Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 416 for “"primate"”.
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Insights into the primate microbiome
Limited Restriction Lifted for Item 114016 on 2022-03-03T10:15:08Z.
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Comparative analysis of primate hydrogenotrophic microbiota
… microbial communities among different primate species. Here I analyzed the composition of methanogens and SRB in various species of primates using PCR-DGGE fingerprinting targeting Archaea and Desulfovibrionales 16S rDNA, clone library construction of Archaea 16S rDNA and mcrA gene, and …
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The mesostriatal system in the primate
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Brain and Cognitive Sciences, 1989.
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Functional Dynamics of Primate Retinal Ganglion Cells
… to explore such processing in the retina. Most primate retinal ganglion cells fall into two broad classes, M and P, which have many anatomical and physiological differences. The responses of M and P cells to luminance and chromatic signals were studied using nonlinear systems analysis to …
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Spatial Transcriptome Profiling of Gastrulating Primate Embryos
… embryos, using the marmoset, an established primate model, to study conserved human postimplantation embryo developmental processes. I first characterised marmoset embryos of three early postimplantation developmental stages on a morphological and molecular level, which allowed me to then …
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Pluripotency and patterning in nonhuman primate embryogenesis
… of this property of the early embryo. However, primate embryogenesis differs in anatomical architecture, developmental timing, and molecular configuration. Obvious ethical considerations limit human embryo research, thus nonhuman primates offer an opportunity to unravel primate-specific features …
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Modular organization of the primate corticostriatal system
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Brain and Cognitive Sciences, 1996.
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On and off channels in primate vision
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Brain and Cognitive Sciences, 1992.
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Multi-item memory in the primate prefrontal cortex
The ability to retain multiple items in short-term memory is fundamental for cognition, yet almost nothing is known about its neural basis. To explore the mechanisms underlying this ability, we trained two monkeys to remember a sequence of two images across a short delay. We then recorded the …
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Segmentation of Subcortical Structures from Nonhuman Primate MRI
… of subcortical structures within the nonhuman primate can potentially have a profound impact on studying the relationship between volumetric characteristics and alcohol dependencies. Image segmentations have been widely used in quantifying structural information. There are a variety of methods …
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A Global GIS Analysis of Primate Diversity and Biogeography: Assessing Trends in Habitat Loss and Extinction Risk to Inform Primate Conservation
… of slowing. This forest loss severely impacts primates, which are one of the most diverse and threatened species groups on earth with more than two-thirds classified as “Threatened” (i.e. Vulnerable, Endangered or Critically Endangered) by the IUCN. Primates are keystone species and essential …
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Alu retrotransposition-mediated genomic variation within the primate order
… are an active family of mobile elements within primate genomes and the Short INterspersed Element (SINE) Alu is the most abundant member. These non-autonomous elements are responsible for introducing genomic diversity on an intra- and inter- species level that is useful in studies of forensic …
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Stimulus Integration and Parsing in the Primate Auditory Midbrain
… influences perception of sounds in a nonhuman primate. The central nucleus of the inferior colliculus is the major ascending relay of auditory information before it reaches the forebrain, and thus an ideal target for understanding low-level information processing prior to the forebrain, as …
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Mechanisms of Sensory Adaptation in the Primate Visual System
<p>Under ecological conditions, the luminance impinging on the retina varies within a dynamic range of 220 dB. Stimulus contrast can also vary drastically within a scene, and eye movements leave little time for sampling luminance. In addition, the amount of information reaching our visual system …
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The role of mobile elements in recent primate genomes
… elements (MEs), which constitute ~50% of the primate genomes, have contributed to both genome evolution and gene function as demonstrated by ample evidence discovered over the last few decades. The three studies in this thesis aims to provide a better understanding of the evolutionary profile …
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Baboon vaginal microbiota: an overlooked aspect of primate physiology
… bacterial population of the vaginal canal is a primate infant’s first exposure to the microbial community inhabiting the outside world. Yet, little is known about this community and the effect it might have on the development and survival of the infant. Humans and Papio baboons share …
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The analysis of complex motion patterns in primate cortex
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Brain and Cognitive Sciences, 1995.
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