nerves communicate to the brain. The hearing nerve then sends the information to the brain with electrical impulses, where they are interpreted as sound.
Does this actually mean a brain is actually processing auditory signals at 18 weeks of human development, or at 18 weeks it's actually some process which somehow doesnt involve the brain processing information? Perhaps the conclusion might seem obvious for some , but not for me considering the supposed inability of the brain to process several others (or any other?) kind of signals at that stage, such as pain At what stage is the nervous system developed enough to interpret neuronal signals as 'pain'? and being the hearing experience directly connected to pain sometimes.