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Neuropsychology

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https://www.readbyqxmd.com/read/28627905/mind-wandering-in-healthy-aging-and-early-stage-alzheimer-s-disease
#1
Mate Gyurkovics, David A Balota, Jonathan D Jackson
OBJECTIVE: The frequency of mind-wandering (MW) decreases as a function of age in healthy individuals. One possible explanation is that MW is a resource-dependent process, and cognitive resources decline with age. The present study provides the first investigation of MW in the earliest stages of Alzheimer's disease (AD) to further examine the resource model and discontinuities between healthy aging and AD. METHOD: Three large cohorts completed the Sustained Attention to Response Task (SART): a healthy middle-aged group (mean age = 61...
June 19, 2017: Neuropsychology
https://www.readbyqxmd.com/read/28604016/triglycerides-are-negatively-correlated-with-cognitive-function-in-nondemented-aging-adults
#2
Vishnu Parthasarathy, Darvis T Frazier, Brianne M Bettcher, Laura Jastrzab, Linda Chao, Bruce Reed, Dan Mungas, Michael Weiner, Charles DeCarli, Helena Chui, Joel H Kramer
OBJECTIVE: Vascular risk factors like hyperlipidemia may adversely affect brain function. We hypothesized that increased serum triglycerides are associated with decreased executive function and memory in nondemented elderly subjects. We also researched possible vascular mediators and white matter microstructure as assessed with diffusion tensor imaging (DTI). DESIGN/METHOD: Participants were 251 nondemented elderly adults (54% male) with a mean age of 78 (SD = 6...
June 12, 2017: Neuropsychology
https://www.readbyqxmd.com/read/28581310/patients-with-parkinson-s-disease-display-a-dopamine-therapy-related-negative-bias-and-an-enlarged-range-in-emotional-responses-to-facial-emotional-stimuli
#3
Daniel Lundqvist, Joakim Svärd, Åsa Michelgård Palmquist, Håkan Fischer, Per Svenningsson
OBJECTIVE: The literature on emotional processing in Parkinson's disease (PD) patients shows mixed results. This may be because of various methodological and/or patient-related differences, such as failing to adjust for cognitive functioning, depression, and/or mood. METHOD: In the current study, we tested PD patients and healthy controls (HCs) using emotional stimuli across a variety of tasks, including visual search, short-term memory (STM), categorical perception, and emotional stimulus rating...
June 5, 2017: Neuropsychology
https://www.readbyqxmd.com/read/28541084/the-feasibility-of-automated-eye-tracking-with-the-early-childhood-vigilance-test-of-attention-in-younger-hiv-exposed-ugandan-children
#4
Michael J Boivin, Jonathan Weiss, Ronak Chhaya, Victoria Seffren, Jorem Awadu, Alla Sikorskii, Bruno Giordani
OBJECTIVE: Tobii eye tracking was compared with webcam-based observer scoring on an animation viewing measure of attention (Early Childhood Vigilance Test; ECVT) to evaluate the feasibility of automating measurement and scoring. Outcomes from both scoring approaches were compared with the Mullen Scales of Early Learning (MSEL), Color-Object Association Test (COAT), and Behavior Rating Inventory of Executive Function for preschool children (BRIEF-P). METHOD: A total of 44 children 44 to 65 months of age were evaluated with the ECVT, COAT, MSEL, and BRIEF-P...
May 25, 2017: Neuropsychology
https://www.readbyqxmd.com/read/28541083/the-family-environment-predicts-long-term-academic-achievement-and-classroom-behavior-following-traumatic-brain-injury-in-early-childhood
#5
Chelsea M Durber, Keith Owen Yeates, H Gerry Taylor, Nicolay Chertkoff Walz, Terry Stancin, Shari L Wade
OBJECTIVE: This study examined how the family environment predicts long-term academic and behavioral functioning in school following traumatic brain injury (TBI) in early childhood. METHOD: Using a concurrent cohort, prospective design, 15 children with severe TBI, 39 with moderate TBI, and 70 with orthopedic injury (OI) who were injured when they were 3-7 years of age were compared on tests of academic achievement and parent and teacher ratings of school performance and behavior on average 6...
