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https://www.readbyqxmd.com/read/27934542/the-impact-of-aging-on-associative-memory-for-preexisting-unitized-associations
#1
Emma Delhaye, Christine Bastin
Aging is accompanied by a decline in associative memory that can, however, be attenuated when associations are unitized at encoding, that is, when they form an integrated entity. Unitization is thought to promote familiarity-based recognition memory, which is preserved in aging. We examined whether preexperimentally unitized associations (compound words (CWs)) do indeed reduce age differences in memory, and whether preexperimental unitization promotes familiarity. In Experiment 1, we assessed the memory of 20 young and 20 older participants for compound versus unrelated word pairs using a yes/no recognition test with Remember/Know/Guess judgments...
December 9, 2016: Neuropsychology, Development, and Cognition. Section B, Aging, Neuropsychology and Cognition
https://www.readbyqxmd.com/read/27923474/recapitulation-of-emotional-source-context-during-memory-retrieval
#2
Holly J Bowen, Elizabeth A Kensinger
Recapitulation involves the reactivation of cognitive and neural encoding processes at retrieval. In the current study, we investigated the effects of emotional valence on recapitulation processes. Participants encoded neutral words presented on a background face or scene that was negative, positive or neutral. During retrieval, studied and novel neutral words were presented alone (i.e., without the scene or face) and participants were asked to make a remember, know or new judgment. Both the encoding and retrieval tasks were completed in the fMRI scanner...
November 16, 2016: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/27899170/confabulation-developing-the-emotion-dysregulation-hypothesis
#3
REVIEW
Oliver H Turnbull, Christian E Salas
Confabulations offer unique opportunities for establishing the neurobiological basis of delusional thinking. As regards causal factors, a review of the confabulation literature suggests that neither amnesia nor executive impairment can be the sole (or perhaps even the primary) cause of all delusional beliefs - though they may act in concert with other factors. A key perspective in the modern literature is that many delusions have an emotionally positive or 'wishful' element, that may serve to modulate or manage emotional experience...
October 19, 2016: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/27889700/clarence-borel-the-man-behind-the-court-case
#4
Linda Reinstein, Bridget Bersin
Borel v. Fibreboard Paper Products Corporation is the 1973 landmark case that paved the way for successful litigation against the asbestos industry. Clarence Borel's granddaughter shares recollections of the reluctant man behind the court case.
November 25, 2016: New Solutions: a Journal of Environmental and Occupational Health Policy: NS
https://www.readbyqxmd.com/read/27880059/repetition-lag-memory-training-is-feasible-in-patients-with-chronic-stroke-including-those-with-memory-problems
#5
Vessela Stamenova, Janine M Jennings, Shaun P Cook, Fuqiang Gao, Lisa A S Walker, Andra M Smith, Patrick S R Davidson
PRIMARY OBJECTIVE: Repetition-lag memory training was developed to increase individuals' use of recollection as opposed to familiarity in recognition memory. The goals of this study were to examine the feasibility of repetition-lag training in patients with chronic stroke and to explore whether the training might show suggestions of transfer to non-trained tasks. RESEARCH DESIGN: Quasi-experimental. METHODS AND PROCEDURES: Patients (n = 17) took part in six repetition-lag training sessions and their gains on the training and non-trained tasks were compared to those of age-matched healthy controls (n = 30)...
November 23, 2016: Brain Injury: [BI]
https://www.readbyqxmd.com/read/27879321/when-misinformation-improves-memory-the-effects-of-recollecting-change
#6
Adam L Putnam, Victor W Sungkhasettee, Henry L Roediger
In two experiments, we explored the effects of noticing and remembering change in the misinformation paradigm. People watched slide shows, read narratives containing misinformation about the events depicted in the slide shows, and took a recognition test on which they reported whether any details had changed between the slides and the narratives. As expected, we found a strong misinformation effect overall. In some cases, however, misinformation led to improved recognition, which is opposite the usual finding...
November 22, 2016: Psychological Science
https://www.readbyqxmd.com/read/27873031/stability-of-sexual-attractions-across-different-timescales-the-roles-of-bisexuality-and-gender
#7
Lisa M Diamond, Janna A Dickenson, Karen L Blair
We examined the stability of same-sex and other-sex attractions among 294 heterosexual, lesbian, gay, and bisexual men and women between the ages of 18 and 40 years. Participants used online daily diaries to report the intensity of each day's strongest same-sex and other-sex attraction, and they also reported on changes they recalled experiencing in their attractions since adolescence. We used multilevel dynamical systems models to examine individual differences in the stability of daily attractions (stability, in these models, denotes the tendency for attractions to "self-correct" toward a person-specific setpoint over time)...
November 21, 2016: Archives of Sexual Behavior
https://www.readbyqxmd.com/read/27872605/dissociating-the-electrophysiological-correlates-between-item-retrieval-and-associative-retrieval-in-associative-recognition-from-the-perspective-of-directed-forgetting
#8
Yujuan Wang, Xinrui Mao, Bingbing Li, Wei Wang, Chunyan Guo
Although many behavioral studies have reported associative memory was different from item memory, evidence coming from ERP researches has been in debate. In addition, directed forgetting effect for items has been fully discussed, but whether association between items can be directed-forgotten was unclear. The directed forgetting effect was important for dissociating the item retrieval and associative retrieval because of the one-to-one mapping relationship both between item retrieval and familiarity and between associative retrieval and recollection...
