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https://www.readbyqxmd.com/read/28203633/individual-differences-predict-low-prevalence-visual-search-performance
#1
Chad Peltier, Mark W Becker
Critical real-world visual search tasks such as radiology and baggage screening rely on the detection of rare targets. When targets are rare, observers search for a relatively short amount of time and have a high miss rate, a pattern of results known as the low prevalence effect. Attempts to improve the search for rare targets have been unsuccessful or resulted in an increase in detections at the price of more false alarms. As an alternative to improving visual search performance through experimental manipulations, an individual differences approach found that those with higher working memory capacity were better at finding rare targets...
2017: Cogn Res Princ Implic
https://www.readbyqxmd.com/read/28179226/substituting-whole-grains-for-refined-grains-in-a-6-wk-randomized-trial-has-a-modest-effect-on-gut-microbiota-and-immune-and-inflammatory-markers-of-healthy-adults
#2
Sally M Vanegas, Mohsen Meydani, Junaidah B Barnett, Barry Goldin, Anne Kane, Helen Rasmussen, Carrie Brown, Pajau Vangay, Dan Knights, Satya Jonnalagadda, Katie Koecher, J Philip Karl, Michael Thomas, Gregory Dolnikowski, Lijun Li, Edward Saltzman, Dayong Wu, Simin Nikbin Meydani
Background: Observational studies suggest an inverse association between whole-grain (WG) consumption and inflammation. However, evidence from interventional studies is limited, and few studies have included measurements of cell-mediated immunity.Objective: We assessed the effects of diets rich in WGs compared with refined grains (RGs) on immune and inflammatory responses, gut microbiota, and microbial products in healthy adults while maintaining subject body weights.Design: After a 2-wk provided-food run-in period of consuming a Western-style diet, 49 men and 32 postmenopausal women [age range: 40-65 y, body mass index (in kg/m(2)) <35] were assigned to consume 1 of 2 provided-food weight-maintenance diets for 6 wk...
February 8, 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28176293/mechanisms-of-eyewitness-suggestibility-tests-of-the-explanatory-role-hypothesis
#3
Eric J Rindal, Quin M Chrobak, Maria S Zaragoza, Caitlin A Weihing
In a recent paper, Chrobak and Zaragoza (Journal of Experimental Psychology: General, 142(3), 827-844, 2013) proposed the explanatory role hypothesis, which posits that the likelihood of developing false memories for post-event suggestions is a function of the explanatory function the suggestion serves. In support of this hypothesis, they provided evidence that participant-witnesses were especially likely to develop false memories for their forced fabrications when their fabrications helped to explain outcomes they had witnessed...
February 7, 2017: Psychonomic Bulletin & Review
https://www.readbyqxmd.com/read/28169281/gating-of-memory-encoding-of-time-delayed-cross-frequency-meg-networks-revealed-by-graph-filtration-based-on-persistent-homology
#4
Jarang Hahm, Hyekyoung Lee, Hyojin Park, Eunjoo Kang, Yu Kyeong Kim, Chun Kee Chung, Hyejin Kang, Dong Soo Lee
To explain gating of memory encoding, magnetoencephalography (MEG) was analyzed over multi-regional network of negative correlations between alpha band power during cue (cue-alpha) and gamma band power during item presentation (item-gamma) in Remember (R) and No-remember (NR) condition. Persistent homology with graph filtration on alpha-gamma correlation disclosed topological invariants to explain memory gating. Instruction compliance (R-hits minus NR-hits) was significantly related to negative coupling between the left superior occipital (cue-alpha) and the left dorsolateral superior frontal gyri (item-gamma) on permutation test, where the coupling was stronger in R than NR...
February 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28168651/the-effects-of-context-in-item-based-directed-forgetting-evidence-for-one-shot-context-storage
#5
Nicole Burgess, William E Hockley, Kathleen L Hourihan
The effects of context on item-based directed forgetting were assessed. Study words were presented against different background pictures and were followed by a cue to remember (R) or forget (F) the target item. The effects of incidental and intentional encoding of context on recognition of the study words were examined in Experiments 1 and 2. Recognition memory for the picture contexts was assessed in Experiments 3a and 3b. Recognition was greater for R-cued compared to F-cued targets, demonstrating an effect of directed forgetting...
February 6, 2017: Memory & Cognition
https://www.readbyqxmd.com/read/28165152/memory-errors-in-alibi-generation-how-an-alibi-can-turn-against-us
#6
William E Crozier, Deryn Strange, Elizabeth F Loftus
Alibis play a critical role in the criminal justice system. Yet research on the process of alibi generation and evaluation is still nascent. Indeed, similar to other widely investigated psychological phenomena in the legal system - such as false confessions, historical claims of abuse, and eyewitness memory - the basic assumptions underlying alibi generation and evaluation require closer empirical scrutiny. To date, the majority of alibi research investigates the social psychological aspects of the process...