May 25, 2017: Neuropsychology
https://www.readbyqxmd.com/read/28541082/correction-to-christodoulou-et-al-2016
#6
(no author information available yet)
Reports an error in "Relation of White-Matter Microstructure to Reading Ability and Disability in Beginning Readers" by Joanna A. Christodoulou, Jack Murtagh, Abigail Cyr, Tyler K. Perrachione, Patricia Chang, Kelly Halverson, Pamela Hook, Anastasia Yendiki, Satrajit Ghosh and John D. E. Gabrieli (Neuropsychology, Advanced Online Publication, Mar 7, 2016, np). In the original article, errors in the dataset owing to two incorrect scores have skewed results. Corrections to the Results section, Table 1, and Figure three are provided...
May 25, 2017: Neuropsychology
https://www.readbyqxmd.com/read/28471211/arithmetical-calculation-and-related-neuropsychological-skills-in-subjects-with-isolated-oral-clefts
#7
Jon W Goodwin, Amy L Conrad, Timothy Ansley, Peg Nopoulos
OBJECTIVE: The current study examined whether the arithmetical calculation skills of children, adolescents, and young adults with isolated cleft of the lip and/or palate (iCL/P) differ significantly from unaffected control participants. Comparisons of potential neuropsychological predictors of arithmetical calculation were also conducted to determine whether these variables differ significantly for participants with iCL/P. METHOD: Participants (N = 176; 93 iCL/P and 83 Control) ranged in age from 7 to 26 years old...
May 4, 2017: Neuropsychology
https://www.readbyqxmd.com/read/28459255/the-nature-of-the-relationship-between-neurocognition-and-theory-of-mind-impairments-in-stroke-patients
#8
Agnieszka Pluta, Natalia Gawron, Marta Sobańska, Adrian Dominik Wójcik, Emilia Łojek
OBJECTIVE: Theory of mind (ToM) is a complex, high-level cognitive function that allows people to infer the cognitive and affective mental states of others. Previous studies have produced limited and frequently contradictory findings on the neuropsychological underpinnings of ToM performance in patients with stroke. The aim of the present study is to investigate neuropsychological mechanisms of cognitive and affective theory of mind dysfunctions in patients with stroke. METHOD: Fifty-eight patients with stroke and 22 healthy controls matched in age, gender, and education level underwent robust neuropsychological examination of their pragmatic abilities, executive functions, attention, memory, psychomotor speed, and visuospatial abilities as well as a cognitive and affective ToM assessment...
May 1, 2017: Neuropsychology
https://www.readbyqxmd.com/read/28425730/the-relation-of-anxiety-and-cognition-in-parkinson-s-disease
#9
Gretchen O Reynolds, Kristine K Hanna, Sandy Neargarder, Alice Cronin-Golomb
OBJECTIVE: Parkinson's disease (PD) has long been conceptualized as a motor disorder, but nonmotor symptoms also manifest in the disease and significantly reduce quality of life. Anxiety and cognitive dysfunction are prevalent nonmotor symptoms, even in early disease stages, but the relation between these symptoms remains poorly understood. We examined self-reported anxiety and neurocognitive function, indexed by measures of executive function (set-shifting and phonemic fluency), categorical fluency, and attention/working memory...
April 20, 2017: Neuropsychology
https://www.readbyqxmd.com/read/28414497/dual-tasking-in-parkinson-s-disease-cognitive-consequences-while-walking
#10
Robert D Salazar, Xiaolin Ren, Terry D Ellis, Noor Toraif, Olivier J Barthelemy, Sandy Neargarder, Alice Cronin-Golomb
OBJECTIVE: Cognitive deficits are common in Parkinson's disease (PD) and exacerbate the functional limitations imposed by PD's hallmark motor symptoms, including impairments in walking. Though much research has addressed the effect of dual cognitive-locomotor tasks on walking, less is known about their effect on cognition. The purpose of this study was to investigate the relation between gait and executive function, with the hypothesis that dual tasking would exacerbate cognitive vulnerabilities in PD as well as being associated with gait disturbances...
