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Table 1 Drink and Feed Tasks Conditions and Corresponding Events

From: Quantifying kinematics of purposeful movements to real, imagined, or absent functional objects: Implications for modelling trajectories for robot-assisted ADL tasks**

Drink

Object Present

Object Imagined

Object Absent

Event 1

Reach to cup

Reach to imaginary cup

Touch center of table (approx. 10 inches from edge)

Event 2

Bring cup to mouth (drink)

Pretend to drink from imaginary cup

Touch mouth

Event 3

Return cup to table

Return imaginary cup to table

Touch center of table again

Event 4

Return to rest

Return to Rest

Return to Rest

Feed

Object Present

Object Imagined

Object Absent

Event 1

Reach to spoon

Reach to imaginary spoon

Touch ND side of table (approx. 7 inches from edge and 7 inches from midline)

Event 2

Bring spoon to bowl to scoop pudding

Pretend to scoop pudding from imaginary bowl

Touch center of table (approx 5 inches from edge)

Event 3

Bring spoon to mouth to eat pudding

Bring imaginary spoon to mouth

Touch mouth

Event 4

Return spoon to table

Return imaginary spoon to table

Touch ND side of table again

Event 5

Return to Rest

Return to Rest

Return to Rest