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Fluency and executive function

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https://www.readbyqxmd.com/read/28431030/using-multivariate-base-rates-to-interpret-low-scores-on-an-abbreviated-battery-of-the-delis-kaplan-executive-function-system
#1
Justin E Karr, Mauricio A Garcia-Barrera, James A Holdnack, Grant L Iverson
Objective: Executive function consists of multiple cognitive processes that operate as an interactive system to produce volitional goal-oriented behavior, governed in large part by frontal microstructural and physiological networks. Identification of deficits in executive function in those with neurological or psychiatric conditions can be difficult because the normal variation in executive function test scores, in healthy adults when multiple tests are used, is largely unknown. This study addresses that gap in the literature by examining the prevalence of low scores on a brief battery of executive function tests...
May 1, 2017: Archives of Clinical Neuropsychology: the Official Journal of the National Academy of Neuropsychologists
https://www.readbyqxmd.com/read/28431029/the-chinese-version-of-the-brief-assessment-of-cognition-in-schizophrenia-data-of-a-large-scale-mandarin-speaking-population
#2
Liang-Jen Wang, Yu-Chi Huang, Chi-Fa Hung, Chih-Ken Chen, Yi-Chih Chen, Pei-Yi Lee, Si-Ming Wang, Ming-Hsiung Liu, Chia-Ju Lin, Su-Ting Hsu
Objective: The Brief Assessment of Cognition in Schizophrenia (BACS) is a cognitive assessment tool used to measure the broad aspects of cognition that are most frequently impaired in patients with schizophrenia. This study aims to develop the normative data of the Chinese version of the BACS among the Mandarin-speaking population. Method: This cross-sectional study included 382 healthy participants (age range: 19-79 years; mean age: 48.0 ± 16.7 years, 47.6% men) in Taiwan, who were evaluated with the BACS...
May 1, 2017: Archives of Clinical Neuropsychology: the Official Journal of the National Academy of Neuropsychologists
https://www.readbyqxmd.com/read/28425730/the-relation-of-anxiety-and-cognition-in-parkinson-s-disease
#3
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/28424070/antidepressant-use-and-cognitive-decline-in-community-dwelling-elderly-people-the-three-city-cohort
#4
Isabelle Carrière, Joanna Norton, Amandine Farré, Marilyn Wyart, Christophe Tzourio, Pernelle Noize, Karine Pérès, Annie Fourrier-Réglat, Karen Ritchie, Marie Laure Ancelin
BACKGROUND: Cognitive impairment is very common in late-life depression, principally affecting executive skills and information processing speed. The aim of the study was to examine the effect of antidepressant treatment on cognitive performances over a 10-year period. METHODS: The community-based cohort included 7381 participants aged 65 years and above. Five cognitive domains (verbal fluency, psychomotor speed, executive function, visuospatial skills and global cognition) were assessed up to five times over 10 years of follow-up...
April 19, 2017: BMC Medicine
https://www.readbyqxmd.com/read/28414249/psychological-distress-is-associated-with-altered-cognitive-functioning-in-family-caregivers-of-patients-with-disorders-of-consciousness
#5
P Moretta, O Masotta, E Crispino, G Castronovo, S Ruvolo, C Montalbano, V Loreto, L Trojano, A Estraneo
OBJECTIVES: To analyse the possible presence of reduced cognitive efficiency in family caregivers of patients with prolonged disorders of consciousness (DOC). SUBJECTS: The participants were 27 caregivers of 25 patients with DOC admitted to the severe brain injury units of the ICS Maugeri, Institutes of Telese Terme and Sciacca, Italy. METHODS: We examined cognitive functions such as short- and long-term memory, executive functions and attention by means of standardized tests...
April 17, 2017: Brain Injury: [BI]
https://www.readbyqxmd.com/read/28409050/correlation-of-mri-visual-scales-with-neuropsychological-profile-in-mild-cognitive-impairment-of-parkinson-s-disease
#6
Luiz Felipe Vasconcellos, João Santos Pereira, Marcelo Adachi, Denise Greca, Manuela Cruz, Ana Lara Malak, Helenice Charchat-Fichman, Mariana Spitz
Few studies have evaluated magnetic resonance imaging (MRI) visual scales in Parkinson's disease-Mild Cognitive Impairment (PD-MCI). We selected 79 PD patients and 92 controls (CO) to perform neurologic and neuropsychological evaluation. Brain MRI was performed to evaluate the following scales: Global Cortical Atrophy (GCA), Fazekas, and medial temporal atrophy (MTA). The analysis revealed that both PD groups (amnestic and nonamnestic) showed worse performance on several tests when compared to CO. Memory, executive function, and attention impairment were more severe in amnestic PD-MCI group...
2017: Parkinson's Disease
https://www.readbyqxmd.com/read/28408788/apathy-and-reduced-speed-of-processing-underlie-decline-in-verbal-fluency-following-dbs
#7
Jennifer A Foley, Tom Foltynie, Ludvic Zrinzo, Jonathan A Hyam, Patricia Limousin, Lisa Cipolotti
Objective. Reduced verbal fluency is a strikingly uniform finding following deep brain stimulation (DBS) for Parkinson's disease (PD). The precise cognitive mechanism underlying this reduction remains unclear, but theories have suggested reduced motivation, linguistic skill, and/or executive function. It is of note, however, that previous reports have failed to consider the potential role of any changes in speed of processing. Thus, the aim of this study was to examine verbal fluency changes with a particular focus on the role of cognitive speed...
