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https://www.readbyqxmd.com/read/28527215/diagnostic-and-prognostic-value-of%C3%A2-the%C3%A2-combination-of-two-measures-of%C3%A2-verbal-memory-in-mild-cognitive-impairment-due%C3%A2-to-alzheimer-s-disease
#1
Isabel Sala, Ignacio Illán-Gala, Daniel Alcolea, Ma Belén Sánchez-Saudinós, Sergio Andrés Salgado, Estrella Morenas-Rodríguez, Andrea Subirana, Laura Videla, Jordi Clarimón, María Carmona-Iragui, Roser Ribosa-Nogué, Rafael Blesa, Juan Fortea, Alberto Lleó
BACKGROUND: Episodic memory impairment is the core feature of typical Alzheimer's disease. OBJECTIVE: To evaluate the performance of two commonly used verbal memory tests to detect mild cognitive impairment due to Alzheimer's disease (MCI-AD) and to predict progression to Alzheimer's disease dementia (AD-d). METHODS: Prospective study of MCI patients in a tertiary memory disorder unit. Patients underwent an extensive neuropsychological battery including two tests of declarative verbal memory: The Free and Cued Selective Reminding Test (FCSRT) and the word list learning task from the Consortium to Establish a Registry for Alzheimer's disease (CERAD-WL)...
May 13, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28526621/electrophysiological-signatures-of-phonological-and-semantic-maintenance-in-sentence-repetition
#2
Jed A Meltzer, Aneta Kielar, Lilia Panamsky, Kira A Links, Tiffany Deschamps, Rosie C Leigh
Verbal short-term memory comprises resources for phonological rehearsal, which have been characterized anatomically, and for maintenance of semantic information, which are less understood. Sentence repetition tasks tap both processes interactively. To distinguish brain activity involved in phonological vs. semantic maintenance, we recorded magnetoencephalography during a sentence repetition task, incorporating three manipulations emphasizing one mechanism over the other. Participants heard sentences or word lists and attempted to repeat them verbatim after a 5-second delay...
May 16, 2017: NeuroImage
https://www.readbyqxmd.com/read/28523932/repeated-recall-as-an-intervention-to-improve-memory-performance-in-heart-failure-patients
#3
Jennifer Viveiros, Kristen Sethares, Amy Shapiro
BACKGROUND: Up to 50% of heart failure patients demonstrate aspects of cognitive impairment, including memory deficit. Novel interventions are needed to address memory deficit among heart failure patients. AIM: The goal of this study was to evaluate the testing effect as an intervention to improve memory performance in heart failure patients. METHODS: This was a randomized controlled clinical trial ( N=84) comparing the memory performance of heart failure patients with and without mild cognitive impairment after a repeated testing intervention...
May 1, 2017: European Journal of Cardiovascular Nursing
https://www.readbyqxmd.com/read/28522984/applicability-of-the-compensatory-encoding-model-in-foreign-language-reading-an-investigation-with-chinese-college-english-language-learners
#4
Feifei Han
While some first language (L1) reading models suggest that inefficient word recognition and small working memory tend to inhibit higher-level comprehension processes; the Compensatory Encoding Model maintains that slow word recognition and small working memory do not normally hinder reading comprehension, as readers are able to operate metacognitive strategies to compensate for inefficient word recognition and working memory limitation as long as readers process a reading task without time constraint. Although empirical evidence is accumulated for support of the Compensatory Encoding Model in L1 reading, there is lack of research for testing of the Compensatory Encoding Model in foreign language (FL) reading...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28513073/early-neurocognitive-improvements-following-parathyroidectomy-for-primary-hyperparathyroidism
#5
Shivani Shah-Becker, Jonathan Derr, Benjamin S Oberman, Aaron Baker, Brian Saunders, Michele M Carr, David Goldenberg
OBJECTIVES: To establish a time frame for postoperative improvements in neurocognitive function in patients who undergo parathyroidectomy for primary hyperparathyroidism by utilizing repeat neuropsychological assessment at multiple time points before and after surgery. STUDY DESIGN: Prospective cohort study. METHODS: A prospective study was conducted at a tertiary academic medical center between August 2014 and December 2015, including 50 patients with primary hyperparathyroidism who underwent parathyroidectomy...
