Anti-flicker?

Hi

Using Adobe Premiere Elements.

Done some research and discovered that motion blur (or fast/gaucissan – what’s the difference?) helps smoothness of panning shots.
Just seen the anti-flicker option under the motion setting on the video footage. What does this do?

via Video Editing Forums: Digital Director – Adobe Premiere, Premiere Elements, and After Effects http://www.videoforums.co.uk/adobe-premiere-premiere-elements-after-effects/44705-anti-flicker.html