The subject is a subtype of the object.

The 3-Back test is-a-kind-of N-Back test.

1. concept-concept relationships (54 assertions reference this context)

2. task-task relationships (5 assertions reference this context)

17 assertions invoke this relation:

working memory is a kind of memory   

spatial working memory is a kind of working memory   

semantic working memory is a kind of working memory   

auditory working memory is a kind of working memory   

response inhibition is a kind of executive function   

reading is a kind of visual object recognition   

letter n-back task is a kind of n-back task   

face n-back task is a kind of n-back task   

semantic knowledge is a kind of long term memory   

agglutinative language is a kind of language   

verb is a kind of word   

visual object recognition is a kind of visual perception   

homonym is a kind of word   

pseudohomophone is a kind of pseudoword   

homophone is a kind of word   

semantic memory is a kind of memory   

working memory is a kind of cognitive control