Educational reference
About this symptom
This describes acting or speaking before it is one's turn: finishing others' sentences, answering before a question is complete, intruding into conversations or activities, and finding waiting genuinely uncomfortable.
Impulsivity in this sense concerns the timing of a response rather than its content or intent. The person usually knows the social expectation and can describe it accurately afterwards; the difficulty is the gap between impulse and action being short.
The effects are mostly relational. Interrupting is easily read as rudeness, self-importance or lack of interest, when the experience being described is closer to difficulty holding a response back. Repeated misreadings of this kind can affect friendships, family relationships and work.
Strategies tend to focus on creating a gap: noting responses rather than voicing them immediately, agreeing signals with people who are often interrupted, and structuring conversations so turns are explicit.
This is distinct from impulsivity involving risk, which is an associated feature for some people rather than a defining one.