Table 1 Timing of study sessions and procedures

Timing

Day 1

Days 2–14

Day 15

Week 3

Week 7

Week 15

 Informed consent

x

 Demographics

x

Neurologist assessment

 General Neurological Exam

x

 Montreal Cognitive Assessment

x

 Unified Parkinson’s Disease Rating Scale

x

 Time Up and Go Test

x

x

 Functional Gait Assessment

x

x

 Berg Balance Scale

x

x

 Mechanized measurements (SMART EquiTest Balance Master®)

x

x

 Fall Efficacy Scale

x

x

x

x

x

 Activities-specific Balance Confidence Scale

x

x

x

x

x

 Parkinson’s Disease Questionnaire-39

x

x

x

x

x

 New Freezing of Gait Questionnaire

x

x

x

x

x

 Patient-Centered Outcome Questionnaire-Parkinson’s disease

x

 Patient’s Global Impression of Change

x

x

x

x

 Randomization and allocation

x

 Prism adaptation training

x

 Real/sham adaptation treatment (2x per day)

x

 Logbook

x

 Post-treatment interview (guess condition)

x