Search Results - "Johnson, Kenneth O."

A Continuum Mechanical Model of Mechanoreceptive Afferent Responses to Indented Spatial Patterns by Sripati, Arun P, Bensmaia, Sliman J, Johnson, Kenneth O

“…1 Krieger Mind/Brain Institute, and 2 Departments of Electrical and Computer Engineering, and 3 Neuroscience, Johns Hopkins University, Baltimore, Maryland…”
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Sectoral segmentation of retinal amyloid imaging in subjects with cognitive decline by Dumitrascu, Oana M., Lyden, Patrick D., Torbati, Tania, Sheyn, Julia, Sherzai, Ayesha, Sherzai, Dean, Sherman, Dale S., Rosenberry, Ryan, Cheng, Susan, Johnson, Kenneth O., Czeszynski, Alan D., Verdooner, Steven, Frautschy, Sally, Black, Keith L., Koronyo, Yosef, Koronyo‐Hamaoui, Maya

“…Introduction Despite advances in imaging retinal amyloidosis, a quantitative and topographical investigation of retinal amyloid beta burden in patients with…”
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Retinal peri-arteriolar versus peri-venular amyloidosis, hippocampal atrophy, and cognitive impairment: exploratory trial by Dumitrascu, Oana M, Doustar, Jonah, Fuchs, Dieu-Trang, Koronyo, Yosef, Sherman, Dale S, Miller, Michelle Shizu, Johnson, Kenneth O, Carare, Roxana O, Verdooner, Steven R, Lyden, Patrick D, Schneider, Julie A, Black, Keith L, Koronyo-Hamaoui, Maya

“…The relationship between amyloidosis and vasculature in cognitive impairment and Alzheimer's disease (AD) pathogenesis is increasingly acknowledged. We…”
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Retinal Venular Tortuosity Jointly with Retinal Amyloid Burden Correlates with Verbal Memory Loss: A Pilot Study by Dumitrascu, Oana M, Rosenberry, Ryan, Sherman, Dale S, Khansari, Maziyar M, Sheyn, Julia, Torbati, Tania, Sherzai, Ayesha, Sherzai, Dean, Johnson, Kenneth O, Czeszynski, Alan D, Verdooner, Steven, Black, Keith L, Frautschy, Sally, Lyden, Patrick D, Shi, Yonggang, Cheng, Susan, Koronyo, Yosef, Koronyo-Hamaoui, Maya

“…Retinal imaging is a non-invasive tool to study both retinal vasculature and neurodegeneration. In this exploratory retinal curcumin-fluorescence imaging (RFI)…”
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Tactile Functions of Mechanoreceptive Afferents Innervating the Hand by Johnson, Kenneth O, Yoshioka, Takashi, Vega–Bermudez, Francisco

“…SUMMARYFour types of mechanoreceptive afferents innervate the glabrous skin of the hand. Evidence from more than three decades of combined psychophysical and…”
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Spatiotemporal Receptive Fields of Peripheral Afferents and Cortical Area 3b and 1 Neurons in the Primate Somatosensory System by Sripati, Arun P, Yoshioka, Takashi, Denchev, Peter, Hsiao, Steven S, Johnson, Kenneth O

“…Neurons in area 3b have been previously characterized using linear spatial receptive fields with spatially separated excitatory and inhibitory regions. Here,…”
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Halter traction for cervical spine injuries - initial treatment in the district hospital by Johnson, Jr, O Kenneth, Das, Rathindra N

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Automated optimal detection and classification of neural action potentials in extra-cellular recordings by Thakur, Pramodsingh H., Lu, Hanzhang, Hsiao, Steven S., Johnson, Kenneth O.

“…Determination of single unit spikes from multiunit spike trains plays a critical role in neurophysiological coding studies which require information about the…”
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Neural Coding Mechanisms Underlying Perceived Roughness of Finely Textured Surfaces by Yoshioka, Takashi, Gibb, Barbara, Dorsch, Andrew K, Hsiao, Steven S, Johnson, Kenneth O

“…Combined psychophysical and neurophysiological studies have shown that the perceived roughness of surfaces with element spacings of >1 mm is based on spatial…”
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Efficient sample density estimation by combining gridding and an optimized kernel by Zwart, Nicholas R., Johnson, Kenneth O., Pipe, James G.

“…The reconstruction of non‐Cartesian k‐space trajectories often requires the estimation of nonuniform sampling density. Particularly for 3D, this calculation…”
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Structure of Receptive Fields in Area 3b of Primary Somatosensory Cortex in the Alert Monkey by DiCarlo, James J, Johnson, Kenneth O, Hsiao, Steven S

“…We investigated the two-dimensional structure of area 3b neuronal receptive fields (RFs) in three alert monkeys. Three hundred thirty neurons with RFs on the…”
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Neural Coding Mechanisms in Tactile Pattern Recognition: The Relative Contributions of Slowly and Rapidly Adapting Mechanoreceptors to Perceived Roughness by Blake, David T, Hsiao, Steven S, Johnson, Kenneth O

“…Tactile pattern recognition depends on form and texture perception. A principal dimension of texture perception is roughness, the neural coding of which was…”
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Spatial and Temporal Structure of Receptive Fields in Primate Somatosensory Area 3b: Effects of Stimulus Scanning Direction and Orientation by DiCarlo, James J, Johnson, Kenneth O

“…This is the third in a series of studies of the neural representation of tactile spatial form in somatosensory cortical area 3b of the alert monkey. We…”
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A new design and rationale for 3D orthogonally oversampled k-space trajectories by Pipe, James G., Zwart, Nicholas R., Aboussouan, Eric A., Robison, Ryan K., Devaraj, Ajit, Johnson, Kenneth O.

“…A novel center‐out 3D trajectory for sampling magnetic resonance data is presented. The trajectory set is based on a single Fermat spiral waveform, which is…”
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Ameloblastoma resection with immediate rib reconstruction: addressing the problem of mandibular angle and central bone bulk by Johnson, O Kenneth, Sharma, Kapil

“…Several methods are available to treat mandibular tumours. This case series demonstrates the feasibility of resection and immediate reconstruction with free…”
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Simple adaptation for dynamic Bogota bag by Johnson, O Kenneth

“…The use of a large Bogota bag tucked well under fascial edges to the colonic gutters and easily made elastic bands from Esmarch bandage provides a dynamic…”
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Convolution kernel design and efficient algorithm for sampling density correction by Johnson, Kenneth O., Pipe, James G.

“…Sampling density compensation is an important step in non‐cartesian image reconstruction. One of the common techniques to determine weights that compensate for…”
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A psychophysical study of the mechanisms of sensory recovery following nerve injury in humans by Van Boven, R W, Johnson, K O

“…Twenty-four subjects were studied before and up to 1 year after surgery that produced injury to a major sensory branch of the trigeminal nerve. We employed a…”
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Simultaneous open preperitoneal repair of inguinal hernia with open prostatectomy for benign prostate hyperplasia by Johnson, O Kenneth

“…Where surgical resources are slim, patients may suffer the obstructive symptoms of benign prostate hyperplasia until they present with frank urinary retention…”
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Monkey Cutaneous SAI and RA Responses to Raised and Depressed Scanned Patterns: Effects of Width, Height, Orientation, and a Raised Surround by Blake, David T, Johnson, Kenneth O, Hsiao, Steven S

“…David T. Blake , Kenneth O. Johnson , and Steven S. Hsiao Krieger Mind/Brain Institute, Johns Hopkins University, Baltimore, Maryland 21218 Blake, David T.,…”
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