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Garabed Eknoyan
Diseases of the kidney are old, but the discipline dedicated to their study, nephrology, is barely more than 50 years old. As recounted in this recollection of those events, the rudiments of what would become nephrology emerged in the time between the 2 World Wars from basic studies of normal kidney function and flourished after the integration of their methodologies into clinical medicine thereafter. Although shaped by studies of kidney function in the 1960s, it was the subsequent advent of dialysis that fueled the growth of nephrology well into the 21st century...
October 14, 2016: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
Zahed Shami, Seyed Mojtaba Amininasab, Pegah Shakeri
A straightforward approach was successfully developed to fabricate a well-designed three-dimensional rough sheetlike MgAl-layered double hydroxide (LDH) array to stand vertically on poly(acrylonitrile) porous nanofibrous membranes based on an electrospun-nanofiber-templated in situ hydrothermal strategy, and then the surface was modified with cyclohexanecarboxylic acid. The as-spun highly dense ordered sheetlike LDH porous nanofabric exhibited a superior durability in superhydrophobicity and superoleophilicity, which has achieved high oil-removing capability including both oil harvesting and oil separation to harvest/separate a wide range of organic solvents and oils from an oil-water mixture and, especially, exhibited a very good recycling and reusing performance...
October 17, 2016: ACS Applied Materials & Interfaces
Hartmut Blank
Non-believed autobiographical memories [e.g. Mazzoni, G., Scoboria, A., & Harvey, L. (2010). Nonbelieved memories. Psychological Science, 21, 1334-1340] are striking examples of divergences between recollective experiences and beliefs in their correspondence to real events. After reviewing a broader range of similar phenomena, I argue that recollection-belief divergences can arise from normal, "healthy" metacognitive monitoring and control processes that balance memory recollections and reality constraints...
October 15, 2016: Memory
Shriraam Mahadevan, Pavanasam Velayutham
No abstract text is available yet for this article.
September 2016: Indian Journal of Endocrinology and Metabolism
Dilini Jayalath, Kunle Ashaye, Lia Kvavilashvili
INTRODUCTION: Carers' diaries have been used in very few instances in dementia to assist with gathering information about persons with dementia in the community. The main aim of this study was to compare problems identified using diaries kept by family carers for a week with carers' oral recollection of problems. METHOD: Carers were randomly allocated into two groups, diary and control groups. In the diary group, carers received a diary and instructions on how to complete it for 7 days...
2016: Alzheimer's & Dementia: Diagnosis, Assessment & Disease Monitoring
Nathan A Illman, Steven Kemp, Céline Souchay, Robin G Morris, Chris J A Moulin
Previous research has pointed to a deficit in associative recognition in temporal lobe epilepsy (TLE). Associative recognition tasks require discrimination between various combinations of words which have and have not been seen previously (such as old-old or old-new pairs). People with TLE tend to respond to rearranged old-old pairs as if they are "intact" old-old pairs, which has been interpreted as a failure to use a recollection strategy to overcome the familiarity of two recombined words into a new pairing...
2016: Epilepsy Research and Treatment
H J Markowitsch, A Staniloiu
Retrograde amnesia is described as condition which can occur after direct brain damage, but which occurs more frequently as a result of a psychiatric illness. In order to understand the amnesic condition, content-based divisions of memory are defined. The measurement of retrograde memory is discussed and the dichotomy between "organic" and "psychogenic" retrograde amnesia is questioned. Briefly, brain damage-related etiologies of retrograde amnesia are mentioned. The major portion of the review is devoted to dissociative amnesia (also named psychogenic or functional amnesia) and to the discussion of an overlap between psychogenic and "brain organic" forms of amnesia...
2017: Handbook of Clinical Neurology
Sara Cadavid, Maria Soledad Beato
Memory researchers have long been captivated by the nature of memory distortions and have made efforts to identify the neural correlates of true and false memories. However, the underlying mechanisms of avoiding false memories by correctly rejecting related lures remains underexplored. In this study, we employed a variant of the Deese/Roediger-McDermott paradigm to explore neural signatures of committing and avoiding false memories. ERP were obtained for True recognition, False recognition, Correct rejection of new items, and, more importantly, Correct rejection of related lures...
