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Fluency and executive function

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https://www.readbyqxmd.com/read/28645192/frequent-sexual-activity-predicts-specific-cognitive-abilities-in-older-adults
#1
Hayley Wright, Rebecca A Jenks, Nele Demeyere
Objectives: This study replicates and extends the findings of previous research (Wright, H., & Jenks, R. A. (2016). Sex on the brain! Associations between sexual activity and cognitive function in older age. Age and Ageing, 45, 313-317. doi:10.1093/ageing/afv197) which found a significant association between sexual activity (SA) and cognitive function in older adults. Specifically, this study aimed to generalize these findings to a range of cognitive domains, and to assess whether increasing SA frequency is associated with increasing scores on a variety of cognitive tasks...
June 21, 2017: Journals of Gerontology. Series B, Psychological Sciences and Social Sciences
https://www.readbyqxmd.com/read/28630377/effects-of-cognitive-reserve-depend-on-executive-and-semantic-demands-of-the-task
#2
R Ryan Darby, Michael Brickhouse, David A Wolk, Bradford C Dickerson
BACKGROUND: Cognitive reserve (CR) is one factor that helps to maintain cognitive function in patients with Alzheimer's disease (AD). Whether the effects of CR depend on the semantic/executive components of the task remains unknown. METHODS: 470 patients (138 with AD, 332 with mild cognitive impairment (MCI)) were selected from the Alzheimer's Disease Neuroimaging Initiative database. Linear regression models were used to determine the effects of CR (years of education) on cognitive performance after controlling for demographic factors and regional cortical atrophy...
June 19, 2017: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/28624827/qualitative-assessment-of-verbal-fluency-performance-in-frontotemporal-dementia
#3
Esther van den Berg, Lize C Jiskoot, Mariëlle J H Grosveld, John C van Swieten, Janne M Papma
BACKGROUND/AIMS: Verbal fluency is impaired in patients with frontotemporal dementia (FTD) and primary progressive aphasia (PPA). This study explored qualitative differences in verbal fluency (clustering of words, switching between strategies) between FTD and PPA variants. METHODS: Twenty-nine patients with behavioral variant FTD (bvFTD) and 50 with PPA (13 nonfluent/agrammatic, 14 semantic, and 23 logopenic) performed a semantic and letter fluency task. Clustering (number of multiword strings) and switching (number of transitions between clustered and nonclustered words) were recorded by two independent raters...
June 17, 2017: Dementia and Geriatric Cognitive Disorders
https://www.readbyqxmd.com/read/28622557/the-executive-profile-of-children-with-benign-epilepsy-of-childhood-with-centrotemporal-spikes-and-temporal-lobe-epilepsy
#4
Ellen M Lima, Patricia Rzezak, Catarina A Guimarães, Maria A Montenegro, Marilisa M Guerreiro, Kette D Valente
RATIONALE: Benign Epilepsy of Childhood with Centrotemporal Spikes (BECTS) and temporal lobe epilepsy (TLE) represent two distinct models of focal epilepsy of childhood. In both, there is evidence of executive dysfunction. The purpose of the present study was to identify particular deficits in the executive function that would distinguish children with BECTS from children with TLE. METHODS: We prospectively evaluated 19 consecutive children and adolescents with TLE with hippocampal sclerosis (HS) (57...
June 13, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28613138/a-neuropsychological-study-of-older-adult-first-time-sex-offenders
#5
Marcelo Rodriguez, Philip Boyce, John Hodges
BACKGROUND/AIMS: The issue of whether sex offenders have cognitive deficits remains controversial. The objective of this study was to compare the neuropsychological function of older adult first time sex-offenders (FTSO), who had not previously been charged with a sexual offence prior to the age of 50, to historical long-term sex offenders (HSO) and non-sex offenders (NSO). The hypotheses were (a) that FTSO would demonstrate greater deficits in executive function, decision-making, and memory compared to non-sex offenders; and (b) the HSOs would present similar neuropsychological deficits to non-sex offenders...
