diff --git a/1.3/Defs/HediffDefs/Hediffs_BodyParts.xml b/1.3/Defs/HediffDefs/Hediffs_BodyParts.xml
index 3b6fad3..4f71266 100644
--- a/1.3/Defs/HediffDefs/Hediffs_BodyParts.xml
+++ b/1.3/Defs/HediffDefs/Hediffs_BodyParts.xml
@@ -156,7 +156,7 @@
       <li>
         <statOffsets>
           <PsychicSensitivity>1.0</PsychicSensitivity>
-          <GlobalLearningFactor>1.75</GlobalLearningFactor>
+          <GlobalLearningFactor>1.20</GlobalLearningFactor>
           <ResearchSpeed>0.9</ResearchSpeed>
           <MentalBreakThreshold>0.08</MentalBreakThreshold>
         </statOffsets>