2016: Frontiers in Psychology
https://www.readbyqxmd.com/read/27870990/memory-by-association-integrating-memories-prolongs-retention-by-two-year-olds
#9
Harlene Hayne, Julien Gross
Recalling one memory often leads to the recollection of other memories that share overlapping features. This phenomenon, spreading activation, was originally documented in studies conducted with verbal adults, and more recently, it has been demonstrated with preverbal infants. Here, we examine the effect of spreading activation on long-term retention by 2-year-olds. Participants were tested in the Visual Recognition Memory (VRM) paradigm and the deferred imitation paradigm. Typically, infants of this age exhibit retention in the VRM paradigm for 24h, while they exhibit retention in the deferred imitation paradigm for at least 8 weeks...
November 18, 2016: Infant Behavior & Development
https://www.readbyqxmd.com/read/27865251/like-being-covered-in-a-wet-and-dark-blanket-parents-lived-experiences-of-losing-a-child-to-cancer
#10
Maria Björk, Annelie J Sundler, Inger Hallström, Kina Hammarlund
PURPOSE: The aim of this study was to illuminate parents' lived experiences of losing a child to cancer. METHOD: Interviews and a narrative about parents' experiences of losing a child to cancer were gathered from six parents of children whom had participated in a longitudinal study across the child's illness trajectory. The analysis of the data was inspired by van Manen's hermeneutic phenomenological approach. RESULTS: One essential theme emerged: Like being covered in a wet and dark blanket, as well as six related themes: Feeling conflicting emotions, Preparing for the moment of death, Continuing parenting after death, Recollecting and sharing memories, Working through the sorrow and New perspectives in life...
December 2016: European Journal of Oncology Nursing: the Official Journal of European Oncology Nursing Society
https://www.readbyqxmd.com/read/27860305/forgetting-of-the-recollection-and-familiarity-components-of-recognition-in-patients-with-amnestic-mild-cognitive-impairment
#11
Maria Giovanna Lombardi, Roberta Perri, Lucia Fadda, Carlo Caltagirone, Giovanni Augusto Carlesimo
INTRODUCTION: Patients with amnestic mild cognitive impairment (a-MCI) are deficient in storing memory traces relative to recollective forms of declarative memory. Controversial data have, instead, been reported concerning the storage of new memory traces relative to familiarity, with some studies reporting impairment and others sparing of the storage of this form of memory. No data have been reported concerning the consolidation of recollection and familiarity memory traces subsequent to their storage...
November 17, 2016: Journal of Neuropsychology
https://www.readbyqxmd.com/read/27859925/material-specificity-drives-medial-temporal-lobe-familiarity-but-not-hippocampal-recollection
#12
Alex Kafkas, Ellen M Migo, Robin G Morris, Michael D Kopelman, Daniela Montaldi, Andrew R Mayes
The specific role of the perirhinal (PRC), entorhinal (ERC) and parahippocampal cortices (PHC) in supporting familiarity-based recognition remains unknown. An fMRI study explored whether these medial temporal lobe (MTL) structures responded in the same way or differentially to familiarity as a function of stimulus type at recognition. A secondary aim was to explore whether the hippocampus responds in the same way to equally strong familiarity and recollection and whether this is influenced by the kind of stimulus involved...
November 16, 2016: Hippocampus
https://www.readbyqxmd.com/read/27858550/recollection-after-inhibition-the-effects-of-intentional-forgetting-on-the-neural-correlates-of-retrieval
#13
Avery A Rizio, Nancy A Dennis
Intentional forgetting is posited to utilize both encoding and inhibition to control what information enters long-term memory. Within the context of the directed forgetting paradigm, evidence for the role of inhibition to support forgetting has been examined primarily during encoding. Specifically, past studies have shown that when encoding processes are intentionally inhibited, information is less likely to be remembered. Despite the recruitment of such inhibitory processes, not all items are successfully forgotten...
January 2017: Cognitive Neuroscience
https://www.readbyqxmd.com/read/27858527/parental-invalidation-and-the-development-of-narcissism
#14
Elizabeth Huxley, Boris Bizumic
Parenting behaviors and childhood experiences have played a central role in theoretical approaches to the etiology of narcissism. Research has suggested an association between parenting and narcissism; however, it has been limited in its examination of different narcissism subtypes and individual differences in parenting behaviors. This study investigates the influence of perceptions of parental invalidation, an important aspect of parenting behavior theoretically associated with narcissism. Correlational and hierarchical regression analyses were conducted using a sample of 442 Australian participants to examine the relationship between invalidating behavior from mothers and fathers, and grandiose and vulnerable narcissism...
