:Delayed auditory feedback:

A technique whereby a speaker’s voice is replayed to them as they speak, but with a slight delay. This can cause severe disruption in the speaker’s ability to control speech movements. The amount of disruption depends on the duration of the delay.

Abbreviation: DAF

Click on the ear icon to hear a sample of DAF speech. The delay is 125ms. The delay was switched off immediately after the word agreed.