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https://www.readbyqxmd.com/read/28213830/recognition-memory-for-low-and-high-frequency-filtered-emotional-faces-low-spatial-frequencies-drive-emotional-memory-enhancement-whereas-high-spatial-frequencies-drive-the-emotion-induced-recognition-bias
#1
Michaela Rohr, Johannes Tröger, Nils Michely, Alarith Uhde, Dirk Wentura
This article deals with two well-documented phenomena regarding emotional stimuli: emotional memory enhancement-that is, better long-term memory for emotional than for neutral stimuli-and the emotion-induced recognition bias-that is, a more liberal response criterion for emotional than for neutral stimuli. Studies on visual emotion perception and attention suggest that emotion-related processes can be modulated by means of spatial-frequency filtering of the presented emotional stimuli. Specifically, low spatial frequencies are assumed to play a primary role for the influence of emotion on attention and judgment...
February 17, 2017: Memory & Cognition
https://www.readbyqxmd.com/read/28213445/ultra-high-field-fmri-reveals-a-role-for-the-subiculum-in-scene-perceptual-discrimination
#2
Carl J Hodgetts, Natalie L Voets, Adam G Thomas, Stuart Clare, Andrew D Lawrence, Kim S Graham
Recent 'representational' accounts suggest a key role for the hippocampus in complex scene perception. Due to limitations in scanner field strength, however, the functional neuroanatomy of hippocampal-dependent scene perception is unknown. Here, we applied 7-Tesla high-resolution functional magnetic resonance imaging (fMRI) alongside a perceptual oddity task, modified from non-human primate studies. This task requires subjects to discriminate highly similar scenes, faces or objects from multiple viewpoints, and has revealed selective impairments during scene discrimination following hippocampal lesions...
February 17, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28210488/systematic-distortions-in-vertical-placement-of-features-in-drawings-of-faces-and-houses
#3
Neil R Harrison, Julia Jones, Simon J Davies
A crucial part of accurately drawing portraits is the correct vertical positioning of the eyes. Non-experts typically place the eyes higher on the head than they are actually located; however, the explanation for this remains unclear. In Experiment 1, participants drew faces from memory and directly copied from a photograph, to confirm whether biases in observational drawings were related to biases in memory-based drawings. In Experiment 2, participants drew a cat's face, to test explanations by Carbon and Wirth for the positional bias: the 'view-from-below, the 'head-as-box', and the 'hair-as-hat' explanations...
January 2017: I-Perception
https://www.readbyqxmd.com/read/28207407/deep-pain-exploiting-long-short-term-memory-networks-for-facial-expression-classification
#4
Pau Rodriguez, Guillem Cucurull, Jordi Gonalez, Josep M Gonfaus, Kamal Nasrollahi, Thomas B Moeslund, F Xavier Roca
Pain is an unpleasant feeling that has been shown to be an important factor for the recovery of patients. Since this is costly in human resources and difficult to do objectively, there is the need for automatic systems to measure it. In this paper, contrary to current state-of-the-art techniques in pain assessment, which are based on facial features only, we suggest that the performance can be enhanced by feeding the raw frames to deep learning models, outperforming the latest state-of-the-art results while also directly facing the problem of imbalanced data...
February 9, 2017: IEEE Transactions on Cybernetics
https://www.readbyqxmd.com/read/28205156/restrained-eating-and-food-cues-recent-findings-and-conclusions
#5
REVIEW
Janet Polivy, C Peter Herman
PURPOSE OF REVIEW: The purposes of the present review are to organize the recent literature on the effects of food cues on restrained and unrestrained eaters and to determine current directions in such work. RECENT FINDINGS: Research over the last several years involves both replicating the work showing that restrained eaters respond to attractive food cues by eating more but unrestrained eaters show less responsiveness and extending this work to examine the mechanisms that might underlie this differential responsiveness...
