Test indices included in cognitive composites
| Domain | Measures contributing to the composite |
|---|---|
| Executive functioning | Phonemic Verbal Fluency Index (VFI)7: words beginning with ‘S’ and 4-letter words beginning with ‘C’, adjusted for motor disability |
| Semantic VFI7: ‘animal’ and ‘food’ words adjusted for motor disability | |
| Hayling Sentence Completion Test19: latency score (time difference between completion of unconnected and connected sentences) | |
| Brixton Spatial Anticipation Test19: total number of errors | |
| Card Sorting test from Delis–Kaplan Executive Function System20: sorting score (maximum—score) and description score (maximum—score) | |
| Language | Cookie Theft Picture (from the Boston Diagnostic Aphasia Examination)21: Complexity Index |
| British Picture Vocabulary Scale-II22: total number of errors | |
| Test of Reception of Grammar-second edition-223: number of blocks failed | |
| Boston Naming Test24: total number of errors | |
| Category Specific Names Test25: total number of errors | |
| Oral and Written Naming of Nouns and Verbs26: total number of errors | |
| Judgement of Synonyms Subtest from Psycholinguistic Assessment of Language Processing in Aphasia27: total number of errors | |
| Graded Difficulty Spelling Test28: total number of errors | |
| Pyramids and Palm Trees29: total number of errors | |
| Kissing and Dancing Test30: total number of errors | |
| Spot the Word Test31: total number of errors |