Sentences with phrase «brain evolution by»

Chimeric mice could also provide more clues about brain evolution by helping researchers identify astrocyte specializations that are unique to humans.
One of the newly spotted genes, ASPM, was recently linked to brain evolution by a team from the University of Chicago (Science, 9 September, p. 1662).
A decade ago, the lead author on the new study, Masato Yoshizawa, wanted to understand brain evolution by investigating the effects of natural selection on behavior.

Not exact matches

The proof that the growing co-extension of our soul and the world, through the consciousness of our relationship with all things, is not simply a matter of logic or idealisation, but is part of an organic process, the natural outcome of the impulse which caused the germination of life and the growth of the brain — the proof is that it expresses itself in a specific evolution of the moral value of our actions (that is to say, by the modification of what is most living within us).
Evolution is not good for our children - it teaches them that they are no more than monkey - brains, when in truth, each one was lovingly constructed by a God Who needs each individual for HIS purpose, not yours.
The key to human nature therefore lies in both the organic inheritance of evolution through the brain, which is instinct with natural law, harmonic order and finely tuned mutual balance, and in the free, dynamic seeking of truth and values and their free administration by the directly created spirit.
And because the underlying commitment is philosophical, the flimsiest facts are counted as evidence - as when the president of the National Academy of Sciences recently published an article arguing that evolution is confirmed by differences in the size of finch beaks, as though the sprawling evolutionary drama from biochemicals to the human brain could rest on instances of trivial, limited variation.
Dr. J. A. Hadfield, one of the most distinguished psychologists of my generation, in an essay on The Mind and the Brain argues on a scientific basis «that in the course of evolution the mind shows an ever - increasing tendency to free itself from physical control and, breaking loose from its bonds, to assert its independence and live a life undetermined except by the laws of its own nature.»
In the synthesis of philosophy and science presented by Faith, the evolution of the human brain at a critical juncture, the first homo sapiens, requires an external principle of control, one not determined by material forces, but controlling and directing them.
Religion is an emotion that is hard - wired into the brain by evolution.
By summing up this spontaneity (making its successive moments simultaneous) sufficient energy could be accumulated and released to influence the «hair - trigger» behavioral mechanisms of the brain.23 A similar explanation is available to Bergson to account for the manner in which the vital impetus could influence evolution,
The religious impulse was programmed into our brains by brainless evolution.
Yet human infants also display what are known as «secondarily altricial» characteristics — primarily lack of neuromuscular control — a consequence of the limits imposed on gestational brain development by the evolution of the human pelvis.
However, in an election being dominated by an air - headed racist with a history with bankruptcy, a brain surgeon who doesn't believe in evolution, and a female CEO (who was fired from the job) who hates women's rights, someone like George Pataki doesn't necessarily look like a bad choice, either.
In a study published on Nov. 16, scientists discovered that human brains exhibit more plasticity, propensity to be modeled by the environment, than chimpanzee brains and that this may have accounted for part of human evolution.
Raising a child, it turns out, is neither brain surgery nor rocket science but something that biology, shaped by evolution, equips us to do.
Researchers hypothesize that the technological leap was driven by a cognitive leap, an evolution in brain wiring.
Honed by hundreds of millions of years of evolution, the brain became a kind of ultrasophisticated — but special - purpose — computer.
Evolution has invested the brain's anatomy with remarkable energy efficiencies by positioning those areas most likely to communicate closer together; the closer neurons are to one another, the less energy they need to push a signal through.
The trouble, research shows, is that the brain switches to a particular type of judgment system during stressful situations, relying on neural areas sculpted by evolution to make quick decisions.
When they measured the concentrations in the same area in chimp brains, the team found that the differences between chimps and normal humans were much greater for those nine than for the 12 metabolites not implicated in schizophrenia, suggesting that energy pathways implicated in schizophrenia were also altered by human evolution, the team reports this week in Genome Biology.
Our ideas about later human evolution, meanwhile, have been shattered by the remains of a tiny, novel human species with a small but intricately folded brain.
Now scientists say that by separating our heads from our bodies, the neck gave our brains a leg up in evolution.
Cosmic evolution, the structure of matter, the origins of life, and understanding how the brain works all deserve strengthened support, according to China's latest 5 - year development plan, which could triple funding for basic research by 2020.
But this should not deter you, for there are plenty more accessible contributions such as those by Coppens («Brain, locomotion, diet, and culture: how a primate, by chance, became a man»), Phillip Tobias on «The brain of the first hominid» and Rebecca Cann's chapter «Mitochondrial DNA and human evolution», which as a relative novice, I found very helBrain, locomotion, diet, and culture: how a primate, by chance, became a man»), Phillip Tobias on «The brain of the first hominid» and Rebecca Cann's chapter «Mitochondrial DNA and human evolution», which as a relative novice, I found very helbrain of the first hominid» and Rebecca Cann's chapter «Mitochondrial DNA and human evolution», which as a relative novice, I found very helpful.
