diff --git a/src/IronpenGPU.jl b/src/IronpenGPU.jl
index ec02dec..6af6e96 100644
--- a/src/IronpenGPU.jl
+++ b/src/IronpenGPU.jl
@@ -28,7 +28,7 @@ using .interface
 """ version 0.0.9
     Todo:
         [DONE] change madel error calculation in user script, (progress based)
-        [1*] +W 90% of most active conn
+        [DONE] +W 90% of most active conn
         [2] -W 10% of less active conn
         [3] synapse reconnect delay counter
         [-] add temporal summation in addition to already used spatial summation.
diff --git a/src/forward.jl b/src/forward.jl
index 10507c0..8e85723 100644
--- a/src/forward.jl
+++ b/src/forward.jl
@@ -320,6 +320,7 @@ function lifForward(    zit,
                                 if synapseReconnectDelay[i1,i2,i3,i4] == 0
                                         # mark timestep
                                         synapseReconnectDelay[i1,i2,i3,i4] = sum(timeStep)
+                                        wRec[i1,i2,i3,i4] = -1.0        # mark for reconnect
                                 end
                         end
 
@@ -526,6 +527,7 @@ function alifForward(   zit,
                                 synapseReconnectDelay[i1,i2,i3,i4] -= 1 
                                 if synapseReconnectDelay[i1,i2,i3,i4] == 0
                                         synapseReconnectDelay[i1,i2,i3,i4] = sum(timeStep)
+                                        wRec[i1,i2,i3,i4] = -1.0        # mark for reconnect
                                 end
                         end
                         # voltage regulator
diff --git a/src/learn.jl b/src/learn.jl
index 0980b6f..5b5e721 100644
--- a/src/learn.jl
+++ b/src/learn.jl
@@ -607,7 +607,6 @@ function neuroplasticity(synapseConnectionNumber,
         mask_2 .*= 1 .+ eta  # minor activity synapse weight will be reduced by eta
         wRec .*= mask_2
 
-        #WORKING should i -w only for activated synapse only or ALL synapse. activated synapse representing this signal e.g. number 3
         # -w, synapse with less than 10% of avg activity get reduced weight by eta
         mask_less = isless.(synapticActivityCounter, lowerlimit)   # 1st criteria
         
@@ -616,14 +615,16 @@ function neuroplasticity(synapseConnectionNumber,
         wRec .*= mask_3
 
         # -w all non-fire connection except mature connection
-        mask_notmature = isless.(wRec, 0.1) # 2nd criteria, weak synapse has weight < 0.1
+        mask_notmature = isless.(wRec, 0.1) # 2nd criteria, not mature synapse has weight < 0.1
         mask_1 = alltrue.(mask_inactiveSynapse, mask_notmature)
         mask_1 .*= 1 .- eta
         wRec .*= mask_1
 
         # prune weak connection
+        # mark weak / negative synaptic connection so they will get randomed in neuroplasticity()
+        wRec = GeneralUtils.replaceBetween.(wRec, 0.0, 0.01, -1.0)  # mark with -1.0
 
-        # rewire synapse connection
+        #WORKING rewire synapse connection
 
 
     elseif progress == 0    # no progress, no weight update, only rewire