Figure 3. Screenshots
highlighting the
caregiver’s stationary
device interface.
(a) The user signs into
a secure application,
(b) positions his or her
face inside the phone
outline via webcam
Results
The main purpose of the pretrial evaluation
was to gather feedback regarding the stability
and the usability of the system prior to a full
trial. For the initial trial group, we recruited
three young controls, two elderly controls,
and four people with mild dementia. All trials
lasted approximately three days each during
which six personalized prerecorded video
reminders were delivered to each participant
via the PMD. On the first day of system use,
we provided training for each of the users and
their caregivers..