4 D ISC U S SIO N ............................................................................... 39

 Prim ary A im .......................................39
 M measures of B olus Transit........................................................ ............... 39
 Measures of Penetration/Aspiration .............. ..............................................42
 Q quality of Life .............................................................................. 43
 Exploratory Study ............... ................. ......................... ............ 44
 Lim stations and Strengths ........................................................................... 47
 Im plications for Future R esearch.......................................... ........... ............... 48
 Implications for Swallow Intervention ........... ................................. ...............48

APPENDIX

A UNIFIED PARKINSON'S DISEASE RATING SCALE (UPDRS).......................50

B TH E SW A L -Q O L SU R V EY ........................................................... .....................56

B IO G R A PH IC A L SK E TCH ..................................................................... ..................74