«Breaking News» Scientists discover that bees count using only four brain cells

Bee brains have evolved to be so energy efficient that they may be able to count using only four nerve cells, scientists have found. 

Simulations with a brain model used just four nerve cells and found this simplistic organ would be able to count up to, and beyond, five.   

The small number of nerve cells needed to count indicates that brain size is not as important as brain organisation, scientists claim. 

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Bee brains have evolved to be so energy efficient that they can count using only four brain cells, scientists have found. Simulations with a simple brain model used just four nerve cells and found this simple organ would be able to count up to, and beyond, five (stock image)

Simulations showed the simple brain was capable of counting small quantities by closely studying one item at a time.

Previous studies have found bees count in the same way. 

But, humans use a different method and look at the whole group of items before counting them.

In lab experiments, bees can count upwards of five and can be trained to select the smaller or larger of two values. 

Bees can even choose the value of zero, when trained to select the lesser of two quantities. 

The research suggests bees don't need to understand complex mathematics to achieve these feats of quantitative comparison.  

'Our model shows that even though counting is generally thought to require high intelligence and large brains, it can be easily done with the smallest of nerve cell circuits connected in the right manner,' says Vera Vasas, a researcher at Queen Mary University of London.

'We suggest that using specific flight movements to scan targets, rather than numerical concepts, explains the bees' ability to count.'

Scientists think their findings, published in the journal iScience, prove animal intelligence doesn't always have to rely on a larger number of neurons. 

In lab experiments, bees can count upwards of five and can be trained to select the smaller or larger of two values. Bees can even choose the value of zero, when trained to select the lesser of two quantities (pictured)

'Instead, a small number of nerve cells simply need to be arranged in the right way.'

An improved understanding of the intelligence of insects could be used to design more efficient artificial intelligence algorithms.

'Careful examination of the actual inspection strategies used by animals might reveal that they often employ active scanning behaviors as shortcuts to simplify complex visual pattern discrimination tasks,' Dr Vasas said. 

'Hopefully, our work will inspire others to look more closely not just at what cognitive tasks animals can solve, but also at how they are solving them.' 

WHAT IS THE HONEYBEE CRISIS?

Honeybees, both domestic and wild, are responsible for around 80 per cent of worldwide pollination, according to Greenpeace.

But bee colony collapses across the globe are threatening their vital work.

Bees are dying from a combination of pesticides, habitat destruction, drought, nutrition deficit, global warming and air pollution among other factors.

The global bee crisis can potentially be solved if dangerous pesticides are eliminated, wild habitats are preserved and ecological agriculture is restored, according to Greenpeace (file photo)

Greenpeace has reported: 'The bottom line is that we know humans are largely responsible for the two most prominent causes: Pesticides and habitat loss.'

This is important for a number of reasons, chief among them the amount of work bees put into our food production.

Vegetables, nuts and fruits are pollinated by bees. Of the top human food crops, a whopping 70 of 100 are pollinated by the creatures, which account for as much as 90 per cent of global nutrition.

Greenpeace has suggested the following solutions to the problem:

• The preservation of wild habitats in order to protect pollinator health


• The restoration of ecological agriculture


• The elimination of the world's most dangerous pesticides 

Link hienalouca.com

https://hienalouca.com/2018/12/24/scientists-discover-that-bees-count-using-only-four-brain-cells/
Main photo article Bee brains have evolved to be so energy efficient that they may be able to count using only four nerve cells, scientists have found. 
Simulations with a brain model used just four nerve cells and found this simplistic organ would be able to count up to, and beyond, five.   
The small number of ne...

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