June 14, 2017: Neurocase
https://www.readbyqxmd.com/read/28610451/cognitive-function-is-largely-intact-in-methadone-maintenance-treatment-patients
#6
Odelia Elkana, Miriam Adelson, Glen M Doniger, Anat Sason, Einat Peles
OBJECTIVES: To confirm our previous findings of less cognitive impairments (based on cognitive screening tools) among Methadone Maintenance Treatment (MMT) patients who achieved take-home dose (THD) privileges. METHODS: a random sample of 65 Israeli MMT patients were studied using computerized, age and education standardized, cognitive domains (attention, executive function, memory, motor skills), and non-computerized phonetic and semantic verbal fluency. Cognitive scores were within ±1 standard deviation (SD) of average for most domains, including non-verbal IQ, attention and motor skills...
June 14, 2017: World Journal of Biological Psychiatry
https://www.readbyqxmd.com/read/28601572/corpus-callosum-atrophy-as-a-marker-of-clinically-meaningful-cognitive-decline-in-secondary-progressive-multiple-sclerosis-impact-on-employment-status
#7
Athanasios Papathanasiou, Lambros Messinis, Petros Zampakis, Panagiotis Papathanasopoulos
Cognitive impairment in Multiple Sclerosis (MS) is more frequent and pronounced in secondary progressive MS (SPMS). Cognitive decline is an important predictor of employment status in patients with MS. Magnetic Resonance Imaging (MRI) markers have been used to associate tissue damage with cognitive dysfunction. The aim of the study was to designate the MRI marker that predicts cognitive decline in SPMS and explore its effect on employment status. 30 SPMS patients and 30 healthy participants underwent neuropsychological assessment using the Trail Making Test (TMT) parts A and B, semantic and phonological verbal fluency task and a computerized cognitive screening battery (Central Nervous System Vital Signs)...
June 7, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28600740/functional-reorganization-during-cognitive-function-tasks-in-patients-with-amyotrophic-lateral-sclerosis
#8
Jürgen Keller, Sarah Böhm, Helena E A Aho-Özhan, Markus Loose, Martin Gorges, Jan Kassubek, Ingo Uttner, Sharon Abrahams, Albert C Ludolph, Dorothée Lulé
Cognitive deficits, especially in the domains of social cognition and executive function including verbal fluency, are common in amyotrophic lateral sclerosis (ALS) patients. There is yet sparse understanding of pathogenesis of the underlying, possibly adaptive, cortical patterns. To address this issue, 65 patients with ALS and 33 age-, gender- and education-matched healthy controls were tested on cognitive and behavioral deficits with the Edinburgh Cognitive and Behavioural ALS Screen (ECAS). Using functional magnetic resonance imaging (fMRI), cortical activity during social cognition and executive function tasks (theory of mind, verbal fluency, alternation) adapted from the ECAS was determined in a 3 Tesla scanner...
June 9, 2017: Brain Imaging and Behavior
https://www.readbyqxmd.com/read/28592136/relationship-of-depression-with-executive-functions-and-visuospatial-memory-in-elderly
#9
Monika Klojčnik, Voyko Kavcic, Karin Bakracevic Vukman
Cognitive deficits are a potential part of the clinical picture of depression, especially when it comes to late-life depression. The present study was carried out to establish whether distinctive cognitive deficiencies can be linked with depression in the late-life period, especially in executive functioning, working memory, and visuospatial memory. Our sample consisted of 71 seniors in the age range between 69 and 85 years. A battery of neurocognitive tests was used, including tests of executive functioning (Trail Making Test [TMT], part B, Stroop color word test, semantic word fluency test, and partially Rey-Osterrieth Complex Figure test [ROCF]), tests of attention and working memory (TMT, part A and digit span), and test of visuospatil ability and memory (ROCF)...
January 1, 2017: International Journal of Aging & Human Development
https://www.readbyqxmd.com/read/28591067/bergamot-polyphenolic-fraction-supplementation-improves-cognitive-functioning-in-schizophrenia-data-from-an-8-week-open-label-pilot-study
#10
Antonio Bruno, Gianluca Pandolfo, Manuela Crucitti, Clemente Cedro, Rocco Antonio Zoccali, Maria Rosaria Anna Muscatello
BACKGROUND: Novel treatment strategies for cognitive dysfunctions may prevent long-term disability in patients with schizophrenia, and polyphenolic compounds might be a promising strategy. Bergamot (Citrus bergamia), a citrus fruit characterized by a high amount of flavonoids and flavonoid glycosides, may represent a potential nutraceutical approach to cognitive dysfunction. The present study was aimed to explore the efficacy of bergamot polyphenolic fraction (BPF) supplementation on cognitive/executive functioning in a sample of patients with schizophrenia receiving second-generation antipsychotics...
