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Perseveration Definition & Meaning - Merriam-Webster
Perseveration - Wikipedia
PERSEVERATION definition | Cambridge English Dictionary
PERSEVERATION Definition & Meaning | Dictionary.com
Perseveration - Definition, Meaning & Synonyms
APA Dictionary of Psychology
Perseveration - definition of perseveration by The Free Dictionary
Perseveration Definition & Meaning | YourDictionary
PERSEVERATION definition and meaning | Collins English Dictionary
Perseveration | SpringerLink
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