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Fig. 1 | BMC Neurology

Fig. 1

From: Efficacy of different interaction devices using non-immersive virtual tasks in individuals with Amyotrophic Lateral Sclerosis: a cross-sectional randomized trial

Fig. 1

Graphic representation of an individual with ALS using the motion tracking (a), the finger motion control (b) and the touchscreen interface (c) during a proposed virtual task. a (upper left) initial screen of the task with 126 bubbles; (middle left) individual defines the skill zone by touching the screen for 10 s; (bottom left) researcher defines a target bubble in the center of bottom of the range line; (upper right) individual touches the bubble that appears randomly (in the chase area); (middle right) a return to bubble target; (bottom right) some touches are in a bubble outside the chase area, challenging the limits of the individual. The protocol was the same for all interfaces

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