Parkinson vocal project teaches ways to talk with intent. Once you have that training you start to do every thing with intent. This by--passes the brains normal automatic system. PVP .provides a free 20 minute online session daily. These daily practice sessions are free. Their website has a wealth off information about using intent I our daily lives. This is now 2:00 am and I am dealing with insomnia right now and I am having trouble typing so I have to quit trying to type.
90% of people with PD will experience problems with speaking and swallowing in their life time. You should check out this free help.

Staying in the present moment, with focus, works best, plus always holding onto my cane, walker,or furniture whether standing or moving.

Being conscious of the area around you and any obstacles is important!

I frequently tell or remind friends and family that I don't do "hurry up" very well.
That tells us both to slow down.

I make certain the floor is clear. My wife is good about making sure there is nothing on the floor where I walk. I also make sure I am intentional. I try not to walk with my hands full. I look at my path before I get moving. I look for places I can steady myself on. The big help was expensive but vital. We had all of the carpet ripped up and had engineered hard wood installed throughout the house. No thresholds!