This pitch accent is phonetically realized as a fall within the accented syllable. The start of the fall is aligned with the beginning of the accented syllable and the end of the fall is aligned (roughly) with the end of the stressed syllable.
It is found in nuclear position in confirmatory and imperative yes-no questions.
Example: Confirmatory yes-no question
¿Es Maria quien viene?
[Is it Mary who is comming?]
Example: Imperative yes-no question
¿Queréis callar?
[Will you shut up?]
