Tag: "behaviors" at biology news
Kids with OCD bullied more than others, study shows
...who are different. Kids with OCD sometimes exhibit behaviors
that peers simply don't understand." More than o... is in some way contributing to OCD." Compulsive behaviors
such as repeating questions, recounting and rechecking information can draw attention to kids with O...
Spineless tales provide strong backbone to human brain research
...ts are fascinating because they accomplish complex behaviors
with relatively few nerve cells. Moths, in particular, have easy-to-study nerve cells that are 10 to 20 times as large as those in humans, and they go through three distinct body states, each with its own set of behaviors, with the same brain, "which...
Genetic snooze button governs timing of spring flowers
...nd his colleagues have studied, in particular, the behaviors
of biennial plants, which require long periods of exposure to the cold to initiate flowering in the spring. What they have found reveals some of the complex interplay of genes and environment and provides hints that, one day, it may be possible to ex...
Researchers devise new tools to help pinpoint treatments for heart failure
... they receive. While the series of PKA signaling behaviors
reported in the PNAS paper confirmed parts of a sophisticated computer model of myocytes regulation, there were surprises as well. "The devil is in the details of a biochemical system so complex, but by pursuing those details we may be able to help d...
UW-Madison research part of international mercury conference
...vioral rigidity." The rats struggled to learn new behaviors
even though they would be rewarded for them, and they persisted in old behaviors
even when rewards were no longer offered. Some rats in the experiment were raised on a diet that w...
Underwater robots work together without human input
...ologists greater insight into the highly efficient behaviors
of animals. The August field experiment is the centerpiece of a three-year program known as Adaptive Sampling and Prediction (ASAP), which is funded by the Office of Naval Research. The two co-leaders of ASAP are Naomi Ehrich Leonard of Princeton U...
Timing of food consumption activates genes in specific brain area, researchers find
...y started to show the same pattern of anticipatory behaviors
several hours before the previously scheduled time of feeding," said Dr. Yanagisawa, a Howard Hughes Medical Institute investigator. "So somewhere in the body, they clearly remembered this time of day." Upcoming research will focus on how the cente...
Top researcher-educators receive Presidential Early Career Award for Scientists and Engineers
...l disposition, environment and short-term goals on behaviors
and outcomes. Specifically, she examines how the motives that partners bring to their relationships influence the way everyday events are noticed, interpreted and remembered. These processes are then investigated for their role in significant relatio...
UC Riverside researchers show how the brain turns on innate behavior
... could have future applications in engineering new behaviors
in animals and intelligent robots. Innate or "instinctive" behaviors
are inborn and do not require learning or prior experience to be performed. Examples include courts...
Velvet worm brains reveal secret sisterhood with spiders
...e fascinating rivalry behaviors, interesting group behaviors
and group interactions. Their ecology and genetics are fascinating, and they have really weird sex." Strausfeld said the new finding suggests that the arrangement of onychophoran brains is an ancient one. "It's another window into how something ...
Studies suggest new brain protein may help in treating schizophrenia, insomnia and anxiety
...eiving a drug that normally induces psychotic-like behaviors
did not develop the signature behavioral symptoms and neurochemical features of schizophrenia, reported Naoe Okamura, M.D., Ph.D., who is a co-worker of Dr. Reinscheid at the University of California, Irvine. "Although preliminary, our animal studi...
Dissecting the machinery of nicotine's reward
... dopaminergic brain circuitry was involved in such behaviors
as curiosity or interest in novelty, wrote the researchers. The researchers concluded that their "data suggest that a concomitant activation of [2 and a7 receptor subunits] may be a necessary requirement for the full expression of the sequence of eve...
Gene therapy injected into the brains' of mice with Huntington's disease
...d mobility and motor function), hind limb clasping behaviors
and muscle weakness. One control group of mice did not receive any gene therapy. A second control group was injected with a placebo gene therapy. The third group received the active GDNF gene therapy. To measure fine motor coordination, balance and...
Fly's courtship sheds light on the formation of innate behaviors
...ral circuits that control a specific set of mating behaviors
in the fruit fly, researchers have provided new insight into how instinctual behaviors
those that are not based on prior experience arise in the developing nervous system. The work is r...
Colorful, rare-patterned male guppies have survival advantage in the wild
...heir common vs. rare numbers, and that the changed behaviors
affected predation, the authors wrote. They suggest new experiments to study behaviors
in both predators and prey to determine which theory is at work. In earlier studies, Hughes and coll...
UF scientists restore sight to chickens with blinding disease
...t faces. Children may also poke or rub their eyes, behaviors
clinically known as oculo-digital signs that may produce sensations of sight." Work remains to refine the viral delivery system that transfers the healthy genes to the photoreceptor cells. In addition, solutions have to be found to make the treatment...
The brain's executive is an 'event planner'
...revealed that the brain's "executive" center plans behaviors
not by specifying movements required for given act...w studies have analyzed the specific nature of the behaviors
that are planned. "To achieve a behavioral goal in daily life, we often need to plan multiple steps ...
NIH panel urges more informed approach to multivitamin/mineral use for chronic disease prevention
...st among those who engage in other positive health behaviors
such as regular exercise and eating a healthier diet, making it difficult to determine whether the MVM alone is truly responsible for any observed improvement in health. Most of the public assumes that the components of MVM supplements are safe, b...
News tips from The Journal of Neuroscience
...phenotypes. Some of the genes that correlated with behaviors
were linked to already established quantitative trait loci, thus validating the potential utility of this daunting task. 2. Small Molecule p75 NTR Ligands Stephen M. Massa, Youmei Xie, Tao Yang, Anthony W. Harrington, Mi Lyang Kim, Sung Ok Yoon, R...
Evolutionary forces explain why women live longer than men
...atus or lack a mate engage in a riskier pattern of behaviors
in an attempt to get ahead, he said....
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