Posted 22 January 2013 - 07:21 PM
Just something for everyone to ponder, as I keep seeing 'pain' projected onto other species the same as it is in human beings.
I will liken the brain to a computer, more specifically RAM and cache memory. Your brain executes several processes all at once (RAM) and remembers past experiences (cache memory).
The human brain is capable of more RAM and cache memory than any other known species. With this said, think of video game consoles (computers that were specified for game playing). We're a current console (Xbox 360, PS3), and the fish are an atari (in reality, for comparison, they're probably closer to the original 'Pong' game). Our current consoles are able to process more information that appeals to our sensory organs (sight, sound, and feel, thanks to rumbling in the controllers). Right now, play an RPG and the world you are playing in is very convincing; the sights you see are incredible, the sound effects are extremely accurate, and when I get hit with a weapon from behind, I know because of the rumbling my controller does. All of that takes a lot of processing power, more than previous consoles could produce.
In real life, pain is part of our sense of touch. We have more RAM (processing power) than fish, so we will have a more detailed sense of pain in comparison to the fish. So when a fish is hooked, it isn't feeling the same thing you feel when you accidentally hook your own lip.
What exactly it feels is what's being discussed, but no one should be using how it would make us feel as a comparison, as our brains are exponentially more advanced than a fish.