One of the critical lines of evidence for the evolution of the human is that provided by «fossil brains» or fossilised calvariae (the top part of the skull), which has been unfairly compared to phrenology.
A research team headed by Wieland Huttner, director at the Max Planck Institute of Molecular Cell Biology and Genetics, now reports an important finding that paves the way for further research on brain evolution: The researchers analyzed the gyrencephaly index, indicating the degree of cortical folding, of 100 mammalian brains and identified a threshold value that separates mammalian species into two distinct groups: Those above the threshold have highly folded brains, whereas those below it have only slightly folded or unfolded brains.
Now, however, the two australopithecines are surrounded by digital displays, computer animations, and a multimedia Human Bulletin that broadcasts the latest news in human genetics, brain science, and evolution.
Was it a rational decision learned in childhood, or was it — as Harvard evolutionary biologist and cognitive neuroscientist Marc Hauser claims — based on instincts encoded in our brains by evolution?
Complex Tears: Why Humans Like to Cry: Tragedy, Evolution, and the Brain by Michael Trimble Oxford University Press, 2012 ($ 29.95)
The newly created Paul G. Allen Frontiers Group has selected four initial researchers — Jennifer Doudna of the University of California (UC), Berkeley, Ethan Bier of UC San Diego, James Collins of the Massachusetts Institute of Technology in Cambridge, and Bassem Hassan of the Brain and Spine Institute in Paris — to receive $ 1.5 million each to study topics ranging from novel techniques for gene editing, how shapes and forms arise over the course of evolution, and how synthetic biology can create microbes that trap and kill dangerous bacteria.
A carbon threshold breached, commitments to brain science made, mystery neutrinos found and human evolution revised — these and other events highlight the year in science and technology as picked by the editors of Scientific American
For more than three decades evolutionary psychologists have advanced a simple theory of human sexuality: because men invest less reproductive effort in sperm than women do in eggs, men's and women's brains have been shaped differently by evolution.
The researchers identified fast - evolving species by comparing differences between groups with those obtained when simulating evolution at a constant rate across all lineages, and they found clear differences between tooth evolution and brain evolution.
This suggests that brain sleep dates back at least to the evolution of the amniotes, that is, to the beginning of the colonization of terrestrial landmass by vertebrate animals.
By nested hierarchy I mean a way of looking at the brain, looking at its layers and how they developed over the course of evolution.
Rather than inheriting big brains from a common ancestor, Neandertals and modern humans each developed that trait on their own, perhaps favored by changes in climate, environment, or tool use experienced separately by the two species «more than half a million years of separate evolution,» writes Jean - Jacques Hublin, a paleoanthropologist at the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, in a commentary in Science.
Laland acknowledges that rapid evolution of the brain is not «inevitable by any stretch of the imagination.»
Next, Bertolero said, he and his co-authors plan to look into why evolution built a brain with distinct networks and connector hubs, precisely how connector hubs integrate and coordinate, and what happens when they are damaged by a stroke, for example.
The real question is, will human evolution continue to be limited by the ponderous rate of nature or will we overcome even this limitation with our brains?
By pairing these results with a look at the primate family tree, the team concluded that sometime in the recent evolution of humans, our brains outpaced chimp brains.
Researchers from the University of Wyoming and INRIA (France) led by Henok S. Mengistu simulated the evolution of computational brain models, known as artificial neural networks, both with and without a cost for network connections.
Now, by studying the lamprey, Caltech researchers have discovered an unexpected mechanism for the evolution of the neurons of the peripheral nervous system — nerves outside of the brain and spinal cord.
Primate brain size evolution is predicted by diet but not sociality.
The comparison of the relative size of the prefrontal region in primate brains is described in a paper titled «No relative expansion of the number of prefrontal neurons in primate and human evolution» by Herculano - Houzel and postdoctoral fellow Mariana Gabi published online this week in the Proceedings of the National Academy of Sciences early edition.
The rapid advance of the human brain, the authors maintain, has not been driven by evolution of protein sequences.
Rather, brain size is more accurately predicted by primates» diet, according to their new study published in the journal Nature Ecology and Evolution.
Organization and evolution of brain lipidome revealed by large - scale analysis of human, chimpanzee, macaque, and mouse tissues.
By labeling HAR1 molecules in human and macaque embryos, we discovered that the RNAs functioned in neurons during patterning and layout of the cortex, 6 a brain structure that expanded greatly in size during human evolution.7 Exactly which genes HAR1 is regulating remains to be determined.
Evolution of the mammalian brain, in part, has been enabled by a class of glial cells, oligodendrocytes, which provide the myelin.
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