Table 1 Trial inclusion and exclusion criteria

Applies to Both the Person with PPA and Co-Enrolled Healthy Adult Communication Partner

Adults (18+ years of age). No maximum age limit.

English is primary language used in daily communication activities (self-report)

Adequate hearing (aided or unaided) for communicating with others in a crowded room (self-report)

Adequate vision (aided or unaided) for reading a newspaper, or other functional materials (self-report)

Able to pass technology screening^a and demonstrates sufficient knowledge for use of video conference and Communication Bridge^TM web application use (with or without training)

Applies to Person with PPA Only

Geriatric Depression Scale score ≤ 9 

Mild-moderate language symptoms informed by a structured interview with a speech-language pathologist and by the following assessments: BDAE Spontaneous Speech task (‘Cookie Theft’ stimulus) scored using an adapted version of the WAB-R scoring system [61]; BDAE Repetition subtest: high probability words; NACC-FTLD Module noun naming subtest ≥ 80% (if score is 80 or lower, the NACC-FTLD word-picture matching is used to verify severity level).