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Rattle snake head bites its headless body

Shadow Wolf

Certified People sTabber
Seems cruel. The poor creature has died, nerves are going crazy, and twitches and such happen. I forget it, but there's even name for it, with post-mortum twitches being more likely to happen from a violent death.
 

Shadow Wolf

Certified People sTabber
Kind of weird how the body reacts to being bitten.
I suppose not all of the response circuitry occurs in the brain.
Think of it like a biological electric circuit. Things can still move even though the main power source isn't, with individual components having some potential to some degree for movement still.
 

Nakosis

Non-Binary Physicalist
Premium Member
Think of it like a biological electric circuit. Things can still move even though the main power source isn't, with individual components having some potential to some degree for movement still.

I read some thinking/decision making occurs in the spinal cord.
Sometimes the body needs to react to stimulus before signals can reach the brain.
 

Polymath257

Think & Care
Staff member
Premium Member
Yes, in reptiles information processing is more distributed: the 'reflex' aspects of the spinal cord are more important for overall behavior than what happens in mammals (which have a frontal cortex in their brains for planning).

Also, death is not instantaneous (it isn't in mammals either, but it is quicker) because of the metabolism (cold-bloodedness requires less energy): there are enough energy reserves to allow movement for quite some time.

This is more likely in cases whether death occurs because of detachment of the head (as opposed to, say, starvation) because those energy reserves are still there.

This is one reason to be very careful of the head of a poisonous snake: even if severed from its body, it can still bite and deliver poison.
 
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amorphous_constellation

Well-Known Member
Yes, in reptiles information processing is more distributed: the 'reflex' aspects of the spinal cord are more important for overall behavior than what happens in mammals (which have a frontal cortex in their brains for planning).

Must kind of be that way in fish too. There's a video of someone washing fish fillets in the sink, no guts, no head, nothing.. Just fillets ready to cook, and they started flipping out
 

Polymath257

Think & Care
Staff member
Premium Member
Must kind of be that way in fish too. There's a video of someone washing fish fillets in the sink, no guts, no head, nothing.. Just fillets ready to cook, and they started flipping out


Yes, you would find this in fish, amphibians, and reptiles. Birds and mammals have a more developed nervous system and a brain capable of more processing.
 
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