Preprints (not yet peer-reviewed)

16 downloads
146 views

Background: Bilingualism is a universal phenomenon. Study of bilingual brain has provided evidence to probable advantageous outcomes of early second language learning and brain structural correlates to these outcomes. Preservation of cognitive function with aging...

["Neuroscience","Radiology and Medical Imaging"]
doi:10.7287/peerj.preprints.2853v1
17 downloads
114 views

We studied the effect of linearization on the repeatability of the Tofts and reference region models (RRM) for Dynamic Contrast-Enhanced MRI (DCE MRI). We compared the repeatabilities of these two linearized models, the standard non-linear version, and semi-quantitative...

["Mathematical Biology","Radiology and Medical Imaging","Statistics"]
doi:10.7287/peerj.preprints.2824v1
30 downloads
161 views

We comment on the recent developments and problems of three-dimensional printing in cardiology. Since there are currently no standards or consensuses for 3D printing in clinical medicine and the technology is at its infancy in cardiology, it’s very important to...

["Anatomy and Physiology","Cardiology","Clinical Trials","Radiology and Medical Imaging"]
doi:10.7287/peerj.preprints.2597v1
84 downloads
325 views

Myelin is a critical component of the nervous system and a major contributor to contrast in Magnetic Resonance (MR) images. However the precise contribution of myelination to multiple MR modalities is still under debate. The cuprizone mouse is a well established...

["Neuroscience","Radiology and Medical Imaging","Histology"]
doi:10.7287/peerj.preprints.2323v1
387 downloads
964 views

Three-dimensional (3D) data of many kinds is produced at an increasing rate throughout all scientific disciplines. The Portable Document Format (PDF) is the de-facto standard for the exchange of electronic documents and allows for embedding three-dimensional models....

["Radiology and Medical Imaging","Science and Medical Education"]
doi:10.7287/peerj.preprints.1594v4
279 downloads
1,698 views

Background. Imaging biomarkers hold tremendous promise in the precision medicine clinical applications. Development of such biomarkers relies heavily on image post-processing tools for automated image quantitation. Their deployment in the context of clinical research...

["Bioinformatics","Clinical Trials","Oncology","Radiology and Medical Imaging"]
doi:10.7287/peerj.preprints.1541v3
140 downloads
250 views

Background: Ketamine has been reported to have efficacy as an antidepressant in several studies of treatment-resistant depression. In this study, we investigate whether an acute administration of ketamine leads to reductions in the functional connectivity of subgenual...

["Neuroscience","Psychiatry and Psychology","Radiology and Medical Imaging","Computational Science"]
doi:10.7287/peerj.preprints.1436v1
137 downloads
244 views

Introduction. Conversion of images from DICOM format to other image formats affects measuring distances in images. Materials and methods. Distances in DICOM or JPEG images were measured with different zoom using 1.5T MRI scanning of human diaphragm during spontaneous...

["Anatomy and Physiology","Evidence Based Medicine","Radiology and Medical Imaging"]
doi:10.7287/peerj.preprints.1383v1
120 downloads
693 views

Introduction The relationship between participant motion, demographic variables and MRI-derived morphometric estimates was investigated in autism spectrum disorder (ASD), attention deficit hyperactivity disorder (ADHD) and schizophrenia. Participant motion was...

["Bioinformatics","Neurology","Psychiatry and Psychology","Radiology and Medical Imaging","Statistics"]
doi:10.7287/peerj.preprints.1363v1
162 downloads
222 views

Objective. To explore whether the image noises and the metal artifacts could be further managed by the combined use of two technologies, the adaptive statistical iterative reconstruction (ASIR) and the monochromatic imaging generated by gemstone spectral imaging...

["Orthopedics","Radiology and Medical Imaging","Computational Science"]
doi:10.7287/peerj.preprints.1306v1
108 downloads
395 views

Changes in hardware or image processing settings are a common issue for large multi-center studies. In order to pool MRI data acquired under these changed conditions, it is necessary to demonstrate that the changes do not affect MRI-based measurements. In these...

["Bioinformatics","Neurology","Radiology and Medical Imaging","Statistics"]
doi:10.7287/peerj.preprints.808v2
105 downloads
283 views

Background: In the daily operation of X-ray machine, radiation technologists need to have direct close contact with patients with known or potential infectious disease, resulting in environmental contamination by pathogens if hand hygiene was not properly observed....

["Bioengineering","Kinesiology","Radiology and Medical Imaging"]
doi:10.7287/peerj.preprints.1209v1
43 downloads
242 views

BACKGROUND: The ischemic damage of the sinus node (SN) is a well known cause of cardiac arrhythmias and can be a consequence of any flow abnormality in the sinus node artery (SNA). Accordingly we aimed this retrospective study to: 1. evaluate the suitability of...

["Cardiology","Evidence Based Medicine","Hematology","Internal Medicine","Radiology and Medical Imaging"]
doi:10.7287/peerj.preprints.1204v1
66 downloads
201 views

OBJECTIVE: A single PAN scan may provide more radiation to a patient than is felt to be safe within a one-year period. Our objective was to determine how many patients admitted to the trauma service following a PAN scan had prior CT imaging within our six-hospital...

["Emergency and Critical Care","Public Health","Radiology and Medical Imaging","Surgery and Surgical Specialties","Statistics"]
doi:10.7287/peerj.preprints.1010v1
71 downloads
292 views

Background. While Computed Tomography scanning is a powerful non-invasive tool for the study of paleoneurology, the neuroanatomy of turtles remains unexplored in comparison to other higher taxa. I herein present data on the morphology of intracranial structures...

["Neuroscience","Paleontology","Zoology","Radiology and Medical Imaging"]
doi:10.7287/peerj.preprints.1008v1
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