November 18, 2016: Journal of Psychology
https://www.readbyqxmd.com/read/27857685/conditional-knockout-of-cav2-1-disrupts-the-accuracy-of-spatial-recognition-of-ca1-place-cells-and-spatial-contextual-recognition-behavior
#15
Dahee Jung, Yu J Hwang, Hoon Ryu, Masanobu Kano, Kenji Sakimura, Jeiwon Cho
Hippocampal pyramidal neurons play an essential role in processing spatial information as implicated with its place-dependent firing. Although, previous slice physiology studies have reported that voltage gated calcium channels contribute to spike shapes and corresponding firing rate in the hippocampus, the roles of P/Q type calcium channels (Cav2.1) underlying neural activity in behaving mice have not been well-investigated. To determine physiological and behavioral roles of Cav2.1, we conducted place cell recordings in CA1 and hippocampus dependent learning/memory tasks using mice lacking Cav2...
2016: Frontiers in Behavioral Neuroscience
https://www.readbyqxmd.com/read/27857199/neural-correlates-underlying-impaired-memory-facilitation-and-suppression-of-negative-material-in-depression
#16
Dandan Zhang, Hui Xie, Yunzhe Liu, Yuejia Luo
Previous behavioral studies demonstrated that depressed individuals have difficulties in forgetting unwanted, especially negative, event. However, inconsistent results still exit and the neural mechanism of this phenomenon has not been investigated. This study examined the intentional memory facilitation/suppression of negative and neutral materials in depression using Think/No-Think paradigm. We found that compared with nondepressed group, depressed group recalled more negative items, irrespective of either "Think" or "No-Think" instructions...
November 18, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27847250/recyclable-saccharomyces-cerevisiae-loaded-nanofibrous-mats-with-sandwich-structure-constructing-via-bio-electrospraying-for-heavy-metal-removal
#17
Shangjing Xin, Zhaoyang Zeng, Xue Zhou, Wenjing Luo, Xiaowen Shi, Qun Wang, Hongbing Deng, Yumin Du
Biosorbents, such as algae and yeast, have been applied in heavy metal adsorption due to their low cost and efficacy. However, they cannot be recycled and reused after direct application, which may cause a secondary pollution. In this study, we used bio-electrospraying technique to immobilize Saccharomyces cerevisiae (a byproduct from food fermentation) onto the surface of poly(ε-caprolactone)/chitosan/rectorite ternary composites based nanofibrous mats. This technique not only combined the advantages of both S...
October 31, 2016: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/27836388/plastic-in-patient-study-prospective-audit-of-adherence-to-peripheral-intravenous-cannula-monitoring-and-documentation-guidelines-with-the-aim-of-reducing-future-rates-of-intravenous-cannula-related-complications
#18
Lokesh Yagnik, Angela Graves, Ken Thong
BACKGROUND: Peripheral intravenous cannula (PIVC) insertion is a universal intervention for inpatients and is associated with multiple complications. Effective, simple, reproducible interventions specific to PIVC complication prevention are few and often extrapolated from central venous catheter complication prevention strategies. The objective of this study is to improve compliance with documentation and monitoring PIVC guidelines in the medical ward of a secondary care center. METHODS: This study is a prospective run-in audit of adherence to PIVC documentation and monitoring guidelines between the dates of August 30-November 14, 2014, with data recollection from December 25, 2014-January 30, 2015, after intervention implementation...
November 8, 2016: American Journal of Infection Control
https://www.readbyqxmd.com/read/27831938/synthesis-of-fe3o4-nickel-silicate-core-shell-nanoparticles-for-his-tagged-enzyme-immobilizing-agents
#19
Moo-Kwang Shin, Byunghoon Kang, Nam-Kyung Yoon, Myeong-Hoon Kim, Jisun Ki, Seungmin Han, Jung-Oh Ahn, Seungjoo Haam
Immobilizing enzymes on artificially fabricated carriers for their efficient use and easy removal from reactants has attracted enormous interest for decades. Specifically, binding platforms using inorganic nanoparticles have been widely explored because of the benefits of their large surface area, easy surface modification, and high stability in various pH and temperatures. Herein, we fabricated Fe3O4 encapsulated 'sea-urchin' shaped nickel-silicate nanoparticles with a facile synthetic route. The enzymes were then rapidly and easily immobilized with poly-histidine tags (His-tags) and nickel ion affinity...
December 9, 2016: Nanotechnology
https://www.readbyqxmd.com/read/27831715/characterizing-adult-age-differences-in-the-initiation-and-organization-of-retrieval-a-further-investigation-of-retrieval-dynamics-in-dual-list-free-recall
#20
Christopher N Wahlheim, Lauren L Richmond, Mark J Huff, Ian G Dobbins
In a recent experiment using dual-list free recall of unrelated word lists, C. N. Wahlheim and M. J. Huff (2015) found that relative to younger adults, older adults showed: (a) impaired recollection of temporal context, (b) a broader pattern of retrieval initiation when recalling from 2 lists, and (c) more intrusions when selectively recalling from 1 of 2 lists. These findings showed older adults' impaired ability to use controlled retrieval to avoid proactive and retroactive interference. In the present investigation, 3 studies examined whether differences in retrieval initiation patterns were unique to aging and whether they were governed by the control mechanisms that underlie individuals' susceptibility to intrusions...
November 2016: Psychology and Aging
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