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Proceedings of the National Academy of Science

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https://www.readbyqxmd.com/read/28744722/temporal-encoding-strategies-result-in-boosts-to-final-free-recall-performance-comparable-to-spatial-ones
#1
Nichole Bouffard, Jared Stokes, Hannah J Kramer, Arne D Ekstrom
The method of loci is a highly effective mnemonic that recruits existing salient memory for spatial locations and uses the information as a scaffold for remembering a list of items (Yates, 1966). One possible account for the effectiveness of the spatial method of loci comes from the perspective that it utilizes evolutionarily preserved mechanisms for spatial navigation within the hippocampus (Maguire et al. in Proceedings of the National Academy of Sciences, 97(8), 4398-4403, 2000; O'Keefe & Nadel, 1978; Rodriguez et al...
July 25, 2017: Memory & Cognition
https://www.readbyqxmd.com/read/28741100/training-and-the-attentional-blink-raising-the-ceiling-does-not-remove-the-limits
#2
James T Enns, Paul Kealong, Jennifer G Tichon, Troy A W Visser
The attentional blink (AB) is a widely studied deficit in reporting the second of two sequentially presented targets when they occur within 500 milliseconds. The AB often is interpreted to index a structural limit in sequential visual processing. However, this interpretation is challenged by reports that the deficit can be reduced with several hundred trials of specific training (Braun in Nature, 393(6684), 424-425, 1998; Choi et al. in Proceedings of the National Academy of Sciences, 109(30), 12242-12247, 2012; Taatgen et al...
July 24, 2017: Attention, Perception & Psychophysics
https://www.readbyqxmd.com/read/28645980/association-between-human-herpesvirus-infections-and-dementia-or-mild-cognitive-impairment-a-systematic-review-protocol
#3
Charlotte Warren-Gash, Harriet Forbes, Judith Breuer, Andrew C Hayward, Angelique Mavrodaris, Basil H Ridha, Martin Rossor, Sara L Thomas, Liam Smeeth
INTRODUCTION: Persisting neurotropic viruses are proposed to increase the risk of dementia, but evidence of association from robust, adequately powered population studies is lacking. This is essential to inform clinical trials of targeted preventive interventions. METHODS AND ANALYSIS: We will carry out a comprehensive systematic review of published and grey literature of the association between infection with, reactivation of, vaccination against or treatment of any of the eight human herpesviruses and dementia or mild cognitive impairment...
June 23, 2017: BMJ Open
https://www.readbyqxmd.com/read/28547680/the-influence-of-attention-on-value-integration
#4
Melina A Kunar, Derrick G Watson, Konstantinos Tsetsos, Nick Chater
People often have to make decisions based on many pieces of information. Previous work has found that people are able to integrate values presented in a rapid serial visual presentation (RSVP) stream to make informed judgements on the overall stream value (Tsetsos et al. Proceedings of the National Academy of Sciences of the United States of America, 109(24), 9659-9664, 2012). It is also well known that attentional mechanisms influence how people process information. However, it is unknown how attentional factors impact value judgements of integrated material...
August 2017: Attention, Perception & Psychophysics
https://www.readbyqxmd.com/read/28397140/separating-the-effect-of-reward-from-corrective-feedback-during-learning-in-patients-with-parkinson-s-disease
#5
Michael Freedberg, Jonathan Schacherer, Kuan-Hua Chen, Ergun Y Uc, Nandakumar S Narayanan, Eliot Hazeltine
Parkinson's disease (PD) is associated with procedural learning deficits. Nonetheless, studies have demonstrated that reward-related learning is comparable between patients with PD and controls (Bódi et al., Brain, 132(9), 2385-2395, 2009; Frank, Seeberger, & O'Reilly, Science, 306(5703), 1940-1943, 2004; Palminteri et al., Proceedings of the National Academy of Sciences of the United States of America, 106(45), 19179-19184, 2009). However, because these studies do not separate the effect of reward from the effect of practice, it is difficult to determine whether the effect of reward on learning is distinct from the effect of corrective feedback on learning...
April 10, 2017: Cognitive, Affective & Behavioral Neuroscience
https://www.readbyqxmd.com/read/28290972/malignant-hyperthermia-susceptibility-and-fitness-for-duty
#6
Michael A Lee, Erin B McGlinch, Maria C McGlinch, John F Capacchione
INTRODUCTION: Malignant hyperthermia (MH) is an inherited hypermetabolic condition characterized by uncontrolled calcium release from the sarcoplasmic reticulum of skeletal muscle, usually from exposure to inhaled general anesthetics and/or the depolarizing neuromuscular blocking agent succinylcholine. Multiple case reports now reveal that crises may be precipitated by environmental factors such as exercise or high ambient temperatures. Common signs of an MH crisis include life-threatening hyperthermia, metabolic acidosis, muscle rigidity, and tachycardia...
