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Total 258 results found since Jan 2013.
Accelerated three‐dimensional cine phase contrast imaging using randomly undersampled echo planar imaging with compressed sensing reconstruction
The aim of this study was to implement and evaluate an accelerated three‐dimensional (3D) cine phase contrast MRI sequence by combining a randomly sampled 3D k‐space acquisition sequence with an echo planar imaging (EPI) readout. An accelerated 3D cine phase contrast MRI sequence was implemented by combining EPI readout with randomly undersampled 3D k‐space data suitable for compressed sensing (CS) reconstruction. The undersampled data were then reconstructed using low‐dimensional structural self‐learning and thresholding (LOST). 3D phase contrast MRI was acquired in 11 healthy adults using an overall acceleratio...
Source: NMR in Biomedicine - October 16, 2014 Category: Radiology Authors: Tamer A. Basha, Mehmet Akçakaya, Beth Goddu, Sophie Berg, Reza Nezafat Tags: Research article Source Type: research
Registration of challenging pre-clinical brain images
Publication date: 30 May 2013 Source:Journal of Neuroscience Methods, Volume 216, Issue 1 Author(s): William R. Crum , Michel Modo , Anthony C. Vernon , Gareth J. Barker , Steven C.R. Williams The size and complexity of brain imaging studies in pre-clinical populations are increasing, and automated image analysis pipelines are urgently required. Pre-clinical populations can be subjected to controlled interventions (e.g., targeted lesions), which significantly change the appearance of the brain obtained by imaging. Existing systems for registration (the systematic alignment of scans into a consistent anatomical coordinate...
Source: Journal of Neuroscience Methods - November 8, 2014 Category: Neuroscience Source Type: research
Parietal lesion Effects on cued recall following pair associate learning
Publication date: Available online 18 May 2015 Source:Neuropsychologia Author(s): Shir Ben-Zvi , Nachum Soroker , Daniel A. Levy We investigated the involvement of the posterior parietal cortex in episodic memory in a lesion-effects study of cued recall following pair-associate learning. Groups of patients who had experienced first-incident stroke, generally in middle cerebral artery territory, and exhibited damage that included lateral posterior parietal regions, were tested within an early post-stroke time window. In three experiments, patients and matched healthy comparison groups executed repeated study and cued reca...
Source: Neuropsychologia - May 20, 2015 Category: Neurology Source Type: research
The Woman Who Lost Her Sense of 'Mine'
(Photo: Steven Taylor)
By Melissa Dahl
People get attached to their stuff. Two-year-olds, for instance, have very strong opinions about what's theirs ("MINE!"), and are suspicious about sharing, no matter what nonsense their adult caregivers spew about this caring thing. And although (most) people eventually learn to follow appropriate social norms, that relationship to stuff and things still matters throughout the life span, and even, in a way, beyond it -- when you're gone, after all, your loved ones will likely inherit your most prized possessions. If nothing else, at least your memory will live on through, say, a par...
Source: Healthy Living - The Huffington Post - July 22, 2016 Category: Consumer Health News Source Type: news
After Moyamoya surgery, a back-to-normal birthday for Carolyn
Before Moyamoya surgery
Carolyn Milks turns 8 on August 21. It’s a big celebration. Carolyn and her family aren’t just celebrating her birthday — they’re celebrating Carolyn’s return to normal. For most of the summer, things like swimming, riding her bicycle and horsing around with her sisters and cousins had been out of the question for Carolyn.
But on August 11, Dr. Ed Smith, co-director of the Boston Children’s Hospital Cerebrovascular Surgery and Interventions Center, gave Carolyn the green light. She could go back to being a kid.
“This is what kids really want. They just want to ...
Source: Thrive, Children's Hospital Boston - August 18, 2016 Category: Pediatrics Authors: Joyce Choi Tags: Our Patients’ Stories Boston Children's at Waltham Cerebrovascular Surgery and Interventions Center Dr. Ed Smith moyamoya Source Type: news
A new life for Lynkin after encephalocele surgery
When you meet Lynkin Bell, the first things you notice are her big personality and chubby cheeks. You might also see how she adores her brother Lukis and hamming it up for the camera. But you’d never guess that this playful 14-month-old from Texas wasn’t expected to survive, never mind talk, stand or play peekaboo like a pro.
And yet, thanks to her parents’ faith and persistence — and surgery at Boston Children’s Hospital — Lynkin can do all those things, and lots more, with the gusto befitting any toddler her age.
“It’s a miracle,” says Kaylen Gaston, Lynkin’s mom. “We were told so many times she wou...
Source: Thrive, Children's Hospital Boston - April 24, 2017 Category: Pediatrics Authors: Ellen Greenlaw Tags: Diseases & Conditions Our Patients’ Stories Craniofacial Program Dr. John Meara Dr. Mark Proctor encephalocele Source Type: news
Full circle: From moyamoya patient to intern
It’s the last day of Justin Doo’s research internship in the Department of Neurology at Boston Children’s Hospital and he’s eager to join the team for a celebratory scoop of ice cream at JP Licks. Before he leaves, he meets with his supervisor, Dr. Laura Lehman — but they both know this isn’t a final goodbye. The 18-year-old will see Dr. Lehman again within the year, because he isn’t just her intern. He’s also her patient.
Unlike most summer interns, Justin has already spent plenty of time at Boston Children’s — more than a decade, in fact. When he was 7 years old, his parents brought him to the hospita...
Source: Thrive, Children's Hospital Boston - August 29, 2017 Category: Pediatrics Authors: Jessica Cerretani Tags: Diseases & Conditions Our Patients’ Stories Dr. Darren Orbach Dr. Edward Smith Dr. Laura Lehman Dr. Michael Scott moyamoya Moyamoya Disease Program Pial Synangiosis Source Type: news
Artificial Intelligence in Medicine: Hope or Hype?
