I read a blog that I wrote last year about trying to drink coffee soon after a visit to my dentist. The medication has caused my mouth on one side to feel numb.
The side of my mouth not affected by the medication felt like it always did, so I was able to hold my cup on that side and drink without dribbling coffee all over me.
This was all due to one side of my mouth being able to send messages to my brain while the other couldn’t. This transfer of messages via nerves and the brain decoding them reminds me of sending Morse Code using the telegraph. This code is a combination of dots and dashes that represent letters of the alphabet, but the code has to be sent and received by someone who can decode it. The numb part of my mouth couldn’t send messages until the medication wore off.
For a fun informative investigation about blocking nerve messages, see Brain: Nerve Responses
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