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Glyn Humphreys obituary
Key figure in cognitive neuroscience whose research helped many stroke victimsWhen the neuropsychologist Glyn Humphreys, who has died suddenly aged 61, took up his first lectureship, at Birkbeck College, London, a student with a background in physiotherapy joined his class. She asked about the implications of David Marr’s theory of visual perception for the understanding of patients who experience visual disturbances after suffering a stroke. This led to a lively discussion and a subsequent visit to a stroke clinic. It proved to be a turning point in Glyn’s research, highlighting the many ways in which brain damage can...
Source: Guardian Unlimited Science - February 9, 2016 Category: Science Authors: Maggie Snowling Tags: Neuroscience Psychology Birkbeck, University of London Disability University of Oxford Source Type: news
Safety and Efficacy of IV-tPA Use in Patients 80 Years and Older- A Retrospective Review (P2.305)
Conclusion—We observed no increase in sICH post IV-tPA in patients 80+ when compared to those younger. Higher mortality in those 80+ likely due to baseline disabilities. Within the 80+ group, predictors of mortality and poor outcomes included disabilities prior to hospitalization, prior stroke/TIA, higher NIHSS at admission, sICH post treatment and higher diastolic blood pressure.Disclosure: Dr. Lau has nothing to disclose. Dr. Romero has nothing to disclose. Dr. Kwan has nothing to disclose. Dr. Kase has nothing to disclose. Dr. Babikian has nothing to disclose.
Source: Neurology - April 3, 2016 Category: Neurology Authors: Lau, H., Romero, J., Kwan, S., Kase, C., Babikian, V. Tags: Acute Therapy: IV t-PA Source Type: research
Does the Brain Filter out a Wider Awareness?
The human brain has amazing capacities. It contains billions of neurons, allowing it to process vast quantities of information so that we can function effectively. But can we have too much information? Yes, and, in fact, filtering information is one of the brain's most important functions. Brain filtering is an adaptive strategy and ensures that only the information relevant to our goals is allowed into our consciousness. This keeps us from being flooded with irrelevancies that might distract us.
To introduce brain filtering to my neuroscience students, I show them a video of two teams throwing a ball back and forth, and ...
Source: Science - The Huffington Post - May 9, 2016 Category: Science Source Type: news
Thirty-year risk of cardiovascular disease in senior medical students - based on the StudHeart study.
CONCLUSIONS: Based on FHS 30-Year CVD risk, elevated risk occurred in almost one-fourth of students. Prophylactic actions should be performed, especially in men.
PMID: 27516798 [PubMed]
Source: Polish Journal of Cardio-Thoracic Surgery - August 16, 2016 Category: Cardiovascular & Thoracic Surgery Tags: Kardiochir Torakochirurgia Pol Source Type: research
Comprehensive Sickle Cell Disease Management Is Associated with Superior Grade Attainment and High School Graduation Rates
Discussion: In this cohort, a high percentage of patients (86.7%) graduated or were on track to graduate from high school. In the United States, approximately 90% of patients with SCD are African American. All patients analyzed here were African American. With this in mind, ACHSCDP patients' graduation rate compares favorably to estimated graduation rates across the US general population (84%), the U.S. African America population (76%), the U.S. sickle cell patient population (71%), the Ohio general population (84%), and the Ohio African American population (68%).The higher graduation rate among children at the ACHSCDP is ...
Source: Blood - November 21, 2018 Category: Hematology Authors: Schulte, K., Mikofalvy, K., Beck, L., Bodas, P. V. Tags: 901. Health Services Research-Non-Malignant Conditions: Poster III Source Type: research
Comparison of Incremental Intermittent and Time Trial Testing in Age-Group Swimmers
Zacca, R, Azevedo, R, Peterson Silveira, R, Vilas-Boas, JP, Pyne, DB, Castro, FAdS, and Fernandes, RJ. Comparison of incremental intermittent and time trial testing in age-group swimmers. J Strength Cond Res 33(3): 801–810, 2019—The aim of this study was to compare physiological and biomechanical characteristics between an incremental intermittent test and a time trial protocol in age-group swimmers. Eleven national level age-group swimmers (6 men and 5 women) performed a 7 × 200-m incremental intermittent protocol (until exhaustion; 30-second rest) and a 400-m test (T400) in front crawl on separate days. Cardiorespir...
Source: Journal of Strength and Conditioning Research - February 21, 2019 Category: Sports Medicine Tags: Original Research Source Type: research
Age Is a Greater Influence on Small Saccades Than Target Size in Normal Subjects on the Horizontal Video Head Impulse Test
Conclusion: While this study suggests that target size may have a statistically significant impact on the vHIT saccade profile of normal subjects, age has a greater influence on the incidence and size of small vHIT saccades.
Introduction
The video head impulse test (vHIT) is a quantitative adaptation of the clinical head impulse test (1), and enables functional assessment of the high-frequency angular vestibulo-ocular reflex (VOR) in all three planes of head rotation (2, 3). Lightweight goggles worn by the subject detect head movement using an accelerometer and gyroscope, and a high frame rate video camera tracks eye...
Source: Frontiers in Neurology - April 15, 2019 Category: Neurology Source Type: research
Hemodynamic Characteristics Associated With Paraclinoid Aneurysm Recurrence in Patients After Embolization
Conclusions: High peak systolic WSS, OSI and velocity around aneurysm neck areas after embolization of paraclinoidal aneurysms may be important factors leading to recurrence.
