Researchers reporting online on July 26 in Current Biology have for the first time shown that they can control the behavior of monkeys by using pulses of blue light to very specifically activate particular brain cells. The ...
Plants & Animals
Jul 26, 2012
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Humans, fish and frogs share neural circuits responsible for a diversity of social behavior, from flashy mating displays to aggression and monogamy, that have existed for more than 450 million years, biologists at The University ...
Other
May 31, 2012
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Weizmann scientists have revealed a new kind of on-off switch in the brain for regulating the production of a main biochemical signal from the brain that stimulates cortisol release in the body.
Cell & Microbiology
Feb 23, 2012
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Call a bird "birdbrained" and they may call "fowl." Cornell University researchers have proven that the capacity for learning in birds is not linked to overall brain size, but to the relative size and proportion of their ...
Plants & Animals
Sep 19, 2011
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(PhysOrg.com) -- Could it be love? Rats infected with the parasite Toxoplasma seem to lose their fear of cats – or at least cat urine. Now Stanford researchers have discovered that the brains of those infected, fearless ...
Plants & Animals
Aug 17, 2011
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In both chimpanzees and humans, portions of the brain that are critical for complex cognitive functions, including decision-making, self-awareness and creativity, are immature at birth. But there are important differences, ...
Plants & Animals
Aug 11, 2011
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A study of tissue samples from 161 marine mammals that died between 2004 and 2009 in the Pacific Northwest reveals an association between severe illness and co-infection with two kinds of parasites normally found in land ...
Plants & Animals
May 24, 2011
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(PhysOrg.com) -- The brains of newborn humans and Neanderthals are about the same size and appear rather similar overall. It's mainly after birth, and specifically in the first year of life, that the differences between our ...
Evolution
Nov 8, 2010
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Tricking honey bees into thinking they have traveled long distance to find food alters gene expression in their brains, researchers report this month. Their study, in the journal Genes, Brain and Behavior, is the first to ...
Plants & Animals
Aug 18, 2010
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Who's in charge? Who's got food? The brain region responsible for learning and memory is bigger in social bee queens who may have to address these questions than in solitary queens, report scientists at the Smithsonian Tropical ...
Plants & Animals
Mar 23, 2010
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