A Physikalisch-Technische Bundesanstalt project combining acoustics, MEG and fMRI found that humans can actually hear sounds below the assumed 16-hertz lower limit of audibility, and that the auditory cortex lights up in response to infrasound the ear was long thought to ignore entirely

• Source: NewsAPI.org • 37 words, ~1 min read

A Physikalisch-Technische Bundesanstalt collaboration combined precision acoustics with MEG and fMRI and found the human auditory cortex responds to infrasound below the classical 16 Hz limit, matching a proposed cochlear mechanism in which outer hair cells g…