The use of Artificial Intelligence (AI) is on the rise in the technology sector and has become a buzz-worthy topic in many corners of our digital world. The application of AI in the medical field holds great promise for improving patient health, but will doctors and patients feel comfortable using it? Young startups have begun leveraging this technology to prove better health outcomes, but there's still a lot to do before we'll see AI used pervasively in the clinic.
Current Landscape
To date, the sweet spot in healthcare AI has been pairing algorithms with structured exercises in reading patient data and medical images to...
Source: MDDI - January 3, 2018 Category: Medical Devices Authors: Brian Scogland Tags: Software Source Type: news
Neuroimaging and Neurolaw: Drawing the Future of Aging
Vincenzo Tigano1, Giuseppe Lucio Cascini2, Cristina Sanchez-Castañeda3, Patrice Péran4 and Umberto Sabatini5*
1Department of Juridical, Historical, Economic and Social Sciences, University of Magna Graecia, Catanzaro, Italy
2Department of Experimental and Clinical Medicine, University of Magna Graecia, Catanzaro, Italy
3Department of Clinical Psychology and Psychobiology, University of Barcelona, Barcelona, Spain
4ToNIC, Toulouse NeuroImaging Center, Université de Toulouse, Inserm, UPS, Toulouse, France
5Department of Medical and Surgical Sciences, University of Magna Graecia, Catanzaro, ...
Source: Frontiers in Endocrinology - April 7, 2019 Category: Endocrinology Source Type: research
Iron Metabolism and Brain Development in Premature Infants
Yafeng Wang1,2,3, Yanan Wu2, Tao Li1,2,3, Xiaoyang Wang2,4 and Changlian Zhu2,3*
1Department of Neonatology (NICU), Children’s Hospital Affiliated Zhengzhou University, Zhengzhou, China
2Henan Key Laboratory of Child Brain Injury, Institute of Neuroscience and Third Affiliated Hospital of Zhengzhou University, Zhengzhou, China
3Department of Clinical Neuroscience, Center for Brain Repair and Rehabilitation, Institute of Neuroscience and Physiology, University of Gothenburg, Gothenburg, Sweden
4Department of Physiology, Sahlgrenska Academy, Institute of Neuroscience and Physiology, University of Got...
Source: Frontiers in Physiology - April 24, 2019 Category: Physiology Source Type: research
More Research Is Needed on Lifestyle Behaviors That Influence Progression of Parkinson's Disease
This article highlights some of these challenges in the design of lifestyle studies in PD, and suggests a more coordinated international effort is required, including ongoing longitudinal observational studies. In combination with pharmaceutical treatments, healthy lifestyle behaviors may slow the progression of PD, empower patients, and reduce disease burden. For optimal care of people with PD, it is important to close this gap in current knowledge and discover whether such associations exist.
Introduction
Parkinson's disease (PD) is an age-related complex progressive neurodegenerative disorder, with key p...
Source: Frontiers in Neurology - April 29, 2019 Category: Neurology Source Type: research
Minimally ‐invasive parasternal aortic valve replacement–A slow learning curve towards improved outcomes
ConclusionsParasternal minimally ‐invasive aortic valve replacement is a feasible technique associated with a slow learning curve but the potential to achieve improved outcomes. Considering the transcatheter alternatives, the relative risk reduction may be worth investigating in future trials.
Source: Journal of Cardiac Surgery - January 14, 2020 Category: Cardiovascular & Thoracic Surgery Authors: Sophio Tkebuchava,
Gloria F ärber,
Christoph Sponholz,
Frank Fuchs,
Petra Heinisch,
Michael Bauer,
Torsten Doenst Tags: ORIGINAL ARTICLE Source Type: research
How AI Can Predict Heart Attacks and Strokes
Artificial intelligence is making its way into health care, and one of its first stops is making sense of all of those scans that doctors order. Already, studies have shown that AI-based tools can, in some cases, pick out abnormal growths that could be cancerous tumors better than doctors can, mainly because digesting and synthesizing huge volumes of information is what AI does best.
In a study published Feb. 14 in Circulation, researchers in the U.K. and the U.S. report that an AI program can reliably predict heart attacks and strokes. Kristopher Knott, a research fellow at the British Heart Foundation, and his team condu...
Source: TIME: Health - February 14, 2020 Category: Consumer Health News Authors: Alice Park Tags: Uncategorized Artificial Intelligence Heart Disease Source Type: news
RapidAI snags FDA clearance for neuroimaging analysis device
RapidAI, a health tech company specializing in stroke imaging, has received clearance from the FDA for its Rapid ASPECTS neuroimaging analysis device.
The product was designed to improve physicians ’ interpretations of Non-Contrast CT (NCCT) scans using the automated ASPECT score, according to the company. It uses the Alberta Stroke Program Early CT Scoring (ASPECTS) and machine learning to come up with an ASPECTS score for certain regions of the brain that have early signs of brain infarct ion.
Source: mobihealthnews - July 7, 2020 Category: Information Technology Source Type: news
Learning non-local perfusion textures for high-quality computed tomography perfusion imaging
CONCLUSIONS: The presented NPTN method can obtain high-quality CTP images and estimate high-accuracy CBF map by characterizing more structure details and contrast variants in the CTP image, and outperform the competing methods at low-dose cases.PMID:33910178 | DOI:10.1088/1361-6560/abfc90
Source: Physics in Medicine and Biology - April 28, 2021 Category: Physics Authors: Sui Li Dong Zeng Zhaoying Bian Danyang Li Manman Zhu Jing Huang Jianhua Ma Source Type: research
