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MotorBrain: A mobile app for the assessment of users’ motor performance in neurology
Authors:Vianello A., Chittaro L., Burigat S., Budai R.
Published in:Computer Methods and Programs in Biomedicine, 143, May 2017, pp. 35–47.
Abstract:Background and Objective: Human motor skills or impairments have been traditionally assessed by neurologists by means of paper-and-pencil tests or special hardware. More recently, technologies such as
digitizing tablets and touchscreens have offered neurologists new assessment possibilities, but their use
has been restricted to a specific medical condition, or to stylus-operated mobile devices. The objective of
this paper is twofold. First, we propose a mobile app (MotorBrain) that offers six computerized versions
of traditional motor tests, can be used directly by patients (with and without the supervision of a clinician), and aims at turning millions of smartphones and tablets available to the general public into data
collection and assessment tools. Then, we carry out a study to determine whether the data collected by
MotorBrain can be meaningful for describing aging in human motor performance.
Methods: A sample of healthy participants (N = 133) carried out the motor tests using MotorBrain on a
smartphone. Participants were split into two groups (Young, Old) based on their age (less than or equal
to 30 years, greater than or equal to 50 years, respectively). The data collected by the app characterizes
accuracy, reaction times, and speed of movement. It was analyzed to investigate differences between the
Results: The app does allow measuring differences in neuromotor performance. Data collected by the app
allowed us to assess performance differences due to the aging of the neuromuscular system.
Conclusions: Data collected through MotorBrain is suitable to make meaningful distinctions among different kinds of performance, and allowed us to highlight performance differences associated to aging.
MotorBrain supports the building of a large database of neuromotor data, which can be used for normative purposes in clinical use.