February 6, 2017: Behavioral Sciences & the Law
https://www.readbyqxmd.com/read/28163370/false-memories-and-free-speech-is-scientific-debate-being-suppressed
#7
Bernice Andrews, Chris R Brewin
Commentators have raised important points, including the relative contribution of false beliefs versus false memories and the issue of how findings in the laboratory can be generalized to the real world, which we have addressed here. However, some of the commentaries misrepresent what we said, make criticisms that are unfounded, or imply that our article should not have been published in Applied Cognitive Psychology. We relate these responses to a more general literature on the suppression of unwanted scientific findings and suggest that the study of false memory would be better served by more openness to alternative perspectives...
January 2017: Applied Cognitive Psychology
https://www.readbyqxmd.com/read/28163369/misrepresentations-and-flawed-logic-about-the-prevalence-of-false-memories
#8
Robert A Nash, Kimberley A Wade, Maryanne Garry, Elizabeth F Loftus, James Ost
Brewin and Andrews (2016) propose that just 15% of people, or even fewer, are susceptible to false childhood memories. If this figure were true, then false memories would still be a serious problem. But the figure is higher than 15%. False memories occur even after a few short and low-pressure interviews, and with each successive interview, they become richer, more compelling, and more likely to occur. It is therefore dangerously misleading to claim that the scientific data provide an "upper bound" on susceptibility to memory errors...
January 2017: Applied Cognitive Psychology
https://www.readbyqxmd.com/read/28163368/creating-memories-for-false-autobiographical-events-in-childhood-a-systematic-review
#9
Chris R Brewin, Bernice Andrews
Using a framework that distinguishes autobiographical belief, recollective experience, and confidence in memory, we review three major paradigms used to suggest false childhood events to adults: imagination inflation, false feedback and memory implantation. Imagination inflation and false feedback studies increase the belief that a suggested event occurred by a small amount such that events are still thought unlikely to have happened. In memory implantation studies, some recollective experience for the suggested events is induced on average in 47% of participants, but only in 15% are these experiences likely to be rated as full memories...
January 2017: Applied Cognitive Psychology
https://www.readbyqxmd.com/read/28162777/assumptions-behind-scoring-source-versus-item-memory-effects-of-age-hippocampal-lesions-and-mild-memory-problems
#10
Elisa Cooper, Andrea Greve, Richard N Henson
Source monitoring paradigms have been used to separate: 1) the probability of recognising an item (Item memory) and 2) the probability of remembering the context in which that item was previously encountered (Source memory), conditional on it being recognised. Multinomial Processing Tree (MPT) models are an effective way to estimate these conditional probabilities. Moreover, MPTs make explicit the assumptions behind different ways to parameterise Item and Source memory. Using data from six independent groups across two different paradigms, we show that one would draw different conclusions about the effects of age, age-related memory problems and hippocampal lesions on Item and Source memory, depending on the use of: 1) standard accuracy calculation vs MPT analysis, and 2) two different MPT models...
January 12, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/28161246/partial-agonism-at-the-%C3%AE-7-nicotinic-acetylcholine-receptor-improves-attention-impulsive-action-and-vigilance-in-low-attentive-rats
#11
Andrew Hayward, Lisa Adamson, Joanna C Neill
Inattention is a disabling symptom in conditions such as schizophrenia and attention deficit/hyperactivity disorder. Nicotine can improve attention and vigilance, but is unsuitable for clinical use due to abuse liability. Genetic knockout of the α7 nicotinic acetylcholine receptor (nAChR) induces attention deficits therefore selective agonism may improve attention, without the abuse liability associated with nicotine. The α7 nAChR partial agonist encenicline (formerly EVP-6124) enhances memory in rodents and humans...
February 1, 2017: European Neuropsychopharmacology: the Journal of the European College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28131931/reading-in-children-with-temporal-lobe-epilepsy-a-systematic-review
#12
REVIEW
Suncica Lah, Anne Castles, Mary Lou Smith
OBJECTIVE: Children with epilepsy have higher rates of reading difficulties compared to the general population. Reading difficulties are associated with lower academic attainments, higher school drop-out rates, greater risk of unemployment, lower income, and poorer adjustment. We examined the literature dealing with reading in children with the most common type of focal epilepsy, temporal lobe epilepsy (TLE), in relation to: presence of reading difficulties, contributing factors, and efficacy of treatments for reading difficulties...
January 26, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28125551/o-003-the-brain-as-extraintestinal-ibd-manifestation-are-brain-and-cognitive-differences-in-pediatric-crohn-s-disease-associated-with-immune-gene-expression
#13
Christine Mrakotsky, Dunn W Augustine, Christopher Watson, James Canavan, Michael Rivkin, Scott Snapper
BACKGROUND: Structural brain changes in gray and white matter have been previously found in adults with Crohn's disease (CD). We have recently shown similar effects for pediatric CD in 2 separate studies (Mrakotsky et al., 2012, 2013, 2015), particularly for cortical and subcortical brain regions important for cognition, memory and emotion. Our prior data also revealed serum markers of inflammation and steroid therapy to be negatively associated with cortical thickness, subcortical volume, cognitive and school function, however, associations between brain structure and more detailed inflammatory profiles have not been studied...