2016: PloS One
Andreas Brocher, Tim Graf
We conducted five pupil old/new experiments to examine whether pupil old/new effects can be linked to familiarity and/or recollection processes of recognition memory. In Experiments 1-3, we elicited robust pupil old/new effects for legal words and pseudowords (Experiment 1), positive and negative words (Experiment 2), and low-frequency and high-frequency words (Experiment 3). Importantly, unlike for old/new effects in ERPs, we failed to find any effects of long-term memory representations on pupil old/new effects...
October 5, 2016: Psychophysiology
Maria Nittis, Michele Franco, Clint Cochrane
Standard collection procedure for the investigation of allegations of penile - oral assault has traditionally been the oral swab. Review of both the literature and NSW forensic laboratory results from oral swabbing has highlighted the sub-optimal nature of this method for the recovery of both sperm and offender DNA. 554 oral swabs, collected in NSW from 2010 to 2015, were analysed. Sperm detection occurred in only 4.2%. In the same period there was analysis of 104 oral rinses (of which 16.4% were positive for sperm) and 71 peri-oral samples (of which 18...
September 22, 2016: Journal of Forensic and Legal Medicine
Elodie Bertrand, Marcia C N Dourado, Jerson Laks, Robin G Morris, Jesus Landeira-Fernandez, Daniel C Mograbi
The aim of the study was to investigate experimentally the impact of current mood state on anosognosia or awareness of symptoms in AD patients, in which mood state was manipulated by giving tasks that were either easy (success condition) or very difficult (failure condition). Twenty-two patients with mild to moderate AD participated. Four success-failure manipulation (SFM) computerized tasks were used as mood induction procedures, two based on reaction time tasks and the other on memory tasks. Level of awareness and the current mood state were assessed before and after each task, using a modified version of the Anosognosia Questionnaire for Dementia and a self-reported questionnaire respectively...
September 13, 2016: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
Christina E Webb, Indira C Turney, Nancy A Dennis
The current study used a novel scene paradigm to investigate the role of encoding schemas on memory. Specifically, the study examined the influence of a strong encoding schema on retrieval of both schematic and non-schematic information, as well as false memories for information associated with the schema. Additionally, the separate roles of recollection and familiarity in both veridical and false memory retrieval were examined. The study identified several novel results. First, while many common neural regions mediated both schematic and non-schematic retrieval success, schematic recollection exhibited greater activation in visual cortex and hippocampus, regions commonly shown to mediate detailed retrieval...
September 30, 2016: Neuropsychologia
Roger Ratcliff, Per Sederberg, Troy Smith, Russ Childers
Recent work in perceptual decision-making has shown that although two distinct neural components differentiate experimental conditions (e.g., did you see a face or a car), only one tracked the evidence guiding the decision process. In the memory literature, there is a distinction between a fronto-central evoked potential measured with EEG beginning at 350 ms that seems to track familiarity and a late parietal evoked potential that peaks at 600 ms that tracks recollection. Here, we applied single-trial regressor analysis (similar to multivariate pattern analysis MVPA) and diffusion decision modeling to EEG and behavioral data from two recognition memory experiments to test whether these two components contribute to the recognition decision process...
September 29, 2016: Neuropsychologia
Christine Ma-Kellams, Lei Lai, Shelley E Taylor, Jennifer S Lerner
How does trait negative affect shape somatic memory of stressful events? We hypothesized that negative affect would impair accurate recall of one's own heart rate during stressful situations. Two bio-behavioral studies used a new paradigm to test retrospective visceral perception and assessed whether negative affective states experienced during aversive events (i.e., the Trier Stress Task-Time 1) would retrospectively shape recall of past heart rate (Time 2), even when accounting for actual heart rate at the time of each stressful event (Time 1)...
