What type of errors does a graphemic buffer deficit produce?
Incorrect responses result in letter errors
No influence of lexicality or phonological plausibility
Substitution (craw) Additions (calaw) Deletions (caw) Exchanges (cwal) Shifts (lacw)
Affects output from lexical and sublexical routes: similar error patterns for words and non words
Affects spelling across input and output modalities: deficits observed across a range of spelling tasks
What is the graphemic buffer?
Working memory component of spelling
Holds information about grapheme identity and position of letters
What influences the graphemic buffer deficit?
1) length effects: longer words more prone than shorter words
2) serial position effects: letters in middle of word more prone