From the Los Angeles Times: Cellphone conversations we overhear really bug us. “Hafalogues” distract, annoy, and impair, says a study:
[P]articipants were seated at computers and asked to perform various cognitive tests while exposed to one of the three sounds or silence. Hearing the halfalogue was the only background noise that distracted the study participants and lowered their scores on the cognitive tests.
Posted by Will Baum, LCSW