diff --git a/SNNBot_garage/src/SNNBot.nim b/SNNBot_garage/src/SNNBot.nim
index 1d6e151..a1b8864 100644
--- a/SNNBot_garage/src/SNNBot.nim
+++ b/SNNBot_garage/src/SNNBot.nim
@@ -399,7 +399,14 @@ method run*(bot: SNNBot) =
           # correctAngle must be [0,360): targetRel is -180..180, shift it
           var correctAngle = targetRel + 180.0
           let aimRaw = bot.res.forward(bot.lastBinInput)
-          bot.res.learn(bot.lastBinInput, correctAngle)
+          # Dead zone: only learn if aim error > 1.5° (prevents ring buffer churn)
+          if aimRaw >= 0.0:
+            let aimErr = abs(normalizeRelativeAngle(aimRaw - correctAngle))
+            if aimErr > 1.5:
+              bot.res.learn(bot.lastBinInput, correctAngle)
+          else:
+            # Cold start: always learn
+            bot.res.learn(bot.lastBinInput, correctAngle)
           let aimErr = if aimRaw >= 0.0: abs(normalizeRelativeAngle(aimRaw - correctAngle)) else: -1.0
           echo "RES tick=" & $bot.tick &
                " aim=" & (if aimRaw >= 0.0: formatFloat(aimRaw, ffDecimal, 1) else: "cold") &