August 2017: Journal of Clinical Psychopharmacology
https://www.readbyqxmd.com/read/28584926/theory-of-mind-performance-in-parkinson-s-disease-is-associated-with-motor-and-cognitive-functions-but-not-with-symptom-lateralization
#11
Lisa Nobis, Katharina Schindlbeck, Felicitas Ehlen, Hannes Tiedt, Charlotte Rewitzer, Annelien A Duits, Fabian Klostermann
Next to the typical motor signs, Parkinson's disease (PD) goes along with neuropsychiatric symptoms, amongst others affecting social cognition. Particularly, Theory of Mind (ToM) impairments have mostly been associated with right hemispherical brain dysfunction, so that it might prevail in patients with left dominant PD. Fourty-four PD patients, twenty-four with left and twenty with right dominant motor symptoms, engaged in the Reading the Mind in the Eyes (RME) and the Faux Pas Detection Test (FPD) to assess affective and cognitive ToM...
June 5, 2017: Journal of Neural Transmission
https://www.readbyqxmd.com/read/28582859/blood-pressure-and-hispanic-latino-cognitive-function-hispanic-community-health-study-study-of-latinos-results
#12
Wassim Tarraf, Carlos J Rodríguez, Martha L Daviglus, Melissa Lamar, Neil Schneiderman, Linda Gallo, Gregory A Talavera, Robert C Kaplan, Myriam Fornage, Alan Conceicao, Hector M González
BACKGROUND: Hispanics/Latinos are at increased risk for cardiovascular disease and cognitive decline and dementias. High blood pressure (BP) has been implicated in both stroke and dementias. Associations between BP and cognition among diverse Latinos are still unpublished. OBJECTIVE: We examined associations between cognition and four BP based measures among diverse Hispanics/Latinos. We hypothesized that higher BP, particularly systolic pressure, and increased arterial stiffness (i...
May 30, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28579518/cognitive-impairment-in-agricultural-workers-and-nearby-residents-exposed-to-pesticides-in-the-coquimbo-region-of-chile
#13
Sebastián A Corral, Valeria de Angel, Natalia Salas, Liliana Zúñiga-Venegas, Pablo A Gaspar, Floria Pancetti
Chronic exposure to organophosphate pesticides is a worldwide public health concern associated with several psychiatric disorders and dementia. Most existing studies on the effects of pesticides only evaluate agricultural workers. Therefore, this study sought to establish if individuals indirectly exposed to pesticides, such as residents in agricultural areas, also suffer cognitive impairments. Neuropsychological evaluations were carried out on three groups (n=102): agricultural workers directly exposed to pesticides (n=32), individuals living in agricultural areas indirectly (i...
June 1, 2017: Neurotoxicology and Teratology
https://www.readbyqxmd.com/read/28575565/eeg-neurofeedback-training-and-quality-of-life-of-institutionalized-elderly-women-a-pilot-study
#14
L Van Eijk, S A Zwijsen, D Keeser, J M Oosterman, O Pogarell, H J Engelbregt
This pilot study attempted to study the applicability of neurofeedback for elderly persons living in nursing homes. We hypothesized an improve of cognitive functioning and the independence in daily life (IDL) of elderly people by using low beta (12-15HZ) EEG neurofeedback training (E-NFT). The participants (active E-NFT group, n=10; control group, n=6) were community living elderly women without dementia. Neurofeedback training was adjusted ten times within 9 weeks, with a training duration of 21 minutes by use of a single electrode, which was centrally placed on the skull surface...
2017: Advances in Gerontology, Uspekhi Gerontologii
https://www.readbyqxmd.com/read/28571515/advanced-clinical-interpretation-of-the-delis-kaplan-executive-function-system-multivariate-base-rates-of-low-scores
#15
Justin E Karr, Mauricio A Garcia-Barrera, James A Holdnack, Grant L Iverson
OBJECTIVE: Multivariate base rates allow for the simultaneous statistical interpretation of multiple test scores, quantifying the normal frequency of low scores on a test battery. This study provides multivariate base rates for the Delis-Kaplan Executive Function System (D-KEFS). METHOD: The D-KEFS consists of 9 tests with 16 Total Achievement scores (i.e. primary indicators of executive function ability). Stratified by education and intelligence, multivariate base rates were derived for the full D-KEFS and an abbreviated four-test battery (i...
