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Estimation of the parameters of a visual stimulus from the responses of a realistic population of model visual neurons

K. N. Shokhirev, T. Kumar, D. A. Glaser
2010 Journal of Vision  
-Present University of California Berkeley, CA PhD Program in Physics • Thesis: The role of cortical feature maps in estimation of orientation • MA Physics, Researcher • Investigated interaction among  ...  Shokhirev K N, Glaser D A Interaction among cortical maps [Abstract] NEUROCOMPUTING 44: 993-1000 JUN 2002 Dharmasena G, Phillips TR, Shokhirev KN Parker GA, Keil M Vibrationally and rotationally resolved  ... 
doi:10.1167/3.12.81 fatcat:od2rr5q6cjcj3e7gnti4jvzoqa

Cortical topography of intracortical inhibition influences the speed of decision making

C. Wilimzig, P. Ragert, H. R. Dinse
2012 Proceedings of the National Academy of Sciences of the United States of America  
Although the role of cortical topographies for spatial localization is straightforward, these findings provide evidence that interaction processes within cortical maps are crucial for selection processes  ...  Whereas changes in decision making are often regarded as an outcome of higher cortical areas, our data show that the spatial layout of interaction processes within representational maps contributes to  ...  Other models assign a metric to the interaction among choices characterized by a given distance.  ... 
doi:10.1073/pnas.1114250109 pmid:22315409 pmcid:PMC3286921 fatcat:skoci4nuaze5dd4myoyrzrzhsm

Vascular risk and A interact to reduce cortical thickness in AD vulnerable brain regions

S. Villeneuve, B. R. Reed, C. M. Madison, M. Wirth, N. L. Marchant, S. Kriger, W. J. Mack, N. Sanossian, C. DeCarli, H. C. Chui, M. W. Weiner, W. J. Jagust
2014 Neurology  
Conclusion: Ab and vascular risk interact to enhance cortical thinning in posterior brain regions that are particularly vulnerable to AD.  ...  Ab and vascular risk were found to interact in posterior (especially in parietal) brain regions, where Ab has its greatest effect.  ...  Statistical cortical maps.  ... 
doi:10.1212/wnl.0000000000000550 pmid:24907234 pmcid:PMC4114172 fatcat:d7w3a4vggfeypmygjpip6crmde

Cablesvs. networks: old and new views on the function of motor cortex

Michael S. A. Graziano
2011 Journal of Physiology  
The study by Capaday et al. (2011) in this issue of The Journal of Physiology, examining the lateral interactions among neurons in motor cortex, represents an important step beyond the limited muscle-map  ...  They saw motor cortex as comprising a set of cortical centres, each centre a sophisticated processor of sensory and motor information that coordinated among the muscles and joints of a particular body  ... 
doi:10.1113/jphysiol.2011.209767 pmid:21572141 fatcat:4b6a77yxuvhv3aww4beu3aep5i

Cigarette smoking is associated with thinner cingulate and insular cortices in patients with severe mental illness

Kjetil Nordbø Jørgensen, Ingeborg Skjærvø, Lynn Mørch-Johnsen, Unn Kristin Haukvik, Elisabeth Heffermehl Lange, Ingrid Melle, Ole Andreas Andreassen, Ingrid Agartz
2015 Journal of Psychiatry & Neuroscience  
Among patients, maps of thickness along the whole cortical surface revealed reduced insular thickness but no effects in other regions.  ...  Among healthy controls, similar analyses revealed increased age-related cortical thinning in the left occipital lobe among smokers compared with nonsmokers.  ...  Whole brain analyses of cortical thickness Statistical maps showing main effects of smoking and interaction effects between smoking and age are shown in Fig. 2 .  ... 
doi:10.1503/jpn.140163 fatcat:dhzgkfurkrbzxdycvo7kshixee

Genome-wide interaction study of brain beta-amyloid burden and cognitive impairment in Alzheimer's disease

T Roostaei, A Nazeri, D Felsky, P L De Jager, J A Schneider, B G Pollock, D A Bennett, A N Voineskos
2016 Molecular Psychiatry  
Our results were further supported by similar interaction effects on temporal lobe cortical thickness (wholebrain voxelwise analysis: family-wise error corrected P=0.013) and longitudinal changes in ADAS-cog  ...  genetic variants that modify the relationship between cortical Aβ deposition and cognitive dysfunction.  ...  Aβ deposition interaction effect on cortical atrophy.  ... 
doi:10.1038/mp.2016.35 pmid:27021820 pmcid:PMC5042808 fatcat:rr4ehw6q7bf75n2d6tjzelswwm

Psychiatric polygenic risk associates with cortical morphology and functional organization in aging

Annie Lee, Mojun Shen, Anqi Qiu
2017 Translational Psychiatry  
Common brain abnormalities in cortical morphology and functional organization are observed in psychiatric disorders and aging, reflecting shared genetic influences.  ...  Interestingly, the genes in PRS cross , that contributed most to aging neurodegeneration, were expressed in the functioanlly connected cortical regions.  ...  Panel a shows statistical maps of age by PRS cross interaction on cortical thickness.  ... 
doi:10.1038/s41398-017-0036-z pmid:29225336 pmcid:PMC5802582 fatcat:x5gq2hclqzdhlhzcf7rdantc4m

Blood pressure‐related differences in brain health between young African Americans and Caucasian Americans

Junyeon Won, Sushant M. Ranadive, Daniel D. Callow, Shuo Chen, J. Carson Smith
2021 Physiological Reports  
After controlling for age, sex, education, and BMI, there were significant Race × MAP interaction effects on cognitive composite scores and cortical thickness.  ...  Among AAs but not CAs, as MAP increased, both global cognitive performance and entorhinal cortex (ERC) thickness decreased.  ...  | Between-group differences on cognitive and brain assessments | Interaction between race and MAP on cognition | Interactions between race and MAP on brain volume/cortical thickness While there  ... 
doi:10.14814/phy2.14819 pmid:33769700 pmcid:PMC7995666 fatcat:rmc7yg5pmnc2nptlj6avso7gpe

Page 430 of The Journal of Neuroscience Vol. 14, Issue 1 [page]

1994 The Journal of Neuroscience  
The cortical maps of orientation selectivity, spatial frequency, and other properties are primarily determined by interactions within cortex, but the input corre- lations and arborizations also contribute  ...  This is consistent with exper- imental measurements of preferred spatial frequencies of visual cortical cells and of correlations among adult retinal ganglion cells.  ... 

