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RichardbBrunner

~ creative arts therapist

RichardbBrunner

Tag Archives: Science

Plants

25 Sunday Apr 2021

Posted by RichardB in Flora, Plants

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Tags

research, Science

Plants are able to “remember” and “react” to information contained in light, according to researchers.

Plants, scientists say, transmit information about light intensity and quality from leaf to leaf in a very similar way to our own nervous systems.2017-Flowers-0061-sm

These “electro-chemical signals” are carried by cells that act as “nerves” of the plants.

In their experiment, the scientists showed that light shone on to one leaf caused the whole plant to respond.

And the response, which took the form of light-induced chemical reactions in the leaves, continued in the dark.

This showed, they said, that the plant “remembered” the information encoded in light.

“We shone the light only on the bottom of the plant and we observed changes in the upper part,” explained Professor Stanislaw Karpinski from the Warsaw University of Life Sciences in Poland, who led this research.

He presented the findings at the Society for Experimental Biology’s annual meeting in Prague, Czech Republic.

“And the changes proceeded when the light was off… This was a complete surprise.”

In previous work, Professor Karpinski found that chemical signals could be passed throughout whole plants – allowing them to respond to and survive changes and stresses in their environment.

But in this new study, he and his colleagues discovered that when light stimulated a chemical reaction in one leaf cell, this caused a “cascade” of events and that this was immediately signaled to the rest of the plant via a specific type of cell called a “bundle sheath cell”.

The scientists measured the electrical signals from these cells, which are present in every leaf. They likened the discovery to finding the plants’ “nervous system”.

Thinking plants

What was even more peculiar, Professor Karpinski said, was that the plants’ responses changed depending on the colour of the light that was being shone on them. N

Plants perform a sort of biological light computation, using information contained in the light to immunise themselves against diseases

Stanislaw Karpinski, Warsaw University of Life Sciences

.
“There were characteristic [changes] for red, blue and white light,” he explained.

He suspected that the plants might use the information encoded in the light to stimulate protective chemical reactions. He and his colleagues examined this more closely by looking at the effect of different colors of light on the plants’ immunity to disease.

“When we shone the light for on the plant for one hour and then infected it [with a virus or with bacteria] 24 hours after that light exposure, it resisted the infection,” he explained.

“But when we infected the plant before shining the light, it could not build up resistance.

“[So the plant] has a specific memory for the light which builds its immunity against pathogens, and it can adjust to varying light conditions.”

He said that plants used information encrypted in the light to immunize themselves against seasonal pathogens.

“Every day or week of the season has… a characteristic light quality,” Professor Karpinski explained.

“So the plants perform a sort of biological light computation, using information contained in the light to immunize themselves against diseases that are prevalent during that season.”

Professor Christine Foyer, a plant scientist from the University of Leeds, said the study “took our thinking one step forward”.

“Plants have to survive stresses, such as drought or cold, and live through it and keep growing,” she told BBC News.

“This requires an appraisal of the situation and an appropriate response – that’s a form of intelligence.

“What this study has done is link two signaling pathways together… and the electrical signaling pathway is incredibly rapid, so the whole plant could respond immediately to high [levels of] light.

UCTV-The Science and Art of Psychotherapy: Insider’s Guide

31 Wednesday Mar 2021

Posted by RichardB in mental health, Therapy, Wellness, youtube

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Psychotherapy, Science, youtube

Art and brain science

07 Tuesday Jul 2020

Posted by RichardB in art, Art Therapy, Therapy, Wellness

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brain, NYT, research, Science

Here is an interesting article from the NYT about the brain and art from a professor of brain science at Columbia University.:

…… The portraiture that flourished in Vienna at the turn of the 20th century is a good place to start. Not only does this modernist school hold a prominent place in the history of art, it consists of just three major artists — Gustav Klimt, Oskar Kokoschka and Egon Schiele — which makes it easier to study in depth.

As a group, these artists sought to depict the unconscious, instinctual strivings of the people in their portraits, but each painter developed a distinctive way of using facial expressions and hand and body gestures to lrcommunicate those mental processes.

Their efforts to get at the truth beneath the appearance of an individual both paralleled and were influenced by similar efforts at the time in the fields of biology and psychoanalysis. Thus the portraits of the modernists in the period known as “Vienna 1900” offer a great example of how artistic, psychological and scientific insights can enrich one another.

The idea that truth lies beneath the surface derives from Carl von Rokitansky, a gifted pathologist who was dean of the Vienna School of Medicine in the middle of the 19th century. Baron von Rokitansky compared what his clinician colleague Josef Skoda heard and saw at the bedsides of his patients with autopsy findings after their deaths. This systematic correlation of clinical and pathological findings taught them that only by going deep below the skin could they understand the nature of illness.

I’ve read many a book and chatted with art therapists about the psychological process involved in art and art making and this article comes from a different perspective; brain science.

Commonwealth Club: The Science of Happiness During COVID-19

19 Sunday Apr 2020

Posted by RichardB in Happiness, Uncategorized

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commonwealth club, covid-19, Happiness, Science

“The COVID-19 pandemic has affected almost every facet of human life. Negative emotions like fear, stress, anxiety and depression are inevitable and can overwhelm even the most optimistic of people. What can we do to nurture our happiness during these unprecedented times?”

Plants

05 Tuesday Nov 2019

Posted by RichardB in Flora, Plants

≈ Leave a comment

Tags

research, Science

Plants are able to “remember” and “react” to information contained in light, according to researchers.cFL-0006_tn.jpg

Plants, scientists say, transmit information about light intensity and quality from leaf to leaf in a very similar way to our own nervous systems.

These “electro-chemical signals” are carried by cells that act as “nerves” of the plants.

In their experiment, the scientists showed that light shone on to one leaf caused the whole plant to respond.

And the response, which took the form of light-induced chemical reactions in the leaves, continued in the dark.

This showed, they said, that the plant “remembered” the information encoded in light.

“We shone the light only on the bottom of the plant and we observed changes in the upper part,” explained Professor Stanislaw Karpinski from the Warsaw University of Life Sciences in Poland, who led this research.

He presented the findings at the Society for Experimental Biology’s annual meeting in Prague, Czech Republic.

“And the changes proceeded when the light was off… This was a complete surprise.”

In previous work, Professor Karpinski found that chemical signals could be passed throughout whole plants – allowing them to respond to and survive changes and stresses in their environment.

But in this new study, he and his colleagues discovered that when light stimulated a chemical reaction in one leaf cell, this caused a “cascade” of events and that this was immediately signalled to the rest of the plant via a specific type of cell called a “bundle sheath cell”.

The scientists measured the electrical signals from these cells, which are present in every leaf. They likened the discovery to finding the plants’ “nervous system”.

Thinking plants

What was even more peculiar, Professor Karpinski said, was that the plants’ responses changed depending on the colour of the light that was being shone on them.

Plants perform a sort of biological light computation, using information contained in the light to immunise themselves against diseases

Stanislaw Karpinski, Warsaw University of Life Sciences

“There were characteristic [changes] for red, blue and white light,” he explained.

He suspected that the plants might use the information encoded in the light to stimulate protective chemical reactions. He and his colleagues examined this more closely by looking at the effect of different colours of light on the plants’ immunity to disease.

“When we shone the light for on the plant for one hour and then infected it [with a virus or with bacteria] 24 hours after that light exposure, it resisted the infection,” he explained.

“But when we infected the plant before shining the light, it could not build up resistance.

“[So the plant] has a specific memory for the light which builds its immunity against pathogens, and it can adjust to varying light conditions.”

He said that plants used information encrypted in the light to immunise themselves against seasonal pathogens.

“Every day or week of the season has… a characteristic light quality,” Professor Karpinski explained.

DSC01883_tn.jpg

“So the plants perform a sort of biological light computation, using information contained in the light to immunise themselves against diseases that are prevalent during that season.”

Professor Christine Foyer, a plant scientist from the University of Leeds, said the study “took our thinking one step forward”.

“Plants have to survive stresses, such as drought or cold, and live through it and keep growing,” she told BBC News.

“This requires an appraisal of the situation and an appropriate response – that’s a form of intelligence.

“What this study has done is link two signalling pathways together… and the electrical signalling pathway is incredibly rapid, so the whole plant could respond immediately to high [levels of] light.

The Science of Making Things Go #Viral

26 Friday Jul 2019

Posted by RichardB in Social Science

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Tags

Science, Shrill, Viral

Courtesy of: Visual Capitalist
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