 24x ] {
     hypothesis: _CaTraceLow fullness OR _RP emptiness OR _Rrp fullness
       action: [ _RP decrease, _Rrp increase ]
-      else: None
+      cost:
+    else: None
   }
 
     // The "Sub-Optimal" State. The machinery is working, but it's held back by partial limitations. 
     // This covers cases where the signal is steady but the "piston" isn't firing at full speed, 
     // or where a high vacancy in the RRP (emptiness) forces a low signal to work a bit harder. Rate: 0.50 – 0.97
 
-  RPShuttleMedium: INSTANTIATE [ snippet: accumulator, event: 48x, cost: _pre_budget 3x, context: NOT *AP ] {
+  RPShuttleMedium: INSTANTIATE [ snippet: accumulator, event: 48x ] {
     hypothesis: ( _CaTraceMedium fullness AND _RP mediumness AND _Rrp mediumness ) OR 
                 ( _CaTraceHigh fullness AND _RP mediumness AND _Rrp mediumness ) OR   # signal boost
                 ( _CaTraceMedium fullness AND _RP fullness AND _Rrp mediumness ) OR   # supply boost
                 ( _CaTraceMedium fullness AND _RP mediumness AND _Rrp emptiness )     # vacancy boost
       action: [ _RP decrease, _Rrp increase ]
-      else: None
+      cost: 
+    else: None
   }
 
   // ########################## RefillGlutamine | Medium (s–min) ##########################
@@ -264,12 +268,13 @@ RECOVER
     // This represents an active synapse that hasn't reached its absolute peak because either the supply is only 50% 
     // or the \_Rrp isn't empty enough to create that "maximal vacuum" pull. Rate: 1.25 – 1.94
 
-  RefillGlutamine: INSTANTIATE [ snippet: accumulator, event: 24x, cost: _pre_budget 3x, context: NOT *AP ] {
+  RefillGlutamine: INSTANTIATE [ snippet: accumulator, event: 24x ] {
     hypothesis: ( _CaTraceHigh fullness AND _RP fullness AND _Rrp mediumness ) OR   # signal + supply
                 ( _CaTraceHigh fullness AND _RP mediumness AND _Rrp emptiness ) OR  # signal + vacancy
                 ( _CaTraceMedium fullness AND _RP fullness AND _Rrp emptiness )     # supply + vacancy
       action: [ _RP decrease, _Rrp increase ]
-      else: None
+      cost: 
+    else: None
   }
 
 ```
@@ -288,16 +293,18 @@ ADJUST
 
     // qui stiamo attivando e disattivando PRE_VGCC. Fra un massimo full e minimo empty (empty puo' non essere 0)
     
-  VgccCheck: INSTANTIATE [ snippet: accumulator, event: 60x, cost: _pre_budget ] {
+  VgccTun: INSTANTIATE [ snippet: accumulator, event: 60x ] {
   
     condition:  _CaTraceHigh fullness
       hypothesis:  
-        action: cost -3x
+        action:
+        cost: [ _pre_budget decrease 3x ] 
       else: 
         
     condition:  _CaTraceLow fullness
       hypothesis:  
-        action: cost +3x
+        action:
+        cost: [ _pre_budget increase 3x ] 
       else: 
   }
     
@@ -311,49 +318,39 @@ DEVELOP
 
   type: container
 
-  // !NIGHT
+  // !NIGHT | ???
 
-  // ########################## CaFull, *fixed ##########################
+  // ########################## CaFull | ??? ##########################
 
-  Ca2Check: INSTANTIATE [ snippet: contextor, event: 60x, context: *fixed ] {
-    condition: ( empty ) 
-      out_context: *CaFullDecrease
-
-    condition: ( full) 
-      out_context: *Ca2FullIncrease
-  }
-
-    // snippet: *CaFullDecrease
-  CaFullDecrease: INSTANTIATE [ snippet: accumulator, event: 12x, cost: _pre_budget 3x, context: NOT *CaFullDecrease ] {
-    hypothesis: NOT ( full ) AND NOT ( empty ) 
-      action: [ increase,  decrease]
+  Ca2Check: INSTANTIATE [ snippet: accumulator, event: 60x ] {
+  
+    condition: ( empty ) // CaFullDecrease
+      hypothesis: NOT ( full ) AND NOT ( empty ) 
+        action: [ increase,  decrease]
+        cost: 
       else: None
-  }
-  
-    // snippet: *Ca2FullIncrease
-  Ca2FullIncrease: INSTANTIATE [ snippet: accumulator, event: 12x, cost: _pre_budget 3x, context: NOT *Ca2FullIncrease ] {
-    condition: ( empty ) 
-      out_context: *RrpFullDecrease
-
-    condition: ( full) 
-      out_context: *IncreaseRrpFull
-  }
-
-  // ########################## RRPFull: *fixed ##########################
-  
-  RrpCheck: INSTANTIATE [ snippet: contextor, event: 60x, context: *fixed ]
-
-  // snippet: *RrpFullDecrease
-  void: INSTANTIATE [ accumulator: RrpFullDecrease, event: 12x, cost: _pre_budget 3x, context: NOT *RrpFullDecrease  ] {
-    hypothesis: NOT ( full ) AND NOT ( empty ) 
-      action: [ increase,  decrease]
+      
+    condition: ( full) // Ca2FullIncrease
+      hypothesis: NOT ( full ) AND NOT ( empty ) 
+        action: [ increase,  decrease]
+        cost: 
       else: None
   }
 
-  // snippet: *IncreaseRrpFull
-  IncreaseRrpFull: INSTANTIATE [ snippet: accumulator, event: 12x, cost: _pre_budget 3x, context: NOT *RrpFullIncrease  ] {
-    hypothesis: NOT ( full ) AND NOT ( empty ) 
-      action: [ increase,  decrease]
+  // ########################## RRPFull | ??? ##########################
+  
+  RrpCheck: INSTANTIATE [ snippet: accumulator, event: 60x ]
+  
+    condition: ( empty ) // RrpFullDecrease
+      hypothesis: NOT ( full ) AND NOT ( empty ) 
+        action: [ increase,  decrease]
+        cost: 
+      else: None
+      
+    condition: ( full) // RrpFullIncrease
+      hypothesis: NOT ( full ) AND NOT ( empty ) 
+        action: [ increase,  decrease]
+        cost: 
       else: None
   }