February 2017: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/28124986/the-anterior-prefrontal-cortex-and-the-hippocampus-are-negatively-correlated-during-false-memories
#14
Brittany M Jeye, Jessica M Karanian, Scott D Slotnick
False memories commonly activate the anterior/dorsolateral prefrontal cortex (A/DLPFC) and the hippocampus. These regions are assumed to work in concert during false memories, which would predict a positive correlation between the magnitudes of activity in these regions across participants. However, the A/DLPFC may also inhibit the hippocampus, which would predict a negative correlation between the magnitudes of activity in these regions. In the present functional magnetic resonance imaging (fMRI) study, during encoding, participants viewed abstract shapes in the left or right visual field...
January 23, 2017: Brain Sciences
https://www.readbyqxmd.com/read/28116810/can-implicit-associations-distinguish-true-and-false-eyewitness-memory-development-and-preliminary-testing-of-the-iate
#15
Rebecca K Helm, Stephen J Ceci, Kayla A Burd
Eyewitness identification has been shown to be fallible and prone to false memory. In this study we develop and test a new method to probe the mechanisms involved in the formation of false memories in this area, and determine whether a particular memory is likely to be true or false. We created a seven-step procedure based on the Implicit Association Test to gauge implicit biases in eyewitness identification (the IATe). We show that identification errors may result from unconscious bias caused by implicit associations evoked by a given face...
January 23, 2017: Behavioral Sciences & the Law
https://www.readbyqxmd.com/read/28111495/public-attitudes-on-the-ethics-of-deceptively-planting-false-memories-to-motivate-healthy-behavior
#16
Robert A Nash, Shari R Berkowitz, Simon Roche
Researchers have proposed that planting false memories could have positive behavioral consequences. The idea of deceptively planting 'beneficial' false memories outside of the laboratory raises important ethical questions, but how might the general public appraise this moral dilemma? In two studies, participants from the USA and UK read about a fictional 'false-memory therapy' that led people to adopt healthy behaviors. Participants then reported their attitudes toward the acceptability of this therapy, via scale-rating (both studies) and open-text (study 2) responses...
November 2016: Applied Cognitive Psychology
https://www.readbyqxmd.com/read/28105498/destination-memory-and-deception-when-i-lie-to-barack-obama-about-the-moon
#17
Mohamad El Haj, Xavier Saloppé, Jean Louis Nandrino
This study investigates whether deceivers demonstrate high memory of the person to whom lies have been told (i.e., high destination memory). Participants were asked to tell true information (e.g., the heart is a vital organ) and false information (e.g., the moon is bigger than the sun) to pictures of famous people (e.g., Barack Obama) and, in a subsequent recognition test, they had to remember to whom each type of information had previously been told. Participants were also assessed on a deception scale to divide them into two populations (i...
January 20, 2017: Psychological Research
https://www.readbyqxmd.com/read/28093783/maltreatment-increases-spontaneous-false-memories-but-decreases-suggestion-induced-false-memories-in-children
#18
Henry Otgaar, Mark L Howe, Peter Muris
We examined the creation of spontaneous and suggestion-induced false memories in maltreated and non-maltreated children. Maltreated and non-maltreated children were involved in a Deese-Roediger-McDermott false memory paradigm where they studied and remembered negative and neutral word lists. Suggestion-induced false memories were created using a misinformation procedure during which both maltreated and non-maltreated children viewed a negative video (i.e., bank robbery) and later received suggestive misinformation concerning the event...
January 17, 2017: British Journal of Developmental Psychology
https://www.readbyqxmd.com/read/28077709/semantic-congruence-accelerates-the-onset-of-the-neural-signals-of-successful-memory-encoding
#19
Pau A Packard, Antoni Rodríguez-Fornells, Nico Bunzeck, Berta Nicolás, Ruth de Diego-Balaguer, Lluís Fuentemilla
: As the stream of experience unfolds, our memory system rapidly transforms current inputs into long-lasting meaningful memories. A putative neural mechanism that strongly influences how input elements are transformed into meaningful memory codes relies on the ability to integrate them with existing structures of knowledge or schemas. However, it is not yet clear whether schema-related integration neural mechanisms occur during online encoding. In the current investigation, we examined the encoding-dependent nature of this phenomenon in humans...
January 11, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28072823/syntactic-recursion-facilitates-and-working-memory-predicts-recursive-theory-of-mind
#20
Burcu Arslan, Annette Hohenberger, Rineke Verbrugge
In this study, we focus on the possible roles of second-order syntactic recursion and working memory in terms of simple and complex span tasks in the development of second-order false belief reasoning. We tested 89 Turkish children in two age groups, one younger (4;6-6;5 years) and one older (6;7-8;10 years). Although second-order syntactic recursion is significantly correlated with the second-order false belief task, results of ordinal logistic regressions revealed that the main predictor of second-order false belief reasoning is complex working memory span...
2017: PloS One
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