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Behavior, Research, Critical thinking and Science News


Puppydog eyes trigger oxytocin in owners

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According to researchers, a dog’s gaze trig­gers release of ox­y­to­cin in own­ers. Oxytocin is refered to as the "Trust Hormone," or the "Hormone of love."preston.jpg

Researchers found "in­creases in the hor­mone lev­el that were highly cor­re­lat­ed to “the fre­quen­cy of be­hav­ior­al ex­changes in­i­ti­at­ed by the dog’s gaze,” in the Dec. 14 is­sue of the re­search jour­nal Hor­mones and Be­hav­ior. They concluded “in­ter­ac­tions with dogs, es­pe­cially those in­i­ti­at­ed by the dog’s gaze, can in­crease the uri­nary [ox­y­to­cin] con­centra­t­ions of their own­ers as a man­i­festa­t­ion of at­tach­ment be­hav­ior.” (World Science)

Other research has found that "having this hormone "available" during positive experiences, and not being depleted of it during negative experiences, is associated with well-being in relationships." From Oxytocin - the hormone of love.

 

 

The Human Brain Is On The Edge Of Chaos

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I certainly feel MY brain is on the edge of chaos. Research shows this might be true for all of us.

ScienceDaily (Mar. 19, 2009) — Cambridge-based researchers provide new evidence that the human brain lives "on the edge of chaos", at a critical transition point between randomness and order. The study provides experimental data on an idea previously fraught with theoretical speculation.

Self-organized criticality (where systems spontaneously organize themselves to operate at a critical point between order and randomness), can emerge from complex interactions in many different physical systems, including avalanches, forest fires, earthquakes, and heartbeat rhythm

 

Adults presence crucial influence in aggression

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ScienceDaily (Mar. 17, 2009) — Adults of many animal species play a crucial role in the social development of youngsters. A new study reveals that the ratio of adults to young plays a much more important role in social development than the mere presence of adults.

Marie Bourjade, Alice de Boyer des Roches and Martine Hausberger of the University of Rennes 1, France, studied the effects of the adult-young ratios in naturally-formed groups of Przewalski horses on aggression rates and social cohesion of young horses. Previous studies led by the laboratory have shown that this ratio plays an essential role in song acquisition in songbirds (which has parallels with human language development) and so the authors sought to find a more general principle regarding the effects of adult-young ratios on social behaviour.

Last Updated on Thursday, 19 March 2009 05:56
 

Dog has cat for lunch? Motherhood Misfires

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Magnificent motherhood misfires

From Assignment America

Last Updated on Wednesday, 04 March 2009 20:10
 

Getting closer to the science of scent detection

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ScienceDaily (Feb. 26, 2009) — In the real world, odors don't happen one puff at a time. Animals move through, and subsequently distort, plumes of odor molecules that constantly drift, changing direction as the wind disperses them. Now, by exploring how animals smell odors under naturalistic conditions, Rockefeller University scientist Maria Neimark Geffen and her colleagues reveal that the brain encodes these swirling, and complex patterns of molecules using surprisingly little neural machinery.

 

Cramming for tests does no good

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All-Nighters Equal Lower Grades

ScienceDaily (2007-12-01) -- With end-of-semester finals looming, here's an exam question: Will pulling an all-nighter actually help you score well? To the dismay of college students everywhere, the correct answer is "no." Researchers studied the sleeping patterns and transcripts of 111 students to see the correlation between sleep and their grade-point averages.

 

 

Last Updated on Sunday, 15 February 2009 10:59
 

Sleep required for memory formation

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This proves what I've always suspected

ScienceDaily (2009-02-12) -- If you ever argued with your mother when she told you to get some sleep after studying for an exam instead of pulling an all-nighter, you owe her an apology, because it turns out she's right. And now, scientists are beginning to understand why. Scientists describe for the first time how cellular changes in the sleeping brain promote the formation of memories.

 

David Mech recants alpha wolf notion

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Mech published "The Wolf: Ecology and Behavior of an Endangered Species," currently still in print. He has plead with his publisher to stop publishing ... to no avail - his current research states most wolves who lead packs achieved their position simply by mating and producing pups, which then became their pack.

He prefers the notion "breeding pair" to describe the pack leader, and to get rid of the word Alpha.

Attachments:
Download this file (alphawolf.pdf)alphawolf.pdf655 Kb

Last Updated on Monday, 23 February 2009 14:01
 



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