Introduction
Paraclinoid aneurysms are defined as aneurysms arising from the segment of the internal carotid artery (ICA) between the distal dural ring and the origin of the posterior communicating artery. They account for approximately 1.3–5% of all intracranial aneurysms and they comprise the majority of such aneurysms in females (1–3). Hemodynamic characteristics are thought to be the most important risk factors for occurrence...
Source: Frontiers in Neurology - April 24, 2019 Category: Neurology Source Type: research
Sex Differences in Sex Hormone Profiles and Prediction of Consciousness Recovery After Severe Traumatic Brain Injury
Conclusion: These findings indicate that TBI differentially affects the levels of sex-steroid hormones in men and women patients. Plasma levels of testosterone could be a good candidate blood marker to predict recovery from unconsciousness after sTBI for male patients.
Introduction
Traumatic brain injury (TBI) is a major cause of death and disability worldwide and is increasing in incidence (1). Patients with acute severe TBI (sTBI) often develop severe disorders of consciousness, i.e., coma, minimally conscious state or vegetative state. Although many patients may regain consciousness during the 1-month post-TBI p...
Source: Frontiers in Endocrinology - April 25, 2019 Category: Endocrinology Source Type: research
Comparative Validity of the American Speech-Language-Hearing Association's National Outcomes Measurement System, Functional Oral Intake Scale, and G-Codes to Mann Assessment of Swallowing Ability Scores for Dysphagia.
Discussion All 3 clinical dysphagia tools demonstrate acceptable validity in supporting G-Code designation to stroke cases. The FOIS demonstrated superior validity and utility across time points. The NOMS Dysphagia Scale was significantly affected by data missingness due to the multiconstruct nature of the tool.
PMID: 31136231 [PubMed - in process]
Source: American Journal of Speech-Language Pathology - May 26, 2019 Category: Speech-Language Pathology Authors: Dungan S, Gregorio D, Abrahams T, Harrison B, Abrahams J, Brocato D, Davis C, Espana E, Garcia R, Smith S, Taylor B, Higgins T, Daley L, Carnaby G Tags: Am J Speech Lang Pathol Source Type: research
Familiarity with visual forms contributes to a left-lateralized and increased N170 response for Chinese characters
Publication date: Available online 19 September 2019Source: NeuropsychologiaAuthor(s): Licheng Xue, Urs Maurer, Xuchu Weng, Jing ZhaoAbstractWhile skilled readers produce an increased and left-lateralized event-related-potential (ERP) component, known as N170, for strings of letters compared to strings of less familiar units, it remains unclear whether perceptual familiarity plays an important role in driving increased and left-lateralized N170 for print. The present study addressed this issue by examining N170 responses for regular Chinese characters and cursive Chinese characters which are visually less familiar regardin...
Source: Neuropsychologia - September 20, 2019 Category: Neurology Source Type: research
Impact of bi-planar localization of the tricuspid valve on the evaluation of right ventricular functional parameters in the short axis plane
AbstractPrimary objective was to evaluate by cardiac MRI the accuracy of right ventricular stroke volume (RVSV) measurement in the short-axis (SA) plane with cross-referencing of the tricuspid plane. 2D phase-contrast measurement at the main pulmonary artery (PSV) was the reference. Secondary objective was to analyze the reproducibility of RV functional parameters. In this single-center retrospective study, 41 patients (mean age 40 ± 18 years; age range 16–71 years; M/F sex ratio 51%) referred for various acquired and congenital cardiopathies underwent CMR including SA balanced steady state free precession imagin...
Source: The International Journal of Cardiovascular Imaging - September 13, 2020 Category: Radiology Source Type: research
MRI for all: Cheap portable scanners aim to revolutionize medical imaging
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The patient, a man in his 70s with a shock of silver hair, lies in the neuro intensive care unit (neuro ICU) at Yale New Haven Hospital. Looking at him, you’d never know that a few days earlier a tumor was removed from his pituitary gland. The operation didn’t leave a mark because, as is standard, surgeons reached the tumor through his nose. He chats cheerfully with a pair of research associates who have come to check his progress with a new and potentially revolutionary device they are testing.
The cylind...
Source: Science of Aging Knowledge Environment - February 23, 2023 Category: Geriatrics Source Type: research
A Retrospective Observational Study of Neurological Manifestations in COVID-19 (SON-CoV)
Conclusion: CNS symptoms of COVID-19 are more common than PNS symptoms. Stroke is the most frequent (46%) COVID-CNS symptom, which occurs in people of age above 35 years and is associated with high mortality.PMID:37355862 | DOI:10.5005/japi-11001-0107
Source: Journal of the Association of Physicians of India - June 25, 2023 Category: General Medicine Authors: Neetu Ramrakhiani Neeraj Bhutani Deepak Chaudhary Pooja Parab Karni Singh Priya Agrawal Vikas Gupta Source Type: research
Adverse Events with Implantable Deep Brain Stimulators - Trends and Insight from the FDA MAUDE Database, 2001 - 2007 (P02.074)
CONCLUSIONS: The frequency of AEs with DBS devices increased dramatically between 2001 and 2007. Within the accepted limitations of a voluntary database, infection and device malfunction are common AEs and often lead to explantation. More serious events such as death or stroke are uncommon. This study includes larger numbers of AEs than prior published reports and reinforces the need for device registries for long-term safety evaluation.Disclosure: Dr. Diaz has nothing to disclose. Dr. McMurtray has nothing to disclose.
Source: Neurology - February 14, 2013 Category: Neurology Authors: Diaz, N., McMurtray, A. Tags: P02 Movement Disorders: Dystonia Source Type: research
