its called auditory recruitment. basically, when we yawn, the muscles in our middle ear contract and that can mess with the movement of the eardrum and the tiny bones in our ear. these changes can alter the way sound waves are transmitted and result in temporary changes in hearing.
AyunaAni t1_j2bqc3u wrote
Reply to Eli5: Why when you yawn your hearing goes down? by Big_carrot_69
its called auditory recruitment. basically, when we yawn, the muscles in our middle ear contract and that can mess with the movement of the eardrum and the tiny bones in our ear. these changes can alter the way sound waves are transmitted and result in temporary changes in hearing.