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Brainless blob can think and make decisions


Posted on Monday, 26 July, 2021 | Comment icon 10 comments

Even a brainless blob can make decisions. Image Credit: Nirosha Murugan / Harvard University
Scientists have observed a type of slime mold that is surprisingly brainy given its total lack of a brain.
Obligatory political jokes aside, the research - which concerns a type of slime mold known as Physarum polycephalum - has forced scientists to reconsider what constitutes 'brainless'.

Intriguingly, despite having no 'brain' to speak of, this blob-like organism was found to be capable of surprisingly complex calculations and decision-making (for a blob anyway).

To find out more, researchers from the Wyss Institute at Harvard University and the Allen Discovery Center at Tufts University conducted an experiment designed to test its environmental awareness.

The findings revealed a "novel preference and sensing capability in the unicellular organism", with the mold using its body as "both a distributed sensor array and computational substrate."
The study suggests that further research into 'brainless' organisms is warranted.

"What's cool about Physarum is that its decision-making behavior is its morphogenesis," said senior author Mike Levin. "It ends up being a very nice intersection point between decision-making in three-dimensional space, which is behavior, and decision-making in morphological space and patterning."

"Because we don't have any chemical sources, we can truly see how this thing is thinking, or what it is using to think," said study first author Nirosha Murugan.

"What we see is that in its initial thinking or 'buffering' stage, as I think about it, it's using information from its environment from a biophysical point of view, by tugging or sensing the actual substrate, and then processing that information and growing towards the higher mass strain, or strain angle."

Source: Vice.com | Comments (10)


Tags: Brain, Slime


Recent comments on this story
Comment icon #1 Posted by jethrofloyd on 26 July, 2021, 17:37
There has already been talk of this brainless blob before, here at the UM: https://www.unexplained-mysteries.com/news/331321/real-life-blob-has-720-sexes-but-no-brain
Comment icon #2 Posted by eight bits on 26 July, 2021, 17:57
The thread title reminds me of a former boss.
Comment icon #3 Posted by Essan on 26 July, 2021, 18:28
Sounds like a perfect candidate for the POTUS      (Some may argue such a blob has already held the office)
Comment icon #4 Posted by OverSword on 26 July, 2021, 19:03
I haven't noticed any scientists keeping an eye on me.
Comment icon #5 Posted by Raptor Witness on 26 July, 2021, 19:59
  Post  #30     Posted March 12 (edited) It’s amazing, how suggesting that the historically slimy, FBI should be replaced as an institution, draws such sideways ire. I think we need a more scientific approach to government, not religion. After all, it took just one pandemic to destroy the Republican Party, as an institution. I don’t want to see my country fail, also. The human brain is capable of more foresight than is currently imagined by science. The reason is simple, the entire planet is thinking, also. This garden has a brain. If you’re interested in the subject, you might consider the co... [More]
Comment icon #6 Posted by BadChadB33 on 26 July, 2021, 21:40
I know a few guys like that live around the corner from me like that. 
Comment icon #7 Posted by HandsomeGorilla on 26 July, 2021, 22:59
I can make decisions. They're not good ones, usually, but they're decisions  ...try to think, but nothin happens? 
Comment icon #8 Posted by mesuma on 27 July, 2021, 0:27
Are jellyfish not light in the cabaza?
Comment icon #9 Posted by Jon the frog on 27 July, 2021, 2:53
The more you learn about plants, mushrooms and other non-animal. The definition of the terms ''intelligence'', ''thinking'', ''behaviour'' are more difficults to decipher.
Comment icon #10 Posted by gidgetaldotmatrix on 2 August, 2021, 0:00
still can’t believe no one has quoted Bob from Monsters vs Aliens. Turns out you don’t need a brain, it’s all about the head jelly. what is it they say about structure equals function. in a weird way it makes sense that a knot of misfiring neurons isn’t necessary for cognitive process. 


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