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Factors Influencing Perseverative Responses

Phonological Relatedness

Overall Level of Difficulty

Semantic Relatedness

Syllable or Word Structure

Lexical/Word Frequency

Overlap of semantic features causes similarities

Lower frequency words are at an increased chance of perseveration

Similar or identical phonological features in the onset, nucleus and/or coda or a word

Pertaining to individual task, test or items, and/or the order of the tasks

Similarities in syllable structure, word form, and/or word length

cat - mat

bag - sag

hone - home

Frequent words - the, I, yes, no, etc.

Infrequent words

- library, squid, celery

Word frequency depends on individual environment

Consonant vowel structure of words

CV - go - bo

CVC cat - bad

VC am - at

Verbal name vs description of function

Open ended questions vs yes/no questions

Spoken response vs Written response

Cat - Animal, four legs, fur, likes mice

Dog - Animal, four legs, fur, not interested in mice

Lizard - Animal, four legs, no fur, not interested in birds

References

Beard, J., Dr. (2018, March 31). Chapter 2 Paraphasias. Lecture presented at Aphasia and Traumatic Brain Injury Course in Northeastern State University, Broken Arrow, Oklahoma.

Coppens, P., & Patterson, J. L. (2018). Aphasia rehabilitation: Clinical challenges. Burlington, MA: Jones & Bartlett Learning.

Stark, J. (2011). Treatment of Verbal Perseveration in Persons With Aphasia. Perspectives on Neurophysiology and Neurogenic Speech and Language Disorders, 21(4), 152. doi:10.1044/nnsld21.4.152