boston classification system
most common classification system for aphasia.
factors considered during assessment of aphasia subtypes include
phrase length is determined by
average of 3 longest utterances
fluent speech
at least 9+ words in length
fluent aphasias
9+ words of phrase length
subcortical aphasias
5-9 words of phrase length
nonfluent aphasias
0-5 words of phrase length
auditory comprehension skills include
understanding of 1&2 step directions, yes/no questions, wh- questions, and conversations
tests of repetition includes
repeating single words, phrases, and sentences
variables that affect repetition skills
-frequency of word occurence in language
-word and sentence length
-phonological complexity
-parts of speech
-syntactic complexity
-semantic categories
-emotional valence
-premorbid vocabulary
better performance is expected with
high frequency, single-syllable words (pen, phone, bread)
worst performance is expected with
mutlisyllabic, phonologically complex, low frequency words
atypical forms of aphasia