February 15, 2017: Current Obesity Reports
https://www.readbyqxmd.com/read/28198648/quality-of-life-among-senior-citizens-in-bhutan
#6
Nidup Dorji, Michael P Dunne, Charrlotte Seib, Sibnath Deb
This study explored associations between quality of life (QOL), spirituality, social integration, chronic diseases, and lifetime adversity among people aged 60 years and older in Bhutan. Adults aged 60 to 101 years (n = 337) completed face-to-face interviews. The main measure included the World Health Organization QOL questionnaire and Adverse Childhood Experiences International Questionnaire. The social relationships domain of QOL had the highest mean. Frequent back pain, memory decline, depression, mobility impairment, insomnia, and lung diseases were commonly reported and negatively related to QOL...
January 2017: Asia-Pacific Journal of Public Health
https://www.readbyqxmd.com/read/28194640/life-beyond-a-diagnosis-of-glioblastoma-a-systematic-review-of-the-literature
#7
REVIEW
L Gately, S A McLachlan, A Dowling, J Philip
BACKGROUND: The median survival of glioblastoma is 12-14 months with less than 10% of patients surviving at least 2 years from diagnosis. Patients diagnosed with glioblastoma face poor prognosis, significant symptom burden, and high care needs. The aim of this study is to undertake a literature review to document the issues encountered by long-term survivors of glioblastoma, a small but important subset of patients. METHODS: MEDLINE, PsychInfo, and EMBASE were searched with core concepts: (1) glioblastoma, (2) survivor, and (3) terms pertaining to survivorship issues...
February 13, 2017: Journal of Cancer Survivorship: Research and Practice
https://www.readbyqxmd.com/read/28193686/paraventricular-thalamus-balances-danger-and-reward
#8
Eun A Choi, Gavan P McNally
Foraging animals balance the need to seek food and energy against the accompanying dangers of injury and predation. To do so, they rely on learning systems encoding reward and danger. Whereas much is known about these separate learning systems, little is known about how they interact to shape and guide behavior. Here we show a key role for the rat paraventricular nucleus of the thalamus (PVT), a nucleus of the dorsal midline thalamus, in this interaction. First we show behavioral competition between reward and danger: the opportunity to seek food reward negatively modulates expression of species-typical defensive behavior...
February 13, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28193174/using-theory-to-explore-facilitators-and-barriers-to-delayed-prescribing-in-australia-a-qualitative-study-using-the-theoretical-domains-framework-and-the-behaviour-change-wheel
#9
Lucy Sargent, Amanda McCullough, Chris Del Mar, John Lowe
BACKGROUND: Delayed antibiotic prescribing reduces antibiotic use for acute respiratory infections in trials in general practice, but the uptake in clinical practice is low. The aim of the study was to identify facilitators and barriers to general practitioners' (GPs') use of delayed prescribing and to gain pharmacists' and the public's views about delayed prescribing in Australia. METHODS: This study used the Theoretical Domains Framework and the Behaviour Change Wheel to explore facilitators and barriers to delayed prescribing in Australia...
February 13, 2017: BMC Family Practice
https://www.readbyqxmd.com/read/28188306/left-frontal-cortex-connectivity-underlies-cognitive-reserve-in-prodromal-alzheimer-disease
#10
Nicolai Franzmeier, Marco Duering, Michael Weiner, Martin Dichgans, Michael Ewers
OBJECTIVE: To test whether higher global functional connectivity of the left frontal cortex (LFC) in Alzheimer disease (AD) is associated with more years of education (a proxy of cognitive reserve [CR]) and mitigates the association between AD-related fluorodeoxyglucose (FDG)-PET hypometabolism and episodic memory. METHODS: Forty-four amyloid-PET-positive patients with amnestic mild cognitive impairment (MCI-Aβ+) and 24 amyloid-PET-negative healthy controls (HC) were included...
