earaction
Earaction is a term that can refer to a few different concepts, primarily related to the auditory system or the act of responding to sound. In the context of audiology, earaction might describe the physical or physiological responses of the ear to sound stimuli. This could include movements of the eardrum or middle ear ossicles, or even more subtle neural responses. These actions are fundamental to the process of hearing, converting sound waves into electrical signals that the brain can interpret.
Alternatively, earaction can be used more colloquially to mean paying attention or responding to something heard.