Sentences with phrase «chimpanzee brains»

These collections represent the largest consolidation of chimpanzee brain resources anywhere in the United States.

National Chimpanzee Brain Resource supported by NIH - National Institute of Neurological Disorders and Stroke

The brains were provided by the National Chimpanzee Brain Resource, which collects the brains of chimpanzees that have died from natural causes at zoos and research centers.

«Pathologic hallmarks of Alzheimer's found in aged chimpanzee brains.»

The study found that human and chimpanzee brain size were both greatly influenced by genetics.

SIGLEC11 is expressed in human but not in chimpanzee brain microglia.

To increase the availability of chimpanzee brain tissue, MRI scans, and related datasets for researchers

Groove patterns on the surface of modern chimpanzee brains throw a monkey wrench into proposals that some ancient southern African hominids evolved humanlike brain characteristics, a new study suggests.

Identification of in vivo sulci on the external surface of eight adult chimpanzee brains: implications for interpreting early hominin endocasts.

Researchers have discovered tell - tale signs of Alzheimer's disease in 20 elderly chimpanzee brains, rekindling a decades - old debate over whether humans are the only species that develop the debilitating condition.

Divergent whole - genome methylation maps of human and chimpanzee brains reveal epigenetic basis of human regulatory evolution.

The NCBR collection includes intact fixed specimens, as well as histologically - prepared sections from chimpanzee brains.

By examining brain regions most affected by Alzheimer's disease pathology in humans, the group demonstrated that amyloid beta plaques and blood vessels were present in all 20 aged chimpanzee brains.

The National Chimpanzee Brain Resource is supported by the National Institutes of Health (NIH) and is operated in partnership by the George Washington University, Georgia State and Yerkes National Primate Research Center.

«So while genetics determined human and chimpanzee brain size, it isn't as much of a factor for human cerebral organization as it is for chimpanzees.»

However, international shipment of chimpanzee brain tissue is not feasible due to restrictions related to CITES (the Convention on International Trade in Endangered Species of Wild Fauna and Flora).

The brains were provided by the National Chimpanzee Brain Resource, which collects the brains of chimpanzees that have died from natural causes at zoos and research centres.

Wray discovered that in human brains there were 2.5 to 3 times as many copies of SLC2A1 as there were in chimpanzee brains, suggesting the presence of more glucose transporters as well.

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.

«We found that the anatomy of the chimpanzee brain is more strongly controlled by genes than that of human brains, suggesting that the human brain is extensively shaped by its environment no matter its genetics,» said Aida Gómez - Robles, postdoctoral scientist at the GW Center for the Advanced Study of Human Paleobiology and lead author on the paper.

The human brains were from twins (identical and fraternal) or siblings; the chimpanzee brains had a variety of kinship relationships, including mothers and offspring or half siblings.

The research team studied 218 human brains and 206 chimpanzee brains to compare two things: brain size and organization as related to genetic similarity.

«Nature and nurture: Human brains evolved to be more responsive to environmental influences: Research examines genetic influence on size, organization of human, chimpanzee brains.»

Using a collection of chimpanzee brains that has been compiled over several decades, a team led by Mary Ann Raghanti, a biological anthropologist at Kent State University in Ohio, analysed the brains of 20 aged chimps that had died between 37 and 62 years of age.

This image shows tau - positive neuron (black) in proximity to amyloid deposits within blood vessels (red) in an aged chimpanzee brain.

Genes involved in microcephaly, a condition in which patients have brains roughly the size of chimpanzee brains, directly control the levels of BRCA1 expression, he says.

The NCBR also serves as a portal to access chimpanzee brain atlas tools, data repository, bibliography of publications, educational information, and links to other chimpanzee brain resources and datasets on the Internet.

The National Chimpanzee Brain Resource (NCBR) has the aim of facilitating research advancement through the collection and distribution of chimpanzee neuroimaging data and postmortem brain tissue.

If use of these data results in publication, please give reference to the National Chimpanzee Brain Resource (NS092988) in the methods section and the acknowledgements of manuscript.

The NCBR serves as a repository for in vivo structural MRI scans of chimpanzee brains, in vivo and postmortem diffusion tensor images (DTI), as well as postmortem fixed and frozen brain specimens.

The NCBR curates > 240 in vivo structural MRI scans of chimpanzee brains, 65 in vivo and 7 postmortem diffusion tensor images (DTI), > 240 postmortem fixed brain specimens, and > 75 fresh frozen brain specimens.

There are several other features of the chimpanzee brain that are more similar to humans than to other primates, including: 1) the ability to morphologically define both Broca's and Wernicke's area using similar landmarks to the human brain; 2) the dense distribution of von Economo neurons in the anterior cingulate and frontoinsular cortex; 3) a more complex level of connectivity and function within the arcuate fascicularis and mirror neuron systems.

For example, if a human HAR — one that turned up the human gene a lot — was injected into a chimpanzee brain cell, it would function the same way by turning up the activity of the chimp neuron a lot.