MoCA Abstract Thinking 3

Question 1

The two standard word pairs used in the MoCA abstraction task are:

Accepted Answer

Train/bicycle and watch/ruler

Answer

The official MoCA uses "train/bicycle" and "watch/ruler" as the two word pairs for the abstraction domain. These pairs were chosen because they have clear categorical similarities.

Question 2

A patient states that a watch and a ruler are alike because "my grandfather had one." This response should be scored as:

Accepted Answer

0 points — it is not a valid categorical similarity

Answer

A personal association that does not identify a meaningful categorical or functional relationship earns 0 points. The examiner should not coach during the second pair.

Question 3

Which cognitive ability is MOST directly assessed by the MoCA abstraction task?

Accepted Answer

Abstract thinking and categorical reasoning

Answer

Abstract thinking involves moving beyond concrete, surface-level descriptions to identify shared conceptual categories, which is what the MoCA abstraction pairs specifically test.

Question 4

How does a score of 0 on both abstraction pairs affect the total MoCA score?

Accepted Answer

It reduces the total by 2 points

Answer

The abstraction domain is worth 2 points total. Scoring 0 on both pairs reduces the total MoCA score by 2, which can be clinically meaningful near the normal/impaired cutoff.

Question 5

Why is abstract thinking included in the MoCA rather than just memory tests?

Accepted Answer

To detect frontal-executive deficits not captured by memory tasks alone

Answer

MCI and early dementia affect multiple cognitive domains beyond memory. Including abstraction allows the MoCA to detect frontal/executive dysfunction that memory tasks alone would miss.

(MoCA) Montreal Cognitive Assessment Practice Test

(MoCA) Montreal Cognitive Assessment Practice Test

MoCA Abstract Thinking 3