June 1, 2017: Clinical Neuropsychologist
https://www.readbyqxmd.com/read/28566958/cognitive-outcome-after-surgery-in-patients-with-mesial-temporal-lobe-epilepsy
#16
Günay Gül, Demet Yandim Kuşcu, Mesude Özerden, Melek Kandemir, Fulya Eren, Bekir Tuğcu, Cahit Keskinkiliç, Nalan Kayrak, Dursun Kirbaş
INTRODUCTION: The aim of the present study was to evaluate the neuropsychological outcomes of patients with medically intractable unilateral mesial temporal lobe epilepsy (MTLE) due to hippocampal sclerosis (HS) treated either by anterior temporal lobectomy (ATL) or selective amygdalohippocampectomy (SAH). METHODS: This was a retrospective study where 67 patients who had undergone surgery for MTLE were evaluated. Thirty-two patients underwent ATL and 35 underwent SAH...
March 2017: Noro Psikiyatri Arsivi
https://www.readbyqxmd.com/read/28566003/memory-and-executive-functions-correlates-of-self-awareness-in-traumatic-brain-injury
#17
Nicolle Zimmermann, Daniel C Mograbi, Andressa Hermes-Pereira, Rochele P Fonseca, George P Prigatano
OBJECTIVE: The purpose of this study was to investigate the contribution of executive functions (EF) components and episodic and working memory variables, as well as clinical and demographic factors, to awareness of cognitive ability in traumatic brain injury (TBI). METHODS: Sixty-five TBI patients (mild: n = 26; moderate/severe: n = 39) took part in the study. Independent stepwise regression models were calculated for EF and memory predictors, with awareness being measured by patient/informant discrepancy in the Patient Competency Rating Scale...
July 2017: Cognitive Neuropsychiatry
https://www.readbyqxmd.com/read/28565933/comparing-executive-function-evoked-hemodynamic-response-and-gait-as-predictors-of-variations-in-mobility-for-older-adults
#18
Drew W R Halliday, Sandra R Hundza, Mauricio A Garcia-Barrera, Marc Klimstra, Drew Commandeur, Timothy V Lukyn, Robert S Stawski, Stuart W S MacDonald
OBJECTIVE: Falls represent a major concern for older adults and may serve as clinically salient index events for those presenting in the prodromal stages of mild cognitive impairment. Declines in executive function performance and in gait consistency have shown promise in predicting fall risk; however, associated neurophysiological underpinnings have received less attention. In this study, we used a multimodal approach to assess fall risk in a group of older adults with and without a previous fall history...
May 31, 2017: Journal of Clinical and Experimental Neuropsychology
https://www.readbyqxmd.com/read/28555097/training-on-movement-figure-ground-discrimination-remediates-low-level-visual-timing-deficits-in-the-dorsal-stream-improving-high-level-cognitive-functioning-including-attention-reading-fluency-and-working-memory
#19
Teri Lawton, John Shelley-Tremblay
The purpose of this study was to determine whether neurotraining to discriminate a moving test pattern relative to a stationary background, figure-ground discrimination, improves vision and cognitive functioning in dyslexics, as well as typically-developing normal students. We predict that improving the speed and sensitivity of figure-ground movement discrimination (PATH to Reading neurotraining) acts to remediate visual timing deficits in the dorsal stream, thereby improving processing speed, reading fluency, and the executive control functions of attention and working memory in both dyslexic and normal students who had PATH neurotraining more than in those students who had no neurotraining...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28538108/moderate-to-vigorous-physical-activity-executive-functions-and-prefrontal-brain-oxygenation-in-children-a-functional-near-infrared-spectroscopy-study
#20
Manuel Mücke, Christian Andrä, Markus Gerber, Uwe Pühse, Sebastian Ludyga
Despite accumulating evidence that regular exercise improves executive functioning, the underlying neurophysiological mechanisms have rarely been investigated. The present study aimed to compare cognitive performance as well as task-specific concentration changes in oxygenated haemoglobin in the prefrontal cortex between children with higher and lower moderate-to-vigorous physical activity (MVPA). Physical activity was measured over 7 consecutive days using actigraphy. Afterwards, participants (N = 50) completed verbal fluency tests (VFTs) and mental arithmetic (MA) for the assessment of cognitive flexibility and working memory capacity...
May 24, 2017: Journal of Sports Sciences
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