Functional echolalia in autism speech: Verbal formulae and repeated prior utterances as communicative and cognitive strategies.

Xie et al. (2023) watched eight autistic preschoolers during free play and snack. They wrote down every echoed phrase and asked what the child was doing right after.

The team looked for times the echo helped the child name, describe, or keep a topic alive. They called these 'functional' echoes.

Every child used echolalia on purpose. They echoed to label toys, tell what they wanted, or push the talk forward.

Echoes were not random noise; they worked like stepping-stones until the kids had new words ready.

Wearden (1983) and Hanley et al. (1997) already showed that letting a child echo the label right before choosing the item speeds up receptive naming. Xie’s team widens the view: the same echo can also start a comment or a request.

Bachman et al. (1988) saw echolalia drop as language grew. Xie agrees, but adds the drop happens because the child now has other tools; the echoes were useful all along.

Delamater et al. (1986) looks like a clash. They stamped out echolalia in an adult and cheered when it left. Xie flips the script: don’t kill it, mine it for communication. The fight is only on paper—J worked with an adult who echoed wrong answers; Xie watched preschoolers who echoed to talk. Age and goal differ, so both can be true.

When you hear an echo, don’t rush to ‘extinguish.’ Wait, watch, and respond as if the child just spoke. Echo back with one new word to model expansion. This simple turn-taking respects the child’s bridge and gives the next plank.