May 16, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28511588/an-evening-milk-drink-can-affect-word-recall-in-indonesian-children-with-decreased-sleep-efficiency-a-randomized-controlled-trial
#6
Rini Sekartini, Dian Novita Chandra, Tiana Arsianti, Saptawati Bardosono, Tjhin Wiguna, Anne Schaafsma
STUDY OBJECTIVES: Sleep is important for memory consolidation in children. This study intended to find out whether an evening milk-based drink could influence sleep efficiency and memory recall in a group of Indonesian children (5-6 years old) with sleep deprivation. METHODS: Children were randomly allocated to one of three interventions: Reference product, satiety-stimulating product, and a relaxing product. The intervention lasted for 6 weeks and children consumed two servings per day of each 200 ml, the serving in the morning being the same for all children...
May 16, 2017: Nutritional Neuroscience
https://www.readbyqxmd.com/read/28510782/memory-guided-force-control-in-healthy-younger-and-older-adults
#7
Kristina A Neely, Shaadee Samimy, Samantha L Blouch, Peiyuan Wang, Amanda Chennavasin, Michele T Diaz, Nancy A Dennis
Successful performance of a memory-guided motor task requires participants to store and then recall an accurate representation of the motor goal. Further, participants must monitor motor output to make adjustments in the absence of visual feedback. The goal of this study was to examine memory-guided grip force in healthy younger and older adults and compare it to performance on behavioral tasks of working memory. Previous work demonstrates that healthy adults decrease force output as a function of time when visual feedback is not available...
May 16, 2017: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
https://www.readbyqxmd.com/read/28506442/boosting-syntax-training-with-temporally-regular-musical-primes-in-children-with-cochlear-implants
#8
N Bedoin, A-M Besombes, E Escande, A Dumont, P Lalitte, B Tillmann
OBJECTIVES: Previous research has suggested the use of rhythmic structures (implemented in musical material) to improve linguistic structure processing (i.e., syntax processing), in particular for populations showing deficits in syntax and temporal processing (e.g., children with developmental language disorders). The present study proposes a long-term training program to improve syntax processing in children with cochlear implants, a population showing syntax processing deficits in perception and production...
May 11, 2017: Annals of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/28505995/prediction-of-post-stroke-functional-mobility%C3%A2-from-the-initial-assessment-of%C3%A2-cognitive-function
#9
Se Hee Jung, Shi-Uk Lee, Jihong Park
BACKGROUND: Cognitive impairment is frequently seen in patients with stroke. The possible correlation between cognitive function and functional mobility has been proposed; however, the prognostic importance of early cognitive function in recovery of mobility has not been investigated in patients with stroke. OBJECTIVE: The objective of this study is to investigate whether the cognitive function in the acute phase can independently predict the recovery of mobility after stroke, and to determine the cut-off value of each cognitive evaluation test for community ambulation at six months...
May 11, 2017: NeuroRehabilitation
https://www.readbyqxmd.com/read/28505273/factor-analysis-of-an-expanded-halstead-reitan-battery-and-the-structure-of-neurocognition
#10
Virginie M Patt, Gregory G Brown, Michael L Thomas, Scott C Roesch, Michael J Taylor, Robert K Heaton
Objective: The structure of neurocognition is explored by examining the neurocognitive domains underlying comprehensive neuropsychological assessment of cognitively healthy individuals. Method: Exploratory factor analysis was conducted on the adult normative dataset of an expanded Halstead-Reitan Battery (eHRB), comprising Caucasian and African American participants. The factor structure contributions of the original HRB, eHRB expansion, and Wechsler intelligence scales were compared...
