Figure 4From: The feasibility of using haptic devices to engage people with chronic traumatic brain injury in virtual 3D functional tasksSandwich making. The user needs to make a sandwich. A piece of bread needs to be picked, the peanut butter jar needs to be opened, peanut butter and jelly need to be spread using the knife, and finally a second piece of bread needs to be added. Left: start state. Right: the state before adding the second piece of bread.Back to article page