March 2017: Military Medicine
https://www.readbyqxmd.com/read/28127390/weird-genotypes-don-t-discard-them-transmissible-cancer-could-be-an-explanation
#7
Florentine Riquet, Alexis Simon, Nicolas Bierne
Genetic chimerism is rarely considered in the analysis of population genetics data, because assumed to be an exceptionally rare, mostly benign, developmental accident. An unappreciated source of chimerism is transmissible cancer, when malignant cells have become independent parasites and can infect other individuals. Parasitic cancers were thought to be rare exceptions, only reported in dogs (Murgia et al., Cell, 2006, 126, 477; Rebbeck et al., Evolution, 2009, 63, 2340), Tasmanian devils (Pearse and Swift, Nature, 2006, 439, 549; Pye et al...
February 2017: Evolutionary Applications
https://www.readbyqxmd.com/read/28047744/we-a-201-01-memorial-introduction
#8
C Marshall
Chris Marshall: Memorial Introduction Donald Edmonds Herbert Jr., or Don to his colleagues and friends, exemplified the "big tent" vision of medical physics, specializing in Applied Statistics and Dynamical Systems theory. He saw, more clearly than most, that "Making models is the difference between doing science and just fooling around [ref Woodworth, 2004]". Don developed an interest in chemistry at school by "reading a book" - a recurring theme in his story. He was awarded a Westinghouse Science scholarship and attended the Carnegie Institute of Technology (later Carnegie Mellon University) where his interest turned to physics and led to a BS in Physics after transfer to Northwestern University...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28047091/we-a-201-02-modern-statistical-modeling
#9
A Niemierko
Chris Marshall: Memorial Introduction Donald Edmonds Herbert Jr., or Don to his colleagues and friends, exemplified the "big tent" vision of medical physics, specializing in Applied Statistics and Dynamical Systems theory. He saw, more clearly than most, that "Making models is the difference between doing science and just fooling around [ref Woodworth, 2004]". Don developed an interest in chemistry at school by "reading a book" - a recurring theme in his story. He was awarded a Westinghouse Science scholarship and attended the Carnegie Institute of Technology (later Carnegie Mellon University) where his interest turned to physics and led to a BS in Physics after transfer to Northwestern University...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28046561/we-a-201-00-anne-and-donald-herbert-distinguished-lectureship-on-modern-statistical-modeling
#10
Joseph Deasy
Chris Marshall: Memorial Introduction Donald Edmonds Herbert Jr., or Don to his colleagues and friends, exemplified the "big tent" vision of medical physics, specializing in Applied Statistics and Dynamical Systems theory. He saw, more clearly than most, that "Making models is the difference between doing science and just fooling around [ref Woodworth, 2004]". Don developed an interest in chemistry at school by "reading a book" - a recurring theme in his story. He was awarded a Westinghouse Science scholarship and attended the Carnegie Institute of Technology (later Carnegie Mellon University) where his interest turned to physics and led to a BS in Physics after transfer to Northwestern University...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28002981/resting-state-fmri-data-reflects-default-network-activity-rather-than-null-data-a-defense-of-commonly-employed-methods-to-correct-for-multiple-comparisons
#11
Scott D Slotnick
Analysis of functional magnetic resonance imaging (fMRI) data typically involves over one hundred thousand independent statistical tests; therefore, it is necessary to correct for multiple comparisons to control familywise error. In a recent paper, Eklund, Nichols, and Knutsson used resting-state fMRI data to evaluate commonly employed methods to correct for multiple comparisons and reported unacceptable rates of familywise error. Eklund et al.'s analysis was based on the assumption that resting-state fMRI data reflect null data; however, their 'null data' actually reflected default network activity that inflated familywise error...
January 5, 2017: Cognitive Neuroscience
https://www.readbyqxmd.com/read/27892644/saliva-protein-biomarkers-to-detect-oral-squamous-cell-carcinoma-oscc
#12
R Nagler
In a recent study published in the Proceedings of the National Academy of Sciences of the U.S.A., Jau-Song Yu et al reported of their generated four-protein biomarker panel consisting of MMP1, KNG1, ANXA2, and HSPA5, as based on a risk-score scheme they established (Yu et al, 2016). This panel showed high sensitivity (87.5%) and specificity (80.5%) values in a test set to distinguish OSCC patients' saliva samples from non-OSCC patients' saliva samples. The risk score >0.4 detected 84% of the stage I OSCCs and a significant portion (42%) of the high-risk, visible, oral potentially-malignant disorders (OPMDs)...