September 28, 2016: Physiology & Behavior
Ruben A Mesa, Carole B Miller, Maureen Thyne, James Mangan, Sara Goldberger, Salman Fazal, Xiaomei Ma, Wendy Wilson, Dilan C Paranagama, David G Dubinski, Ahmad Naim, Shreekant Parasuraman, John Boyle, John O Mascarenhas
BACKGROUND: This analysis of the myeloproliferative neoplasm (MPN) Landmark survey evaluated gaps between patient perceptions of their disease management and physician self-reported practices. METHODS: The survey included 813 patient respondents who had MPNs (myelofibrosis [MF], polycythemia vera [PV], or essential thrombocythemia [ET]) and 457 hematologist/oncologist respondents who treated patients with these conditions. RESULTS: Greater proportions of physician respondents reported using prognostic risk classifications (MF, 83%; PV, 59%; ET, 77%) compared with patient recollections (MF, 54%; PV, 17%; ET, 31%)...
September 30, 2016: Cancer
Hanlin Tang, Jed Singer, Matias J Ison, Gnel Pivazyan, Melissa Romaine, Rosa Frias, Elizabeth Meller, Adrianna Boulin, James Carroll, Victoria Perron, Sarah Dowcett, Marlise Arellano, Gabriel Kreiman
Episodic memories are long lasting and full of detail, yet imperfect and malleable. We quantitatively evaluated recollection of short audiovisual segments from movies as a proxy to real-life memory formation in 161 subjects at 15 minutes up to a year after encoding. Memories were reproducible within and across individuals, showed the typical decay with time elapsed between encoding and testing, were fallible yet accurate, and were insensitive to low-level stimulus manipulations but sensitive to high-level stimulus properties...
September 30, 2016: Scientific Reports
Eva Battaglini, Belinda Liddell, Pritha Das, Gin Malhi, Kim Felmingham, Richard A Bryant
Although intrusive memories are characteristic of many psychological disorders, the neurobiological underpinning of these involuntary recollections are largely unknown. In this study we used functional magentic resonance imaging (fMRI) to identify the neural networks associated with encoding of negative stimuli that are subsequently experienced as intrusive memories. Healthy partipants (N = 42) viewed negative and neutral images during a visual/verbal processing task in an fMRI context. Two days later they were assessed on the Impact of Event Scale for occurrence of intrusive memories of the encoded images...
2016: PloS One
Ali Ansari, Reema Patel, Kinsey Schultheis, Vesna Naumovski, P I Imoukhuede
One of the limiting factors to the adoption and advancement of personalized medicine is the inability to develop diagnostic tools to probe individual nuances in expression from patient to patient. Current methodologies that try to separate cells to fill this niche result in disruption of physiological expression, making the separation technique useless as a diagnostic tool. In this protocol, we describe the functionalization and optimization of a surface for the cellular capture and release. This functionalized surface integrates biotinylated antibodies with a glass surface functionalized with an aminosilane (APTES), desthiobiotin and streptavidin...
2016: Journal of Visualized Experiments: JoVE
Gildas Brébion, Christian Stephan-Otto, Susana Ochoa, Mercedes Roca, Lourdes Nieto, Judith Usall
BACKGROUND: Previous research has shown that various memory errors reflecting failure in the self-monitoring of speech were associated with auditory/verbal hallucinations in schizophrenia patients and with proneness to hallucinations in non-clinical individuals. METHOD: We administered to 57 schizophrenia patients and 60 healthy participants a verbal memory task involving free recall and recognition of lists of words with different structures (high-frequency, low-frequency, and semantically organisable words)...
2016: Frontiers in Psychology
Valentina La Corte, Géraldine Delarue, Emmanuel Chevrillon, Aurore Balan, Béatrice Garcin
OBJECTIVE: Confabulations are described as "a falsification of memory occurring in clear consciousness in association with an organically derived amnesia". We describe production of confabulations in long-term memory in a 51-year-old woman who do not present amnesic syndrome typically associated. The patient was admitted in reanimation unit for septic shock. After 8 days of coma, she presented signs of encephalopathy of Gayet-Wernicke, without cerebral damage on T1 MRI. OBSERVATIONS: At 6 months of acute episode, the patient presents a severe cognitive and behavioural dysexecutive syndrome, with impulsivity, perseverations and environmental dependency...
September 2016: Annals of Physical and Rehabilitation Medicine
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