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on page 1 showing 4 out of 4 results

Cite this (NICHD Developmental Neuroethology - Laboratory of Comparative Ethology, RRID:SCR_000416)

URL: http://udn.nichd.nih.gov/

Resource Type: Resource, laboratory portal, portal, organization portal, data or information resource

Understanding the mechanisms underlying the expression and perception of auditory communication in nonhuman primates provides important insights for understanding the neural systems that mediate nonverbal auditory communication in humans. Our research is devoted to understanding the changes in vocal behavior that are associated with maturation and social experience under normative conditions, and to investigating neural systems to define their roles in auditory communication. The anterior cingulate gyrus, in the frontal cerebral cortex, is an essential neural system for the expression of the primate isolation call, a structural and functional equivalent of the cry sounds of humans. Bilateral removal of this structure in adult squirrel monkeys resulted in a long-lasting inability to emit isolation calls. Partial recovery, often over many weeks, initially took the form of production of short, faint and uninflected versions of the typical isolation call. Humans suffering infarct damage to this region likewise show an initial recovery in the form of short, faint, monosyllabic sounds, suggesting that the anterior cingulate gyrus of nonhuman primates is the evolutionary precursor of a neural structure involved in human affective expression and speech. Our working model of isolation call production is that the anterior cingulate gyrus is the site where the command to produce this vocalization is initiated. Since the anterior cingulate region also has reciprocal connections with temporal lobe auditory cortex, a presumptive feedback pathway exists for registering commands to initiate vocalization with the temporal lobe cortex, which plays a major role in perceiving and decoding the acoustic details of species-specific vocalizations. At present, we do not know the role of the anterior cingulate gyrus in the production of infant vocalizations. However, we have found that neonatal removal of the amygdala, an important forebrain component of the limbic system, or portions of the inferotemporal gyrus, which sends projections to the amygdala, result in significant changes in the vocal behavior of infant rhesus macaques. Vocal development is a dynamic process, and a pattern shared by several nonhuman primates has emerged regarding the nature of this process. Infants are highly vocal during periods of brief separation from their caregiver, and we take advantage of this to document the range of vocalizations produced by infants of different ages. In the neonatal period, infants of 3 species of nonhuman primate (rhesus macaque, squirrel monkey and common marmoset) all produce sounds that vary widely in their acoustic structure. Many of these bear a striking similarity to sounds used in a variety of social settings by adults, suggesting that neural systems responsible for generating adult vocalizations are already in place during early infancy. As infants mature, their vocal behavior during brief periods of social separation becomes much more stereotyped. It isn't until much later in development, as individuals engage in a variety of social interactions with peers and adults, that the sounds expressed in early infancy begin to re-appear in adult contexts. The role of individual experience during development is currently being explored to determine the mechanisms leading to the acquisition of adult vocal skills.

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Cite this (Primate Embryo Gene Expression Resource, RRID:SCR_002765)

URL: http://www.preger.org/

Resource Type: Resource, topical portal, production service resource, biomaterial supply resource, database, material service resource, service resource, portal, material resource, biomaterial manufacture, data or information resource

Sample collection of oocytes obtained from various sized antral follicles, and embryos obtained through a variety of different protocols. The PREGER makes it possible to undertake quantitative gene-expression studies in rhesus monkey oocytes and embryos through simple and cost-effective hybridization-based methods.

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Cite this (Rhesus Monkey Breeding and Research, RRID:SCR_008357)

URL: http://www.kccmr.org/

Resource Type: Resource, topical portal, organism supplier, organism-related portal, biomaterial supply resource, tissue bank, portal, cell repository, material resource, data or information resource

This colony provides a national resource of rhesus monkeys and their tissues to carry out research benefiting the scientific community. The RMBRR maintains a colony of monkeys that have been derived to be specific pathogen free for members of both the herpes and retrovirus families. Over its history, the RMBRR has developed specialized management techniques, housing facilities and highly trained staff to avail these purposefully bred laboratory models, which are 93% genetically identical to humans, to researchers worldwide. Historically, this animal model has been instrumental in research involving blood classification, polio vaccine development, and drug safety and efficacy while currently they are the preferred model for studying the mechanisms of immunodeficiency diseases. Their susceptibility to Simian Immunodeficiency Virus and their homology to the human major histocompatibility complex (MHC) Class I, II and TCR genes make them valuable in HIV research. They are currently the models of choice for HIV/AIDS vaccine development and study. Other areas of research include atherosclerosis, myocarditis, alcoholism, diabetes, cancer and aging. The overall objectives of this resource are to improve the resources available at the RMBRR and to conduct resource-relevant research that improves both the health of the rhesus colony and its usefulness for studies of human disease. The Resource and Management Core is responsible for providing animal resources, tissues/biological fluids, cell lines, expert advice and research support to NIH extramural and intramural programs, other federal agencies and to private sponsors. The Resource-Related Research Core conducts research to improve the health of the animals maintained with special emphasis on studies that will enhance the usefulness of the rhesus as a model for studies of human disease.

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Cite this (Washington National Primate Research Center, RRID:SCR_002761)

URL: http://www.wanprc.org/

Resource Type: Resource, topical portal, organism supplier, organism-related portal, biomaterial supply resource, portal, material resource, data or information resource

Center that aims to provide an environment to support biomedical research directed towards human health issues and nonhuman primate health and biology. To meet this mission, the WaNPRC supports biomedical research activities, professional research staff, specifically bred and maintained nonhuman primate colonies, and dedicated facilities and equipment required for nonhuman primate research protocols.

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