2017: Behavioural Neurology
https://www.readbyqxmd.com/read/28401595/assessing-a-cognitive-music-training-for-older-participants-a-randomised-controlled-trial
#8
Michele Biasutti, Anthony Mangiacotti
OBJECTIVES: In a randomised controlled trial, we investigated whether a cognitive training based on rhythm-music and music improvisation exercises had positive effects on executive functions in older participants. METHODS: Thirty-five residents in a guest home with mild-moderate cognitive impairment and healthy ageing were randomly assigned to an experimental group (n = 18) featuring cognitive music training composed of 12 bi-weekly 70-min sessions, and a control group (n = 17) attended 12 bi-weekly 45-min sessions of gymnastic activities offered by the institute...
April 12, 2017: International Journal of Geriatric Psychiatry
https://www.readbyqxmd.com/read/28398458/the-relationship-between-depression-and-executive-function-and-the-impact-of-vascular-disease-burden-in-younger-and-older-adults
#9
Astrid Lugtenburg, Richard C Oude Voshaar, Willeke Van Zelst, Robert A Schoevers, Stefanie Enriquez-Geppert, Marij Zuidersma
Background: depression is associated with worse executive function, but underlying mechanisms might differ by age. Aims: to investigate whether vascular disease burden affects the association between depression and executive dysfunction differentially by age. Method: among 83,613 participants of Lifelines (population-based cohort study), linear regression analyses were applied to examine the association between executive function (Ruff Figural Fluency test, dependent variable) and depression according to DSM-IV criteria (Mini International Neuropsychiatric Interview, independent variable)...
April 7, 2017: Age and Ageing
https://www.readbyqxmd.com/read/28392625/neuropsychological-assessments-of-cognitive-aging-in-monolingual-and-bilingual-older-adults
#10
John A E Anderson, Somayya Saleemi, Ellen Bialystok
Standardized neuropsychological tests are routinely used as diagnostic criteria in aging populations and are an important piece of evidence for the identification of clinical pathology and neurodegenerative conditions such as Alzheimer's disease. Tests include such measures as the Mini Mental Status Exam, Delis-Kaplan Executive Function System, Montreal Cognitive Assessment, and others. These tests cover a range of functions including working memory, verbal fluency, prospective memory, and task switching. Interpretation of test results is based on comparison of the participant's score to standard scores that have been normed on a population database...
August 2017: Journal of Neurolinguistics
https://www.readbyqxmd.com/read/28392208/minimal-effects-of-prolonged-smoking-abstinence-or-resumption-on-cognitive-performance-challenge-the-self-medication-hypothesis-in-schizophrenia
#11
Douglas L Boggs, Toral S Surti, Irina Esterlis, Brian Pittman, Kelly Cosgrove, R Andrew Sewell, Mohini Ranganathan, Deepak Cyril D'Souza
One prominent, long-standing view is that individuals with schizophrenia smoke cigarettes more than the general population to "self-medicate" cognitive deficits and other symptoms. This study tested the self-medication hypothesis by examining the effects of smoking abstinence and resumption on cognition in patients with schizophrenia. Nicotine-dependent smokers with schizophrenia (n=26) were trained on a cognitive battery and then hospitalized to achieve and maintain confirmed abstinence from smoking for ~1 week...
April 6, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28383650/schizotypy-independent-and-schizotypy-modulated-cognitive-impairments-in-unaffected-first-degree-relatives-of-schizophrenia-spectrum-patients
#12
Chrysoula Zouraraki, Penny Karamaouna, Leda Karagiannopoulou, Stella G Giakoumaki
Objective: The aim of the study was to compare the neurocognitive profile of unaffected first-degree relatives of schizophrenia patients with control individuals, controlling for different schizotypal traits. Method: One hundred and fifteen adult unaffected first-degree relatives of schizophrenia-spectrum patients and 122 controls were tested for schizotypy with the Schizotypal Personality Questionnaire. They also underwent a thorough neurocognitive assessment with a range of tasks covering several aspects of executive functioning...
April 5, 2017: Archives of Clinical Neuropsychology: the Official Journal of the National Academy of Neuropsychologists
https://www.readbyqxmd.com/read/28363347/increased-serum-levels-of-cysteine-in-patients-with-schizophrenia-a-potential-marker-of-cognitive-function-preservation
#13
Liang-Jen Wang, Pao-Yen Lin, Yu Lee, Yu-Chi Huang, Chih-Ching Wu, Su-Ting Hsu, Chien-Chih Chen, Mian-Yoon Chong, Chieh-Hsin Lin, Chi-Fa Hung
BACKGROUND: Oxidative stress has been implicated in the psychopathology of schizophrenia. Cysteine, a semi-essential amino acid, is the precursor of the antioxidant glutathione. The aim of this study was to investigate the differences in serum levels of cysteine between patients with schizophrenia and healthy controls. The relationships between levels of cysteine, psychopathology and cognitive function were also explored. METHODS: We recruited 65 patients with schizophrenia and 65 age- and gender-matched healthy controls...