April 17, 2017: Neuropsychology
https://www.readbyqxmd.com/read/28406666/time-course-of-motor-gains-induced-by-music-supported-therapy-after-stroke-an-exploratory-case-study
#11
Jennifer Grau-Sánchez, Neus Ramos, Esther Duarte, Teppo Särkämö, Antoni Rodríguez-Fornells
OBJECTIVE: Previous studies have shown that Music-Supported Therapy (MST) can improve the motor function and promote functional neuroplastic changes in motor areas; however, the time course of motor gains across MST sessions and treatment periods remain unknown. The aim of this study was to explore the progression of the rehabilitation of motor deficits in a chronic stroke patient for a period of 7 months. METHOD: A reversal design (ABAB) was implemented in a chronic stroke patient where no treatment was provided in the A periods and MST was applied in the B periods...
April 13, 2017: Neuropsychology
https://www.readbyqxmd.com/read/28406665/counting-ability-in-down-syndrome-the-comprehension-of-the-one-to-one-correspondence-principle-and-the-role-of-receptive-vocabulary
#12
Roberto A Abreu-Mendoza, Natalia Arias-Trejo
OBJECTIVE: The authors investigated whether children with Down's syndrome (DS) who have not started to produce number words understand the one-to-one correspondence principle (Experiment 1), and they looked at the relationship between number word knowledge and receptive vocabulary (Experiment 2). METHOD: Sixteen children with DS who did not recite the count list participated in Experiment 1, along with 2 comparison groups: 1 of 16 children with DS who recited up to 10, paired by chronological age, and another of 16 typically developing children paired by their ability to recite the list...
April 13, 2017: Neuropsychology
https://www.readbyqxmd.com/read/28406664/spontaneous-retrieval-deficits-in-amnestic-mild-cognitive-impairment-a-case-of-focal-event-based-prospective-memory
#13
Agnieszka Niedźwieńska, Lia Kvavilashvili, Kunle Ashaye, Jacek Neckar
OBJECTIVE: Research on early cognitive markers of Alzheimer's disease is primarily focused on retrospective recall (of word lists, pairs of items, stories) and executive functions. However, research shows that people with amnestic mild cognitive impairment (aMCI), who are at a higher risk of developing the disease than healthy controls, are particularly impaired in remembering to do things in the future or prospective memory (PM). The aim of this study was to establish which type of event-based PM is particularly disrupted in aMCI, focal PM, based on spontaneous retrieval, or nonfocal PM that relies on strategic monitoring processes...
April 13, 2017: Neuropsychology
https://www.readbyqxmd.com/read/28406663/neuropsychological-correlates-of-theory-of-mind-deficits-in-patients-with-multiple-sclerosis
#14
Simona Raimo, Luigi Trojano, Simona Pappacena, Raffaella Alaia, Daniele Spitaleri, Dario Grossi, Gabriella Santangelo
BACKGROUND: Theory of mind (ToM) is the ability to understand and interpret another person's beliefs, intentions (cognitive ToM) and emotions (affective ToM). OBJECTIVE: To explore affective and cognitive ToM and their neuropsychological correlates in patients affected by multiple sclerosis (MS). MATERIAL AND METHOD: Forty MS patients and 40 matched control individuals underwent tasks assessing cognitive (the ToM Pictures Sequencing Task and the Advanced Test of ToM) and affective ToM (the Reading the Mind in the Eyes Task and the Emotion Attribution Task), in both verbal and nonverbal modality, a comprehensive neuropsychological battery, and questionnaires for behavioral disorders...
April 13, 2017: Neuropsychology
https://www.readbyqxmd.com/read/28394147/a-lower-ratio-of-omega-6-to-omega-3-fatty-acids-predicts-better-hippocampus-dependent-spatial-memory-and-cognitive-status-in-older-adults
#15
Nadia D Andruchow, Kyoko Konishi, Bryna Shatenstein, Véronique D Bohbot
OBJECTIVE: Evidence from several cross-sectional studies indicates that an increase in omega-6 to omega-3 fatty acids (FAs) may negatively affect cognition in old age. The hippocampus is among the first neural structures affected by age and atrophy in this brain region is associated with cognitive decline. Therefore, we hypothesized that a lower omega-6:3 FA ratio would predict better hippocampus-dependent spatial memory, and a higher general cognitive status. METHOD: Fifty-two healthy older adults completed a Food Frequency Questionnaire, the Montreal Cognitive Assessment test (MoCA; a test of global cognition) and virtual navigation tasks that assess navigational strategies and spatial memory...