Cortical thickness and functional networks modules by cortical lobes [article]

Vesna Vuksanović
2019 biorxiv/medrxiv   pre-print
Finally, I showed that overlapping positive edges map onto within-lobe cortical interactions and negative onto between-lobes interactions.  ...  Secondly, I mapped the overlapping edges of cortical thickness and functional networks for positive and negative correlations.  ...  The physiological mechanisms underlying the thickness correlation among cortical areas remain unclear.  ... 
doi:10.1101/670232 fatcat:pf2g3gycena4vn3wvwpforkhvm

eConnectome: A MATLAB toolbox for mapping and imaging of brain functional connectivity

Bin He, Yakang Dai, Laura Astolfi, Fabio Babiloni, Han Yuan, Lin Yang
2011 Journal of Neuroscience Methods  
Major functions of eConnectome include EEG/ECoG preprocessing, scalp spatial mapping, cortical source estimation, connectivity analysis, and visualization.  ...  We have developed a MATLAB-based toolbox, eConnectome (electrophysiological connectome), for mapping and imaging functional connectivity at both the scalp and cortical levels from the electroencephalogram  ...  SEM), the Granger causality analysis can be used to determine the directional causal interaction among electrophysiological signals.  ... 
doi:10.1016/j.jneumeth.2010.11.015 pmid:21130115 pmcid:PMC3244474 fatcat:zopwwskqxzcm7n56vywkrbhh64

Association of Cannabis Use During Adolescence With Neurodevelopment

Matthew D Albaugh, Jonatan Ottino-Gonzalez, Amanda Sidwell, Claude Lepage, Anthony Juliano, Max M Owens, Bader Chaarani, Philip Spechler, Nicholas Fontaine, Pierre Rioux, Lindsay Lewis, Seun Jeon (+28 others)
2021 JAMA psychiatry  
spatial pattern of cannabis-related thinning was associated with age-related thinning in this sample (r = 0.540; P < .001), and a positron emission tomography-assessed cannabinoid 1 receptor-binding map  ...  Analysis revealed that thinning in right prefrontal cortices, from baseline to follow-up, was associated with attentional impulsiveness at follow-up.  ...  We found that the statistical map of age-related cortical change was significantly correlated with statistical maps of the time × cannabis interaction on cortical thickness as well as the main association  ... 
doi:10.1001/jamapsychiatry.2021.1258 pmid:34132750 pmcid:PMC8209561 fatcat:5gddwdazyjfp3d75he36smqgau

Viral and anatomical approaches for mapping feedback cortico-cortical connections in the visual system

Ami Tsuboi, Toshiaki Suzuki, Masanari Onda, Masahiro Yamaguchi, Nao Morimoto, Fumitaka Osakada
2018 Proceedings for Annual Meeting of The Japanese Pharmacological Society  
Interestingly, the proportion of the feedback inputs was biased from a particular HVA among all cortical areas.  ...  Here we anatomically map feedback connections to HVA-projecting V1 neurons using rabies virus tracing.  ...  Interestingly, the proportion of the feedback inputs was biased from a particular HVA among all cortical areas.  ... 
doi:10.1254/jpssuppl.wcp2018.0_po2-9-16 fatcat:me7ss32km5daterg7rk5pumh5q

Reentrant signaling among simulated neuronal groups leads to coherency in their oscillatory activity

O. Sporns, J. A. Gally, G. N. Reeke, G. M. Edelman
1989 Proceedings of the National Academy of Sciences of the United States of America  
Recent experiments have revealed tightly synchronized oscillatory discharges in local assemblies of cortical neurons as well as phase coherency of oscillations at distant cortical sites.  ...  Instead, reentrant interactions among multiple neuronal maps can give rise to new properties.  ...  The previous reentrant cortical integration model (7) demonstrated the rich possibilities and emergent properties that arise from reentrant interactions among multiple segregated areas.  ... 
doi:10.1073/pnas.86.18.7265 pmid:2780571 pmcid:PMC298038 fatcat:stsm4i3wjvgifnqqcdprknid5i

Cortical patterning of abnormal morphometric similarity in psychosis is associated with brain expression of schizophrenia related genes: Supplementary Information [article]

Sarah E Morgan, Jakob Seidlitz, Kirstie Whitaker, Rafael Romero-Garcia, Nicholas E Clifton, Cristina Scarpazza, Therese van Amelsvoort, Machteld Marcelis, Jim van Os, Gary Donohoe, David Mothersill, Aiden Corvin (+5 others)
2018 bioRxiv   pre-print
Using prior brain-wide gene expression data, we found that the cortical map of case-control differences in MS was spatially correlated with cortical expression of a weighted combination of genes enriched  ...  network, may interact to drive structural brain network changes in schizophrenia.  ...  expression map most similar to the cortical map of case-control MS differences.  ... 
doi:10.1101/501494 fatcat:qpbyqnvhwjam7hjs2wvlzev2hm
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