February 10, 2017: Neurology
https://www.readbyqxmd.com/read/28187303/response-bias-related-impairment-of-early-subjective-face-discrimination-in-social-anxiety-disorders-an-event-related-potential-study
#11
Yanyan Qi, Ruolei Gu, Jianqin Cao, Xuejing Bi, Haiyan Wu, Xun Liu
Considerable research has shown that social anxiety disorder (SAD) is accompanied by various negative cognitive biases, such as social feedback expectancy bias, memory bias, and interpretation bias. However, whether the memory bias in individuals with SAD is actually a manifestation of response bias, and whether such response bias is associated with deficits in face discrimination, remains unclear. In the present study, we investigated response bias (i.e., a tendency to recognize more negative evaluations) to faces with positive (social acceptance) or negative (social rejection) social evaluations in individuals with SAD and healthy controls (HCs) using event-related potentials (ERPs)...
February 5, 2017: Journal of Anxiety Disorders
https://www.readbyqxmd.com/read/28182480/are-portrait-artists-superior-face-recognizers-limited-impact-of-adult-experience-on-face-recognition-ability
#12
Jeremy J Tree, Ruth Horry, Howard Riley, Jeremy B Wilmer
Across 2 studies, the authors asked whether extensive experience in portrait art is associated with face recognition ability. In Study 1, 64 students completed a standardized face recognition test before and after completing a year-long art course that included substantial portraiture training. They found no evidence of an improvement in face recognition after training over and above what would be expected by practice alone. In Study 2, the authors investigated the possibility that more extensive experience might be needed for such advantages to emerge, by testing a cohort of expert portrait artists (N = 28), all of whom had many years of experience...
February 9, 2017: Journal of Experimental Psychology. Human Perception and Performance
https://www.readbyqxmd.com/read/28180076/face-name-association-task-reveals-memory-networks-in-patients-with-left-and-right-hippocampal-sclerosis
#13
Silke Klamer, Monika Milian, Michael Erb, Sabine Rona, Holger Lerche, Thomas Ethofer
We aimed to identify reorganization processes of episodic memory networks in patients with left and right temporal lobe epilepsy (TLE) due to hippocampal sclerosis as well as their relations to neuropsychological memory performance. We investigated 28 healthy subjects, 12 patients with left TLE (LTLE) and 9 patients with right TLE (RTLE) with hippocampal sclerosis by means of functional magnetic resonance imaging (fMRI) using a face-name association task, which combines verbal and non-verbal memory functions...
2017: NeuroImage: Clinical
https://www.readbyqxmd.com/read/28171826/face-recognition-impairment-in-small-for-gestational-age-and-preterm-children
#14
T Perez-Roche, I Altemir, G Giménez, E Prieto, I González, J López Pisón, V Pueyo
BACKGROUND: Infants born prematurely or with low birth weight are at increased risk of visual perceptual impairment. Face recognition is a high-order visual ability important for social development, which has been rarely assessed in premature or low birth weight children. AIMS: To evaluate the influence of prematurity and low birth weight on face recognition skills. METHODS: Seventy-seven children were evaluated as part of a prospective cohort study...
February 4, 2017: Research in Developmental Disabilities
https://www.readbyqxmd.com/read/28162897/opposite-effects-of-recent-history-on-perception-and-decision
#15
Matthias Fritsche, Pim Mostert, Floris P de Lange
Recent studies claim that visual perception of stimulus features, such as orientation, numerosity, and faces, is systematically biased toward visual input from the immediate past [1-3]. However, the extent to which these positive biases truly reflect changes in perception rather than changes in post-perceptual processes is unclear [4, 5]. In the current study we sought to disentangle perceptual and decisional biases in visual perception. We found that post-perceptual decisions about orientation were indeed systematically biased toward previous stimuli and this positive bias did not strongly depend on the spatial location of previous stimuli (replicating previous work [1])...
