“…Idea density uses elements of language, verbs, adjectives, adverbs, prepositions, and conjunctions divided by the number of words to create a measure of cognitive ability (Brown et al, 2008). Garrard et al (2005) were also instrumental in highlighting Alzheimer's disease through changes in writing and used a different approach which included some other elements of language (nouns, verbs, adverbs and adjectives and function words, e.g., conjunctions, and pronouns) to create word lists.…”