diff --git a/interface/src/Head.cpp b/interface/src/Head.cpp
index 78ea7f950c..d69a3fa35f 100644
--- a/interface/src/Head.cpp
+++ b/interface/src/Head.cpp
@@ -73,25 +73,43 @@ void Head::reset()
 void Head::UpdatePos(float frametime, SerialInterface * serialInterface, int head_mirror, glm::vec3 * gravity)
 //  Using serial data, update avatar/render position and angles
 {
+    
+    const float PITCH_ACCEL_COUPLING = 0.5;
+    const float ROLL_ACCEL_COUPLING = -1.0;
     float measured_pitch_rate = serialInterface->getRelativeValue(PITCH_RATE);
     float measured_yaw_rate = serialInterface->getRelativeValue(YAW_RATE);
-    float measured_lateral_accel = serialInterface->getRelativeValue(ACCEL_X);
-    float measured_fwd_accel = serialInterface->getRelativeValue(ACCEL_Z);
+    float measured_lateral_accel = serialInterface->getRelativeValue(ACCEL_X) -
+                                ROLL_ACCEL_COUPLING*serialInterface->getRelativeValue(ROLL_RATE);
+    float measured_fwd_accel = serialInterface->getRelativeValue(ACCEL_Z) -
+                                PITCH_ACCEL_COUPLING*serialInterface->getRelativeValue(PITCH_RATE);
     float measured_roll_rate = serialInterface->getRelativeValue(ROLL_RATE);
     
+    //std::cout << "Pitch Rate: " << serialInterface->getRelativeValue(PITCH_RATE) <<
+    //    " fwd_accel: " << serialInterface->getRelativeValue(ACCEL_Z) << "\n";
+    //std::cout << "Roll Rate: " << serialInterface->getRelativeValue(ROLL_RATE) <<
+    //" ACCEL_X: " << serialInterface->getRelativeValue(ACCEL_X) << "\n";
+    //std::cout << "Pitch: " << Pitch << "\n";
+    
     //  Update avatar head position based on measured gyro rates
-    const float HEAD_ROTATION_SCALE = 0.80;
-    const float HEAD_ROLL_SCALE = 0.80;
-    const float HEAD_LEAN_SCALE = 0.03;
-    if (head_mirror) {
-        addYaw(-measured_yaw_rate * HEAD_ROTATION_SCALE * frametime);
+    const float HEAD_ROTATION_SCALE = 0.70;
+    const float HEAD_ROLL_SCALE = 0.40;
+    const float HEAD_LEAN_SCALE = 0.01;
+    const float MAX_PITCH = 45;
+    const float MIN_PITCH = -45;
+    const float MAX_YAW = 85;
+    const float MIN_YAW = -85;
+
+    if ((Pitch < MAX_PITCH) && (Pitch > MIN_PITCH))
         addPitch(measured_pitch_rate * -HEAD_ROTATION_SCALE * frametime);
-        addRoll(-measured_roll_rate * HEAD_ROLL_SCALE * frametime);
+    addRoll(-measured_roll_rate * HEAD_ROLL_SCALE * frametime);
+
+    if (head_mirror) {
+        if ((Yaw < MAX_YAW) && (Yaw > MIN_YAW))
+            addYaw(-measured_yaw_rate * HEAD_ROTATION_SCALE * frametime);
         addLean(-measured_lateral_accel * frametime * HEAD_LEAN_SCALE, -measured_fwd_accel*frametime * HEAD_LEAN_SCALE);
     } else {
-        addYaw(measured_yaw_rate * -HEAD_ROTATION_SCALE * frametime);
-        addPitch(measured_pitch_rate * -HEAD_ROTATION_SCALE * frametime);
-        addRoll(-measured_roll_rate * HEAD_ROLL_SCALE * frametime);
+        if ((Yaw < MAX_YAW) && (Yaw > MIN_YAW))
+            addYaw(measured_yaw_rate * -HEAD_ROTATION_SCALE * frametime);
         addLean(measured_lateral_accel * frametime * -HEAD_LEAN_SCALE, measured_fwd_accel*frametime * HEAD_LEAN_SCALE);        
     } 
 }
@@ -116,9 +134,9 @@ void Head::simulate(float deltaTime)
     if (!noise)
     {
         //  Decay back toward center 
-        Pitch *= (1.f - DECAY*deltaTime); 
-        Yaw *= (1.f - DECAY*deltaTime);
-        Roll *= (1.f - DECAY*deltaTime);
+        Pitch *= (1.f - DECAY*2*deltaTime);
+        Yaw *= (1.f - DECAY*2*deltaTime);
+        Roll *= (1.f - DECAY*2*deltaTime);
     }
     else {
         //  Move toward new target