January 31, 2017: Current Biology: CB
https://www.readbyqxmd.com/read/28161156/amyloid-beta-deposition-is-associated-with-increased-medial-temporal-lobe-activation-during-memory-encoding-in-the-cognitively-normal-elderly
#16
Kathryn Edelman, Dana Tudorascu, Christian Agudelo, Beth Snitz, Helmet Karim, Ann Cohen, Chester Mathis, Julie Price, Lisa Weissfeld, William Klunk, Howard Aizenstein
BACKGROUND: Much is unknown about changes that occur in the brain in the years preceding the cognitive and functional impairment associated with Alzheimer disease (AD). This period before mild cognitive impairment is present has been referred to as preclinical AD, and is thought to begin with amyloid-beta deposition and then progress to neurodegeneration and functional brain circuit alterations. Prior studies have shown that there is increased medial temporal lobe activation on functional magnetic resonance imaging (fMRI) early in the course of mild cognitive impairment...
January 19, 2017: American Journal of Geriatric Psychiatry
https://www.readbyqxmd.com/read/28161031/fmri-activity-during-associative-encoding-is-correlated-with-cardiorespiratory-fitness-and-source-memory-performance-in-older-adults
#17
Scott M Hayes, Jasmeet P Hayes, Victoria J Williams, Huiting Liu, Mieke Verfaellie
Older adults (OA), relative to young adults (YA), exhibit age-related alterations in functional Magnetic Resonance Imaging (fMRI) activity during associative encoding, which contributes to deficits in source memory. Yet, there are remarkable individual differences in brain health and memory performance among OA. Cardiorespiratory fitness (CRF) is one individual difference factor that may attenuate brain aging, and thereby contribute to enhanced source memory in OA. To examine this possibility, 26 OA and 31 YA completed a treadmill-based exercise test to evaluate CRF (peak VO2) and fMRI to examine brain activation during a face-name associative encoding task...
January 12, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/28158153/trigeminal-neuralgia-induced-by-cobra-venom-leads-to-cognitive-deficits-associated-with-downregulation-of-creb-bdnf-pathway
#18
Li Zhang, Xinli Ding, Zhe Wu, Xiaoyan Qian, Jianxiong An, Ming Tian
BACKGROUND: Chronic pain often results in cognitive impairment. Our previous study showed that trigeminal neuralgia induced by cobra venom leads to spatial learning and memory deficits, although the underlying mechanism remains unclear. However, recent evidence indicates that the c-AMP-responsive element binding protein (CREB)/brain derived neurotrophic factor (BDNF) pathway plays a critical role in various etiologies of cognitive deficits. OBJECTIVES: Our aim was to explore the CREB/BDNF pathway to determine the molecular mechanisms involved in the pathogenesis of cognitive impairment caused by cobra venom-induced trigeminal neuralgia...
February 2017: Pain Physician
https://www.readbyqxmd.com/read/28157694/mathematics-anxiety-and-the-brain
#19
Ahmed A Moustafa, Richard Tindle, Zaheda Ansari, Margery J Doyle, Doaa H Hewedi, Abeer Eissa
Given that achievement in learning mathematics at school correlates with work and social achievements, it is important to understand the cognitive processes underlying abilities to learn mathematics efficiently as well as reasons underlying the occurrence of mathematics anxiety (i.e. feelings of tension and fear upon facing mathematical problems or numbers) among certain individuals. Over the last two decades, many studies have shown that learning mathematical and numerical concepts relies on many cognitive processes, including working memory, spatial skills, and linguistic abilities...
February 3, 2017: Reviews in the Neurosciences
https://www.readbyqxmd.com/read/28157666/cognitive-and-behavioural-predictors-of-adolescents-communicative-perspective-taking-and-social-relationships
#20
Elizabeth S Nilsen, Sarah A Bacso
Given the pivotal role that social interactions play for adolescents' well-being, understanding the factors that influence communication is key. The present study examined relations between adolescents' communicative perspective-taking, executive function skills, and ADHD traits and explored the role communicative perspective-taking plays in peer relations. Data was collected from a community sample of 15 to 19-years-olds (N = 46) in Waterloo, Canada. Two communicative perspective-taking tasks required participants to infer speakers' communicative intentions...
January 31, 2017: Journal of Adolescence
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