November 28, 2016: Oral Diseases
https://www.readbyqxmd.com/read/27872374/what-s-statistical-about-learning-insights-from-modelling-statistical-learning-as-a-set-of-memory-processes
#13
REVIEW
Erik D Thiessen
Statistical learning has been studied in a variety of different tasks, including word segmentation, object identification, category learning, artificial grammar learning and serial reaction time tasks (e.g. Saffran et al. 1996 Science 274: , 1926-1928; Orban et al. 2008 Proceedings of the National Academy of Sciences 105: , 2745-2750; Thiessen & Yee 2010 Child Development 81: , 1287-1303; Saffran 2002 Journal of Memory and Language 47: , 172-196; Misyak & Christiansen 2012 Language Learning 62: , 302-331). The difference among these tasks raises questions about whether they all depend on the same kinds of underlying processes and computations, or whether they are tapping into different underlying mechanisms...
January 5, 2017: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/27167400/task-specific-aspects-of-goal-directed-word-generation-identified-via-simultaneous-eeg-fmri
#14
Irit Shapira-Lichter, Ilana Klovatch, Dana Nathan, Noga Oren, Talma Hendler
Generating words according to a given rule relies on retrieval-related search and postretrieval control processes. Using fMRI, we recently characterized neural patterns of word generation in response to episodic, semantic, and phonemic cues by comparing free recall of wordlists, category fluency, and letter fluency [Shapira-Lichter, I., Oren, N., Jacob, Y., Gruberger, M., & Hendler, T. Portraying the unique contribution of the default mode network to internally driven mnemonic processes. Proceedings of the National Academy of Sciences, U...
September 2016: Journal of Cognitive Neuroscience
https://www.readbyqxmd.com/read/27068299/bigger-brains-may-make-better-problem-solving-carnivores
#15
Jennifer Vonk
Benson-Amram, Dantzer, Stricker, Swanson, & Holekamp's (Proceedings of the National Academy of Sciences, 113, 25321-25376, 2016) recent demonstration that larger-brained carnivores were more successful in a single problem-solving task, relative to smaller-brained carnivores, irrespective of social complexity, poses a challenge to proponents of the social intelligence hypothesis (Humphrey, 1976) and provides some support for the idea that larger relative brain sizes have evolved to support greater problem-solving abilities...
June 2016: Learning & Behavior
https://www.readbyqxmd.com/read/26662262/b7-h3-overexpression-in-oral-cancer
#16
R D Coletta, Afp Leme
No abstract text is available yet for this article.
April 2016: Oral Diseases
https://www.readbyqxmd.com/read/26408070/antibiotics-for-preventing-lower-respiratory-tract-infections-in-high-risk-children-aged-12-years-and-under
#17
REVIEW
Igho J Onakpoya, Gail Hayward, Carl J Heneghan
BACKGROUND: Lower respiratory tract infections (LRTIs) in young children account for 1.4 million deaths annually worldwide. Antibiotics could be beneficial in preventing LRTIs in high-risk children, and may also help prevent school absenteeism and work days missed by children and/or carers. While it is well documented that the efficacy of antibiotic prophylaxis for RTIs decreases over time, there are no reviews that describe the use of antibiotic prophylaxis to prevent LRTIs in high-risk children aged 12 years and under...
September 26, 2015: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/26391175/detailed-and-gist-like-visual-memories-are-forgotten-at-similar-rates-over-the-course-of-a-week
#18
Nora Andermane, Jeffrey S Bowers
A number of recent studies have highlighted the exceptional capacity and fidelity of visual long-term memory. For instance, Brady, Konkle, Alvarez, and Oliva (Proceedings of the National Academy of Sciences, 105, 14325-14329, 2008) presented participants with thousands of images for nearly 6 h and then tested their memory in a two-alternative forced choice (2AFC) task. Participants were 87% accurate, even when the foil was extremely similar to the target (e.g., when the same object was presented in a different state)...
October 2015: Psychonomic Bulletin & Review
https://www.readbyqxmd.com/read/26390353/publication-rates-of-abstracts-presented-at-the-2006-meeting-of-the-american-academy-of-optometry
#19
Barclay W Bakkum, Ruth Trachimowicz
PURPOSE: The purposes of this study were to investigate the publication rates of presentations at the 2006 meeting of the American Academy of Optometry (AAO), differences in the publication rates of platform versus poster presentations, consistency of the meeting abstract compared with the full-length journal article, whether abstracts were clinical or basic science, and when and in which journals articles appeared. METHODS: Abstracts were obtained directly from the AAO...
November 2015: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/26272366/ecological-influences-on-individual-differences-in-color-preference
#20
Karen B Schloss, Daniel Hawthorne-Madell, Stephen E Palmer
How can the large, systematic differences that exist between individuals' color preferences be explained? The ecological valence theory (Palmer & Schloss, Proceedings of the National Academy of Sciences 107:8877-8882, 2010) posits that an individual's preference for each particular color is determined largely by his or her preferences for all correspondingly colored objects. Therefore, individuals should differ in their color preferences to the extent that they have different preferences for the same color-associated objects or that they experience different objects...
November 2015: Attention, Perception & Psychophysics
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