Fig. 1
From: Alternative headphones for patient noise protection and communication in PET-MR studies of the brain

Left: standard pneumatic headphone (Siemens), right: earphones (3M) connected to the pneumatic audio system of the MR
From: Alternative headphones for patient noise protection and communication in PET-MR studies of the brain
Left: standard pneumatic headphone (Siemens), right: earphones (3M) connected to the pneumatic audio system of the MR