MoCA Cube Copying (Three-Dimensional Copy)

Question 1

In the MoCA, what geometric figure is the examinee asked to copy in the three-dimensional copy task?

Accepted Answer

A three-dimensional cube

Answer

A two-dimensional square

Answer

A pyramid viewed from the side

Answer

A cylinder

Question 2

Which of the following criteria must be met to earn the 1 point on the MoCA cube copy task?

Accepted Answer

The drawing must be three-dimensional, all lines present, and no incorrect lines added

Answer

The drawing must be shaded or hatched to indicate depth

Answer

The drawing must be the same size as the stimulus figure

Answer

The drawing must be completed within 60 seconds

Question 3

How many points is the cube copy task worth on the MoCA?

Accepted Answer

1 point

Answer

3 points

Answer

2 points

Answer

5 points

Question 4

What is the primary cognitive function assessed by the MoCA cube copy task?

Accepted Answer

Visuoconstructional ability

Answer

Verbal memory encoding

Answer

Phonological processing

Answer

Sustained auditory attention

Question 5

How does the cube copy task differ from the clock drawing task in what it primarily measures on the MoCA?

Accepted Answer

The cube copy tests pure 3D visuoconstructional ability while clock drawing additionally requires executive planning and number knowledge

Answer

The cube copy tests planning and temporal concepts while clock drawing tests spatial construction

Answer

The cube copy is timed while clock drawing has no time limit

Answer

The cube copy is worth more points than clock drawing

Question 6

If an examinee draws a two-dimensional square instead of a three-dimensional cube on the MoCA, how should this be scored?

Accepted Answer

0 points, because the drawing is not three-dimensional

Answer

1 point, because all lines are present and no lines are added

Answer

0.5 points as partial credit for correct line count

Answer

1 point if the square is drawn accurately