May 13, 2017: Archives of Clinical Neuropsychology: the Official Journal of the National Academy of Neuropsychologists
https://www.readbyqxmd.com/read/28504527/the-testing-effect-under-divided-attention
#11
Zachary L Buchin, Neil W Mulligan
Memory retrieval often enhances later memory compared with restudying (i.e., the testing effect), indicating that retrieval does not simply reveal but also modifies memory representations. Dividing attention (DA) during encoding greatly disrupts later memory performance while DA during retrieval typically has modest effects-but what of the memory-modifying effects of retrieval? If these effects are similar to study-based encoding, they should be greatly disrupted by DA, a possibility consistent with elaborative and effortful accounts of the testing effect...
May 15, 2017: Journal of Experimental Psychology. Learning, Memory, and Cognition
https://www.readbyqxmd.com/read/28503024/remember-dax-relations-between-children-s-cross-situational-word-learning-memory-and-language-abilities
#12
Haley A Vlach, Catherine A DeBrock
Learning new words is a difficult task. Children are able to resolve the ambiguity of the task and map words to referents by tracking co-occurrence probabilities across multiple moments in time, a behavior termed cross-situational word learning (CSWL). Although we observe developments in CSWL abilities across childhood, the cognitive processes that drive individual and developmental change have yet to be identified. This research tested a developmental systems account by examining whether multiple cognitive systems co-contribute to children's CSWL...
April 2017: Journal of Memory and Language
https://www.readbyqxmd.com/read/28501551/contribution-of-stress-and-sex-hormones-to-memory-encoding
#13
Christian J Merz
Distinct stages of the menstrual cycle and the intake of oral contraceptives (OC) affect sex hormone levels, stress responses, and memory processes critically involved in the pathogenesis of mental disorders. To characterize the interaction of sex and stress hormones on memory encoding, 30 men, 30 women in the early follicular phase of the menstrual cycle (FO), 30 women in the luteal phase (LU), and 30 OC women were exposed to either a stress (socially evaluated cold-pressor test) or a control condition prior to memory encoding and immediate recall of neutral, positive, and negative words...
May 6, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28500488/-analysis-of-intrusion-errors-in-free-recall
#14
H F A Diesfeldt
Extra-list intrusion errors during five trials of the eight-word list-learning task of the Amsterdam Dementia Screening Test (ADST) were investigated in 823 consecutive psychogeriatric patients (87.1% suffering from major neurocognitive disorder). Almost half of the participants (45.9%) produced one or more intrusion errors on the verbal recall test. Correct responses were lower when subjects made intrusion errors, but learning slopes did not differ between subjects who committed intrusion errors and those who did not so...
May 12, 2017: Tijdschrift Voor Gerontologie en Geriatrie
https://www.readbyqxmd.com/read/28499558/influence-of-response-bias-and-internal-external-source-on-lateral-posterior-parietal-successful-retrieval-activity
#15
Danielle R King, Michael B Miller
In studies of recognition memory, regions of the lateral posterior parietal cortex exhibit greater activity (as indexed by the fMRI BOLD signal) during correct recognition of "old" (studied) items than correct rejection of "new" (unstudied) items. This effect appears to be source-sensitive, with greater activity associated with recognition of perceived than imagined events. Parietal successful retrieval activity also varies with response bias, or the tendency to be conservative about making "old" judgments...
April 15, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/28499557/the-effect-of-focal-cortical-frontal-and-posterior-lesions-on-recollection-and-familiarity-in-recognition-memory
#16
Vessela Stamenova, Fuqiang Gao, Sandra E Black, Michael L Schwartz, Natasha Kovacevic, Michael P Alexander, Brian Levine
Recognition memory can be subdivided into two processes: recollection (a contextually rich memory) and familiarity (a sense that an item is old). The brain network supporting recognition encompasses frontal, parietal and medial temporal regions. Which specific regions within the frontal lobe are critical for recollection vs. familiarity, however, are unknown; past studies of focal lesion patients have yielded conflicting results. We examined patients with focal lesions confined to medial polar (MP), right dorsal frontal (RDF), right frontotemporal (RFT), left dorsal frontal (LDF), temporal, and parietal regions and matched controls...
