diff --git a/code/useful_functions.py b/code/useful_functions.py
index 354b04b..cd83e83 100644
--- a/code/useful_functions.py
+++ b/code/useful_functions.py
@@ -356,7 +356,7 @@ def spike_times(stim):
     return spikes, stim_dur, dt # se changed spike_times to spikes so its not the same as name of function
 
 
-def valid_integrals(integral, local_mean, threshold, point):
+def valid_integrals(integral, local_mean, point, threshold = 0.5):
     """
     Check if the integral exceeds the threshold compared to the local mean and 
     provide feedback on whether the given point is valid or not.
@@ -379,7 +379,7 @@ def valid_integrals(integral, local_mean, threshold, point):
     message : str
         A message stating whether the point is valid or not.
     """
-    valid = integral > (local_mean * threshold)
+    valid = integral > (local_mean * (1 + threshold))
     if valid:
         message = f"The point {point} is valid, as its integral exceeds the threshold."
     else: