Group items matching "signals" in title, tags, annotations or url - science

@biogarage Jamil Bhanji, Mauricio Delgado: The social brain and reward: social information processing in the human striatum - Bhanji - 2013 - Wiley Interdisciplinary Reviews: Cognitive Science - Wiley Online Library - 0 views

onlinelibrary.wiley.com/...wcs.1266

biology neurobiology psychology behaviour organization social spatzenhirn

shared by Erich Feldmeier on 24 Apr 14 - No Cached

Erich Feldmeier on 24 Apr 14

"This research provides an understanding of the neural basis for social behavior from the perspective of how we evaluate social experiences and how our social interactions and decisions are motivated. We review research addressing the common neural systems underlying evaluation of social and nonsocial rewards. The human striatum, known to play a key role in reward processing, displays signals related to a broad spectrum of social functioning, including evaluating social rewards, making decisions influenced by social factors, learning about social others, cooperating, competing, and following social norms. WIREs Cogn Sci 2014, 5:61-73. doi: 10.1002/wcs.1266"

<div class="cArrow"> </div><div class="cContentInner">"This research provides an understanding of the neural basis for social behavior from the perspective of how we evaluate social experiences and how our social interactions and decisions are motivated. We review research addressing the common neural systems underlying evaluation of social and nonsocial rewards. The human striatum, known to play a key role in reward processing, displays signals related to a broad spectrum of social functioning, including evaluating social rewards, making decisions influenced by social factors, learning about social others, cooperating, competing, and following social norms. WIREs Cogn Sci 2014, 5:61-73. doi: 10.1002/wcs.1266"</div>

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Beyond space-time: Welcome to phase space - space - 08 August 2011 - New Scientist - 1 views

www.newscientist.com/...me-welcome-to-phase-space.html

Beyond space-time: Welcome to phase space - 08 August 2011 New Scientist

shared by thinkahol * on 08 Aug 11 - No Cached

thinkahol * on 08 Aug 11

A theory of reality beyond Einstein's universe is taking shape - and a mysterious cosmic signal could soon fill in the blanks

<div class="cArrow"> </div><div class="cContentInner">A theory of reality beyond Einstein's universe is taking shape - and a mysterious cosmic signal could soon fill in the blanks </div>

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Nasa warns solar flares from 'huge space storm' will cause devastation - Telegraph - 0 views

www.telegraph.co.uk/...rm-will-cause-devastation.html

solar flare space storm devastation

shared by thinkahol * on 29 Jun 10 -

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thinkahol * on 29 Jun 10

Britain could face widespread power blackouts and be left without critical communication signals for long periods of time, after the earth is hit by a once-in-a-generation "space storm", Nasa has warned.

<div class="cArrow"> </div><div class="cContentInner">Britain could face widespread power blackouts and be left without critical communication signals for long periods of time, after the earth is hit by a once-in-a-generation "space storm", Nasa has warned. </div>

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Nanoscale Probes Measure Signals Inside Cells | KurzweilAI - 0 views

www.kurzweilai.net/s-measure-signals-inside-cells

nanoscale cells measure probes

shared by thinkahol * on 16 Aug 10 - Cached

thinkahol * on 16 Aug 10

Chemists and engineers at Harvard University have fashioned nanowires into a new type of V-shaped transistor small enough to be used for sensitive probing

<div class="cArrow"> </div><div class="cContentInner">Chemists and engineers at Harvard University have fashioned nanowires into a new type of V-shaped transistor small enough to be used for sensitive probing</div>

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Berkeley Lab scientists open electrical link to living cells | KurzweilAI - 0 views

www.kurzweilai.net/lectrical-link-to-living-cells

Berkeley Lab scientists open electrical link to living cells | KurzweilAI

shared by thinkahol * on 23 Oct 10 - No Cached

thinkahol * on 23 Oct 10

Scientists with the Lawrence Berkeley National Laboratory (Berkeley Lab) have designed an electrical link to living cells engineered to shuttle electrons across a cell's membrane to an external acceptor along a well-defined path. This direct channel could yield cells that can read and respond to electronic signals, electronics capable of self-replication and repair, or efficiently transfer sunlight into electricity.

<div class="cArrow"> </div><div class="cContentInner">Scientists with the Lawrence Berkeley National Laboratory (Berkeley Lab) have designed an electrical link to living cells engineered to shuttle electrons across a cell's membrane to an external acceptor along a well-defined path. This direct channel could yield cells that can read and respond to electronic signals, electronics capable of self-replication and repair, or efficiently transfer sunlight into electricity.</div>

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If bonobo Kanzi can point as humans do, what other similarities can rearing reveal? - 0 views

www.physorg.com/news186670047.html

apes pointing culture learning bonobo

shared by Skeptical Debunker on 01 Mar 10 - Cached

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The difference between pointing by the Great Ape Trust bonobos - the only ones in the world with receptive competence for spoken English - and other captive apes that make hand gestures is explained by the culture in which they were reared, according to the paper's authors: Janni Pedersen, an Iowa State University Ph.D. candidate conducting research for her dissertation at Great Ape Trust; Pär Segerdahl, a scientist from Sweden who has published several philosophical inquires into language; and William M. Fields, an ethnographer investigating language, culture and tools in non-human primates. Fields also is Great Ape Trust's director of scientific research. Because Kanzi, Panbanisha and Nyota were raised in a culture where pointing has a purpose - The Trust's hallmark Pan/Homo environment, where infant bonobos are reared with both bonobo (Pan paniscus) and human (Homo sapiens) influences - their pointing is as scientifically meaningful as their understanding of spoken English, Fields said. The pointing study supports and builds on previous research on the effect of rearing culture on cognitive capabilities, including the 40-year research corpus of Dr. Duane Rumbaugh, Dr. Sue Savage-Rumbaugh and Fields, which is the foundation of the scientific inquiry at Great Ape Trust. Those studies included the breakthrough finding that Kanzi and other bonobos with receptive competence for spoken English acquired language as human children do - by being exposed to it since infancy. The bonobos adopted finger-pointing behavior for the same reasons, because they were reared in a culture where pointing has meaning.
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Skeptical Debunker on 01 Mar 10

You may have more in common with Kanzi, Panbanisha and Nyota, three language-competent bonobos living at Great Ape Trust, than you thought. And those similarities, right at your fingertip, might one day tell scientists more about the effect of culture on neurological disorders that limit human expression. Among humans, pointing is a universal language, an alternative to spoken words to convey a message. Before they speak, infants point, a gesture scientists agree is closely associated with word learning. But when an ape points, scientists break rank on the question of whether pointing is a uniquely human behavior. Some of the world's leading voices in modern primatology have argued that although apes may gesture in a way that resembles human pointing, the genetic and cognitive differences between apes and humans are so great that the apes' signals have no specific intent. Not so, say Great Ape Trust scientists, who argued in a recently published scientific paper, "Why Apes Point: Pointing Gestures in Spontaneous Conversation of Language-Competent Pan/Homo Bonobos," that not only do Kanzi, Panbanisha and Nyota point with their index fingers in conversation as a human being might, these bonobos do so with specific intent and objectives in mind.

<div class="cArrow"> </div><div class="cContentInner"> You may have more in common with Kanzi, Panbanisha and Nyota, three language-competent bonobos living at Great Ape Trust, than you thought. And those similarities, right at your fingertip, might one day tell scientists more about the effect of culture on neurological disorders that limit human expression. Among humans, pointing is a universal language, an alternative to spoken words to convey a message. Before they speak, infants point, a gesture scientists agree is closely associated with word learning. But when an ape points, scientists break rank on the question of whether pointing is a uniquely human behavior. Some of the world's leading voices in modern primatology have argued that although apes may gesture in a way that resembles human pointing, the genetic and cognitive differences between apes and humans are so great that the apes' signals have no specific intent. Not so, say Great Ape Trust scientists, who argued in a recently published scientific paper, "Why Apes Point: Pointing Gestures in Spontaneous Conversation of Language-Competent Pan/Homo Bonobos," that not only do Kanzi, Panbanisha and Nyota point with their index fingers in conversation as a human being might, these bonobos do so with specific intent and objectives in mind.</div>

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Is it now or never for dark matter WIMPs? - 0 views

arstechnica.com/...ever-for-dark-matter-wimps.ars

dark matter

shared by Charles Daney on 31 Jan 11 - No Cached

Charles Daney on 31 Jan 11

For several decades, astronomers and cosmologists have been piling up data that indicates most of the matter in the Universe is dark, interacting only via gravity. As modified theories of gravity failed to account for observation, candidates for dark mater were winnowed down until one remained in favor: the weakly interactive massive particle, or WIMP. Over the past several years, potential signals of WIMPs have appeared in space and on Earth; that, combined with the startup of the LHC, has given the research community the sense that it's close to pinning down the identity of the WIMPs. But a review in this week's Nature considers what might happen if we fail.

<div class="cArrow"> </div><div class="cContentInner">For several decades, astronomers and cosmologists have been piling up data that indicates most of the matter in the Universe is dark, interacting only via gravity. As modified theories of gravity failed to account for observation, candidates for dark mater were winnowed down until one remained in favor: the weakly interactive massive particle, or WIMP. Over the past several years, potential signals of WIMPs have appeared in space and on Earth; that, combined with the startup of the LHC, has given the research community the sense that it's close to pinning down the identity of the WIMPs. But a review in this week's Nature considers what might happen if we fail.</div>

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The Loneliest Plant In The World : Krulwich Wonders… : NPR - 1 views

www.npr.org/...e-loneliest-plant-in-the-world

The Loneliest Plant In World : Krulwich Wonders… NPR

shared by thinkahol * on 11 May 11 - No Cached

thinkahol * on 11 May 11

When a cycad is ready to reproduce, it grows a large colorful cone, rich with pollen or seed. It signals its readiness by radiating heat or sending out attractive odors to pollinators, who travel back and forth. Once fertilized, the seed-rich cone is ripped apart by hungry seed carriers (who've included over the years, not just birds and insects, but dinosaurs, pterosaurs, bats; these trees have been eaten by just about everybody). But what if you can't find a mate? The tree in London (and its clones that are now growing in botanical gardens all over the world) is a male. It can make pollen. But it can't make the seeds. That requires a female. Researchers have wandered the Ngoya forest and other woods of Africa, looking for an E. woodii that could pair with the one in London. They haven't found a single other specimen. They're still searching. Unless a female exists somewhere, E. woodii will never mate with one of its own. It can be cloned. It can have the occasional fling with a closely related species. Hybrid cycads are sold at plant stores, but those plants aren't the real deal. The tree that sits in London can't produce a true offspring. It sits there, the last in its long line, waiting for a companion that may no longer exist.

<div class="cArrow"> </div><div class="cContentInner">When a cycad is ready to reproduce, it grows a large colorful cone, rich with pollen or seed. It signals its readiness by radiating heat or sending out attractive odors to pollinators, who travel back and forth. Once fertilized, the seed-rich cone is ripped apart by hungry seed carriers (who've included over the years, not just birds and insects, but dinosaurs, pterosaurs, bats; these trees have been eaten by just about everybody). But what if you can't find a mate? The tree in London (and its clones that are now growing in botanical gardens all over the world) is a male. It can make pollen. But it can't make the seeds. That requires a female. Researchers have wandered the Ngoya forest and other woods of Africa, looking for an E. woodii that could pair with the one in London. They haven't found a single other specimen. They're still searching. Unless a female exists somewhere, E. woodii will never mate with one of its own. It can be cloned. It can have the occasional fling with a closely related species. Hybrid cycads are sold at plant stores, but those plants aren't the real deal. The tree that sits in London can't produce a true offspring. It sits there, the last in its long line, waiting for a companion that may no longer exist.</div>

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What we're learning about pancreatic cancer now - and why the cure remains so elusive >> SEEDMAGAZINE.COM - 0 views

seedmagazine.com/...signal_to_noise

cancer

shared by Charles Daney on 09 Nov 09 - Cached

Charles Daney on 09 Nov 09

Genomes aren't orderly and neat; they're exceedingly messy and complex, filled with "noise" from which subtle signals are difficult to filter. A disease can arise from one or two mutations, or from the cumulative action of hundreds. This means finding genome mutations responsible for diseases is both incredibly difficult and also often fruitless: The variation in individual genomes is so large that nearly every single potential disease-causing mutation typically turns out to be benign.

<div class="cArrow"> </div><div class="cContentInner">Genomes aren't orderly and neat; they're exceedingly messy and complex, filled with "noise" from which subtle signals are difficult to filter. A disease can arise from one or two mutations, or from the cumulative action of hundreds. This means finding genome mutations responsible for diseases is both incredibly difficult and also often fruitless: The variation in individual genomes is so large that nearly every single potential disease-causing mutation typically turns out to be benign.</div>

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How Brain Cancer Is Associated With Cell Phone Radiation? - 1 views

Cell phone radiations are associated with a number of health problems. Brain cancer is one of the major health condition that can be caused due to cell phone radiations. There are studies that cla...

brain cancer brain tumour cancer research

started by anonymous on 13 Jan 15 no follow-up yet

Why animals don't have infrared vision: Source of the visual system's 'false alarms' discovered - 2 views

www.sciencedaily.com/...110609151537.htm

Why animals don't have infrared vision: Source of the visual system's 'false alarms' discovered

shared by thinkahol * on 10 Jun 11 - No Cached

thinkahol * on 10 Jun 11

ScienceDaily (June 9, 2011) - On rare occasion, the light-sensing photoreceptor cells in the eye misfire and signal to the brain as if they have captured photons, when in reality they haven't. For years this phenomenon remained a mystery. Reporting in the June 10 issue of Science, neuroscientists at the Johns Hopkins University School of Medicine have discovered that a light-capturing pigment molecule in photoreceptors can be triggered by heat, as well, giving rise to these false alarms.

<div class="cArrow"> </div><div class="cContentInner">ScienceDaily (June 9, 2011) - On rare occasion, the light-sensing photoreceptor cells in the eye misfire and signal to the brain as if they have captured photons, when in reality they haven't. For years this phenomenon remained a mystery. Reporting in the June 10 issue of Science, neuroscientists at the Johns Hopkins University School of Medicine have discovered that a light-capturing pigment molecule in photoreceptors can be triggered by heat, as well, giving rise to these false alarms. </div>

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Anemoside B4 ameliorates TNBS-induced colitis through S100A9/MAPK/NF-κB signaling pathway | SpringerLink - 0 views

link.springer.com/...s13020-020-00410-1

NF-κB signaling-pathway

shared by jingwang162050 on 07 Jun 21 - No Cached

Holger Sondermann, Petya Krasteva - Signal zur Rudelbildung - Biofilm Cholera-Bakterien - 0 views

www.wissenschaft.de/...309893.html

organization science biology microbiology health excellent genetics biofilm

shared by Erich Feldmeier on 19 Dec 11 - No Cached

Erich Feldmeier on 19 Dec 11

Wie Menschen im Online-Portal Facebook, so geben freischwimmende Bakterien ihr Einzelgänger-Dasein zu Gunsten einer Matrix-Community auf. Über spezielle Botenstoffe schalten die Bakterien gegenseitig Gene an und ab und bilden schließlich eine multizellulä

<div class="cArrow"> </div><div class="cContentInner">Wie Menschen im Online-Portal Facebook, so geben freischwimmende Bakterien ihr Einzelgänger-Dasein zu Gunsten einer Matrix-Community auf. Über spezielle Botenstoffe schalten die Bakterien gegenseitig Gene an und ab und bilden schließlich eine multizellulä</div>

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Jessica Tracy, Alec Beall scinexx | Rote Kleidung beim Eisprung?: Psychologen schreiben Frauen eine Vorliebe für Rottöne in der fruchtbarsten Zyklusphase zu - Eisprung, Zyklus, Frau - Eisprung, Zyklus, Frau, Farbe, Verhalten, Hormone, Signal, Biologie, P - 0 views

www.scinexx.mobi/-aktuell-16404-2013-07-15.html

science psychology biology Neurobiology Behaviour Excellent philosophy

shared by Erich Feldmeier on 10 Sep 13 - No Cached

Erich Feldmeier on 10 Sep 13

"Studien haben zudem gezigt, dass Männer Frauen, die rote Kleidung tragen, sexuell besonders attraktiv finden - und das offenbar in vielen verschiedenen Kulturen: Auch Männer aus einer ziemlich isoliert lebenden Dorfgemeinschaft in Burkina Faso reagieren ähnlich auf Rot - und das, obwohl die Farbe dort sonst eigentlich mit negativen Assoziationen verbunden ist."

<div class="cArrow"> </div><div class="cContentInner">"Studien haben zudem gezigt, dass Männer Frauen, die rote Kleidung tragen, sexuell besonders attraktiv finden - und das offenbar in vielen verschiedenen Kulturen: Auch Männer aus einer ziemlich isoliert lebenden Dorfgemeinschaft in Burkina Faso reagieren ähnlich auf Rot - und das, obwohl die Farbe dort sonst eigentlich mit negativen Assoziationen verbunden ist."</div>

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Everything We Knew About Human Vision is Wrong: Author Mark Changizi Tells Us Why « N e u r o n a r r a t i v e - 0 views

neuronarrative.wordpress.com/...hor-mark-changizi-tells-us-why

science human neurobiology vision

shared by thinkahol * on 26 May 10 -

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Our funny primate variety of color vision turns out to be optimized for seeing the physiological modulations in the blood in the skin that underlies our primate color signals.
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thinkahol * on 26 May 10

For theoretical neurobiologist and author Mark Changizi, "why" has always been more interesting than "how." While many scientists focus on the mechanics of how we do what we do, his research aims to grasp the ultimate foundations underlying why we think, feel and see as we do. Guided by this philosophy, he has made important discoveries on why we see in color, why we see illusions, why we have forward-facing eyes, why letters are shaped as they are, why the brain is organized as it is, why animals have as many limbs and fingers as they do, and why the dictionary is organized as it is.

<div class="cArrow"> </div><div class="cContentInner">For theoretical neurobiologist and author Mark Changizi, "why" has always been more interesting than "how." While many scientists focus on the mechanics of how we do what we do, his research aims to grasp the ultimate foundations underlying why we think, feel and see as we do. Guided by this philosophy, he has made important discoveries on why we see in color, why we see illusions, why we have forward-facing eyes, why letters are shaped as they are, why the brain is organized as it is, why animals have as many limbs and fingers as they do, and why the dictionary is organized as it is.</div>

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