Fig. 5.

A Survey responses indicating the actions that trigger the ear rumbling sensation. The bars represent the percentage of respondents in each group who reported being able to trigger ear rumbling with specific movements. The four respondent groups are: those previously aware of their ability to rumble (before survey) in both the general and neurological populations, and those newly aware after the survey, also in both populations. Error bars show the 95% confidence intervals (calculated using the Clopper-Pearson exact method). B Survey responses from participants who were aware of their ability to rumble in isolation, detailing how they acquired this skill