April 10, 2017: Neuropsychology
https://www.readbyqxmd.com/read/28383972/sustained-attention-in-the-face-of-distractors-a-study-of-children-with-rett-syndrome
#16
Susan A Rose, Sam Wass, Jeffery J Jankowski, Judith F Feldman, Aleksandra Djukic
OBJECTIVE: The object of the present study is to advance our understanding of the cognitive profile of Rett syndrome (RTT), an X-linked neurodevelopmental disorder caused by mutations in the MECP2 gene. We focus on sustained attention, which plays a critical role in driving cognitive growth, and use an innovative, gaze-based task that minimizes demands on the limited verbal and motor abilities associated with RTT. METHOD: The task required the ability to sustain attention on a visual target (a butterfly) while inhibiting a prepotent response to look to moving distractors (trees and clouds) presented in the peripheral visual field...
April 6, 2017: Neuropsychology
https://www.readbyqxmd.com/read/28383971/an-evaluation-of-language-in-brain-tumor-patients-using-a-new-cognitively-motivated-testing-protocol
#17
Josh W Faulkner, Carolyn E Wilshire, Andrew J Parker, Kay Cunningham
OBJECTIVE: To characterize the language impairments that occur in brain tumor patients using a cognitively oriented theoretical framework. METHOD: Forty-nine preoperative brain tumor patients completed a new testing protocol (the BLAST) which assesses 8 well documented, "core" cognitive skills required for language: auditory word recognition, accessing semantic knowledge, lexical selection, phonological encoding, verbal short-term memory, goal-driven language selection, verb retrieval, and articulatory-motor planning...
April 6, 2017: Neuropsychology
https://www.readbyqxmd.com/read/28383970/visual-short-term-memory-related-brain-activity-predicts-mathematical-abilities
#18
Aubrée Boulet-Craig, Philippe Robaey, Karine Lacourse, Karim Jerbi, Victor Oswald, Maja Krajinovic, Caroline Laverdière, Daniel Sinnett, Pierre Jolicoeur, Sarah Lippé
OBJECTIVE: Previous research suggests visual short-term memory (VSTM) capacity and mathematical abilities are significantly related. Moreover, both processes activate similar brain regions within the parietal cortex, in particular, the intraparietal sulcus; however, it is still unclear whether the neuronal underpinnings of VSTM directly correlate with mathematical operation and reasoning abilities. The main objective was to investigate the association between parieto-occipital brain activity during the retention period of a VSTM task and performance in mathematics...
April 6, 2017: Neuropsychology
https://www.readbyqxmd.com/read/28383969/working-memory-mediates-the-effects-of-gestational-age-at-birth-on-expressive-language-development-in-children
#19
Valentina Riva, Chiara Cantiani, Ginette Dionne, Andrea Marini, Sara Mascheretti, Massimo Molteni, Cecilia Marino
OBJECTIVE: This study tested the role of temporary memory, measured by phonological short-term memory (pSTM) and verbal working memory (vWM), as a mediator of the effect of 3 putative risk factors (i.e., socioeconomic status, home literacy environment, birth gestational age) upon expressive and receptive language. METHOD: A community-based sample of 646 Italian children aged 6-11 years was assessed with a comprehensive battery of language and cognitive tests. A mediation analysis was used to examine whether memory mediates environmental/biological effects on language...
April 6, 2017: Neuropsychology
https://www.readbyqxmd.com/read/28383968/body-schema-and-corporeal-self-recognition-in-the-alien-hand-syndrome
#20
Elena Olgiati, Angelo Maravita, Viviana Spandri, Roberta Casati, Francesco Ferraro, Lucia Tedesco, Elio Clemente Agostoni, Nadia Bolognini
OBJECTIVE: The alien hand syndrome (AHS) is a rare neuropsychological disorder characterized by involuntary, yet purposeful, hand movements. Patients with the AHS typically complain about a loss of agency associated with a feeling of estrangement for actions performed by the affected limb. The present study explores the integrity of the body representation in AHS, focusing on 2 main processes: multisensory integration and visual self-recognition of body parts. Three patients affected by AHS following a right-hemisphere stroke, with clinical symptoms akin to the posterior variant of AHS, were tested and their performance was compared with that of 18 age-matched healthy controls...
April 6, 2017: Neuropsychology
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