We’re all guilty of using the words ‘um’ or ‘ah’ while trying to figure out what we are going to say next, especially when we are nervous. Are you wondering why we make these unusual sounds while trying to think? Well, Dr. Stephen Juan believes he has the answer to this mystery. The reason that we say ‘Um’ or ‘Ah’ while we’re talking is because these sounds are what are referred to as ‘neutral vowel sounds’.
This means that these sounds are the easiest noises that we can make! They are so easy to make that we don’t even need to think about making them, which is why we say them while trying to think of something else to say! Want learn more about these weird words? Check out the source.