Search Results - "Smith, Rachel G."

Subcortical Brain Development in Autism and Fragile X Syndrome: Evidence for Dynamic, Age- and Disorder-Specific Trajectories in Infancy by Shen, Mark D., Swanson, Meghan R., Wolff, Jason J., Elison, Jed T., Girault, Jessica B., Kim, Sun Hyung, Smith, Rachel G., Graves, Michael M., Weisenfeld, Leigh Anne H., Flake, Lisa, MacIntyre, Leigh, Gross, Julia L., Burrows, Catherine A., Fonov, Vladimir S., Collins, D. Louis, Evans, Alan C., Gerig, Guido, McKinstry, Robert C., Pandey, Juhi, St. John, Tanya, Zwaigenbaum, Lonnie, Estes, Annette M., Dager, Stephen R., Schultz, Robert T., Styner, Martin A., Botteron, Kelly N., Hazlett, Heather C., Piven, Joseph

“…Objective:Previous research has demonstrated that the amygdala is enlarged in children with autism spectrum disorder (ASD). However, the precise onset of this…”
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Development of cortical shape in the human brain from 6 to 24months of age via a novel measure of shape complexity by Kim, Sun Hyung, Lyu, Ilwoo, Fonov, Vladimir S., Vachet, Clement, Hazlett, Heather C., Smith, Rachel G., Piven, Joseph, Dager, Stephen R., Mckinstry, Robert C., Pruett, John R., Evans, Alan C., Collins, D. Louis, Botteron, Kelly N., Schultz, Robert T., Gerig, Guido, Styner, Martin A.

“…The quantification of local surface morphology in the human cortex is important for examining population differences as well as developmental changes in…”
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ipso-Fluorination of aryltrimethylsilanes using xenon difluoride by Lothian, Aileen P., Ramsden, Christopher A., Shaw, Maxine M., Smith, Rachel G.

“…Reaction of aryltrimethylsilanes with xenon difluoride in C 6F 6/Pyrex ® at room temperature gives aryl fluorides in good yield. The reaction is inhibited when…”
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Asymmetric bias in user guided segmentations of brain structures by Maltbie, Eric, Bhatt, Kshamta, Paniagua, Beatriz, Smith, Rachel G., Graves, Michael M., Mosconi, Matthew W., Peterson, Sarah, White, Scott, Blocher, Joseph, El-Sayed, Mohammed, Hazlett, Heather C., Styner, Martin A.

“…Brain morphometric studies often incorporate comparative hemispheric asymmetry analyses of segmented brain structures. In this work, we present evidence that…”
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Adaptive prior probability and spatial temporal intensity change estimation for segmentation of the one-year-old human brain by Kim, Sun Hyung, Fonov, Vladimir S., Dietrich, Cheryl, Vachet, Clement, Hazlett, Heather C., Smith, Rachel G., Graves, Michael M., Piven, Joseph, Gilmore, John H., Dager, Stephen R., McKinstry, Robert C., Paterson, Sarah, Evans, Alan C., Collins, D. Louis, Gerig, Guido, Styner, Martin Andreas

“…► We propose the intensity growth maps (IGM) to perform segmentation of one-year old data. ► The IGM captured intensity changes of 20–25% in immature WM…”
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Diffusion imaging quality control via entropy of principal direction distribution by Farzinfar, Mahshid, Oguz, Ipek, Smith, Rachel G., Verde, Audrey R., Dietrich, Cheryl, Gupta, Aditya, Escolar, Maria L., Piven, Joseph, Pujol, Sonia, Vachet, Clement, Gouttard, Sylvain, Gerig, Guido, Dager, Stephen, McKinstry, Robert C., Paterson, Sarah, Evans, Alan C., Styner, Martin A.

“…Diffusion MR imaging has received increasing attention in the neuroimaging community, as it yields new insights into the microstructural organization of white…”
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Reduced Relationship to Cortical White Matter Volume Revealed by Tractography-Based Segmentation of the Corpus Callosum in Young Children With Developmental Delay by Cascio, Carissa, Styner, Martin, Smith, Rachel G., Poe, Michele D., Gerig, Guido, Hazlett, Heather C., Jomier, Matthieu, Bammer, Roland, Piven, Joseph

“…Objective: The corpus callosum is the primary anatomical substrate for interhemispheric communication, which is important for a range of adaptive and cognitive…”
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19F NMR and UV studies of xenon difluoride solution-vessel stability and its relevance to the fluorination of organic substrates by Shaw, Maxine M., Smith, Rachel G., Ramsden, Christopher A.

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On the Modes of Reaction of Xenon Difluoride with Organic Substrates:  The Influence of Solvent and Vessel by Ramsden, Christopher A, Smith, Rachel G

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Reaction of Silyl Enol Ethers with Xenon Difluoride in MeCN:  Evidence for a Nonclassical Radical Cation Intermediate by Ramsden, Christopher A, Smith, Rachel G

“…The reactions of xenon difluoride in MeCN solution in Pyrex flasks with a series of TMS enol ethers have been investigated. The types of products formed are…”
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Xenon Difluoride Exchanges Fluoride under Mild Conditions: A Simple Preparation of [18F]Xenon Difluoride for PET and Mechanistic Studies by Constantinou, Maria, Aigbirhio, Franklin I, Smith, Rachel G, Ramsden, Christopher A, Pike, Victor W

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Environmental indicators of lake ecosystem health in Aotearoa New Zealand: current state and trends by Kuczynski, Anika, Smith, Rachel G.R., Fraser, Caroline E., Larned, Scott T.

“…[Display omitted] •New methods were used to assess state and trends in lake ecosystem indicators.•Trophic state analyses indicated that most monitored lakes…”
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Development of Cortical Shape in the Human Brain from 6 to 24 Months of Age via a Novel Measure of Shape Complexity by Kim, Sun Hyung, Lyu, Ill Woo, Fonov, Vladimir S., Vachet, Clement, Hazlett, Heather C., Smith, Rachel G., Piven, Joseph, Dager, Stephen R., McKinstry, Robert C., Pruett, John R., Evans, Alan C., Collins, D. Louis, Botteron, Kelly N., Schultz, Robert T., Gerig, Guido, Styner, Martin A.

“…The quantification of local surface morphology in the human cortex is important for examining population differences as well as developmental changes in…”
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The reaction of xenon difluoride with chloroform by Shaw, Maxine M, Smith, Rachel G, Ramsden, Christopher A

“…The reaction of xenon difluoride with chloroform in PTFE–FEP, Pyrex and quartz tubes has been studied using 19 F and 13 C NMR spectroscopy. The detection of…”
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Novel reactions of xenon difluoride: a mechanistic and synthetic study by Smith, Rachel G

“…Xenon difluoride is a versatile fluorinating agent whose power has led to its effective use in a variety of synthetic problems. However, the confusion…”
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