Identify the term used for repeated phrases or sentences in speech as seen in MoCA evaluations.

The term "perseveration" specifically refers to the persistent repetition of a response, behavior, or thought beyond its appropriate context. In MoCA evaluations, this phenomenon often manifests when an individual continuously repeats a particular phrase or sentence even when it is no longer relevant to the conversation. This behavior can indicate difficulties in cognitive processing or speech production, making it a significant observation in evaluating language and cognitive function.

The other terms, while related to repetition in some contexts, do not capture the same specificity as "perseveration." Repetition is a broader term that can apply to any instance of saying something again but does not imply inappropriate or excessive continuation. Redundancy generally means providing more information than necessary, which doesn’t reflect the repetitive nature of perseveration in speech. Echoing often refers to the immediate repeating of what someone else has said, particularly in a context where the speaker is imitating rather than responding thoughtfully. Thus, "perseveration" correctly identifies the distinct speech pattern characterized by unwanted and persistent repetition relevant to MoCA evaluations.