April 15, 2017: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/28499272/effects-of-cortisol-on-the-memory-bias-for-emotional-words-a-study-in-patients-with-depression-and-healthy-participants-using-the-directed-forgetting-task
#17
Linn K Kuehl, Oliver T Wolf, Martin Driessen, Nicole Schlosser, Silvia Carvalho Fernando, Katja Wingenfeld
Mood congruent alterations in information processing such as an impaired memory bias for emotional information and impaired inhibitory functions are prominent features of a major depressive disorder (MDD). Furthermore, in MDD patients hypothalamic-pituitary-adrenal axis dysfunctions are frequently found. Impairing effects of stress or cortisol administration on memory retrieval as well as impairing stress effects on cognitive inhibition are well documented in healthy participants. In MDD patients, no effect of acute cortisol administration on memory retrieval was found...
April 29, 2017: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/28497530/short-term-memory-in-childhood-dyslexia-deficient-serial-order-in-multiple-modalities
#18
Nelson Cowan, Tiffany P Hogan, Mary Alt, Samuel Green, Kathryn L Cabbage, Shara Brinkley, Shelley Gray
In children with dyslexia, deficits in working memory have not been well-specified. We assessed second-grade children with dyslexia, with and without concomitant specific language impairment, and children with typical development. Immediate serial recall of lists of phonological (non-word), lexical (digit), spatial (location) and visual (shape) items were included. For the latter three modalities, we used not only standard span but also running span tasks, in which the list length was unpredictable to limit mnemonic strategies...
May 12, 2017: Dyslexia: the Journal of the British Dyslexia Association
https://www.readbyqxmd.com/read/28482311/tryptophan-breakdown-and-cognition-in-bipolar-disorder
#19
Martina Platzer, Nina Dalkner, Frederike T Fellendorf, Armin Birner, Susanne A Bengesser, Robert Queissner, Nora Kainzbauer, René Pilz, Simone Herzog-Eberhard, Carlo Hamm, Christa Hörmanseder, Alexander Maget, Philipp Rauch, Harald Mangge, Dietmar Fuchs, Sieglinde Zelzer, Gregor Schütze, Natalie Moll, Markus J Schwarz, Rodrigo B Mansur, Roger S McIntyre, Eva Z Reininghaus
INTRODUCTION: It has been demonstrated that bipolar disorder (BD) is often accompanied by cognitive deficits across all subdomains including verbal memory, attention and executive functioning. Cognitive deficits are observed both during episodes of mania or depression, as well as during the euthymic phase. It has been proposed that chronic immune-mediated inflammation in the central nervous system results in alterations in neural structures that subserve cognitive function. Kynurenine is an intermediate in the inflammatory cascade and can be peripherally measured to proxy inflammatory activity...
April 27, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28476207/real-time-functional-magnetic-resonance-imaging-amygdala-neurofeedback-changes-positive-information-processing-in-major-depressive-disorder
#20
Kymberly D Young, Masaya Misaki, Catherine J Harmer, Teresa Victor, Vadim Zotev, Raquel Phillips, Greg J Siegle, Wayne C Drevets, Jerzy Bodurka
BACKGROUND: In participants with major depressive disorder who are trained to upregulate their amygdalar hemodynamic responses during positive autobiographical memory recall with real-time functional magnetic resonance imaging neurofeedback (rtfMRI-nf) training, depressive symptoms diminish. This study tested whether amygdalar rtfMRI-nf also changes emotional processing of positive and negative stimuli in a variety of behavioral and imaging tasks. METHODS: Patients with major depressive disorder completed two rtfMRI-nf sessions (18 received amygdalar rtfMRI-nf, 16 received control parietal rtfMRI-nf)...
March 28, 2017: Biological Psychiatry
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