March 28, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28334687/neurocognitive-status-in-patients-with-newly-diagnosed-brain-tumors-in-good-neurological-condition-the-impact-of-tumor-type-volume-and-location
#14
Philipp Hendrix, Elisa Hans, Christoph J Griessenauer, Andreas Simgen, Joachim Oertel, Julia Karbach
OBJECTIVE: Neurocognitive function is of great importance in patients with brain tumors. Even patients in good neurological condition may suffer from neurocognitive dysfunction that affects their daily living. The purpose of the present study was to identify risk factors for neurocognitive dysfunction in patients suffering from common supratentorial brain tumors with minor neurological deficits. METHODS: A prospective study evaluating neurocognitive dysfunction in patients with a newly-diagnosed brain tumor in good neurological condition was performed at a major German academic institution...
March 18, 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/28332040/edinburgh-cognitive-and-behavioural-als-screen-ecas-italian-version-regression-based-norms-and-equivalent-scores
#15
Mattia Siciliano, Luigi Trojano, Francesca Trojsi, Roberta Greco, Manuela Santoro, Giuseppe Basile, Fausta Piscopo, Alfonsina D'Iorio, Manila Patrone, Cinzia Femiano, Mariarosaria Monsurrò, Gioacchino Tedeschi, Gabriella Santangelo
Cognitive assessment for individuals with Amyotrophic Lateral Sclerosis (ALS) can be difficult because of frequent occurrence of difficulties with speech, writing, and drawing. The Edinburgh Cognitive and Behavioural ALS Screen (ECAS) is a recent multi-domain neuropsychological screening tool specifically devised for this purpose, and it assesses the following domains: executive functions, social cognition, verbal fluency and language (ALS-specific), but also memory and visuospatial abilities (Non-ALS specific)...
March 22, 2017: Neurological Sciences
https://www.readbyqxmd.com/read/28323092/the-effect-of-deep-brain-stimulation-of-the-subthalamic-nucleus-on-executive-functions-impaired-verbal-fluency-and-intact-updating-planning-and-conflict-resolution-in-parkinson-s-disease
#16
Gyula Demeter, István Valálik, Péter Pajkossy, Ágnes Szőllősi, Ágnes Lukács, Ferenc Kemény, Mihály Racsmány
Although the improvement of motor symptoms in Parkinson's disease (PD) after deep brain stimulation (DBS) of the subthalamic nucleus (STN) is well documented, there are open questions regarding its impact on cognitive functions. The aim of this study was to assess the effect of bilateral DBS of the STN on executive functions in PD patients using a DBS wait-listed PD control group. Ten PD patients with DBS implantation (DBS group) and ten PD wait-listed patients (Clinical control group) participated in the study...
March 18, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28304305/combined-dual-task-gait-training-and%C3%A2-aerobic-exercise-to-improve-cognition-%C3%A2-mobility-and%C3%A2-vascular-health-in%C3%A2-community-dwelling-older-adults-at%C3%A2-risk-for-future-cognitive-decline1
#17
Michael A Gregory, Narlon C Boa Sorte Silva, Dawn P Gill, Cheri L McGowan, Teresa Liu-Ambrose, J Kevin Shoemaker, Vladimir Hachinski, Jeff Holmes, Robert J Petrella
This 6-month experimental case series study investigated the effects of a dual-task gait training and aerobic exercise intervention on cognition, mobility, and cardiovascular health in community-dwelling older adults without dementia. Participants exercised 40 min/day, 3 days/week for 26 weeks on a Biodex GaitTrainer2 treadmill. Participants were assessed at baseline (V0), interim (V1: 12-weeks), intervention endpoint (V2: 26-weeks), and study endpoint (V3: 52-weeks). The study outcomes included: cognition [executive function (EF), processing speed, verbal fluency, and memory]; mobility: usual & dual-task gait (speed, step length, and stride time variability); and vascular health: ambulatory blood pressure, carotid arterial compliance, and intima-media thickness (cIMT)...
March 10, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28300627/serum-uric-acid-is-associated-with-better-executive-function-in-men-but-not-in-women-baseline-assessment-of-the-elsa-brasil-study
#18
Cristina Pellegrino Baena, Claudia Kimie Suemoto, Sandhi Maria Barreto, Paulo Andrade Lotufo, Isabela Benseñor
BACKGROUND: Serum uric acid (SUA) may protect against free radical stress damage and was previously linked to cognitive impairment in older adults, but evidence in middle-aged adults is scarce. PURPOSE: We sought to analyze whether SUA is associated with cognitive performance in apparently healthy middle-aged participants in the ELSA-Brasil cohort study. METHODS: We excluded participants older than age 65, those taking allopurinol, benzbromarone, or medications that could impair cognitive performance, those with previous stroke, and those with incomplete data on cognitive tests or SUA...
June 2017: Experimental Gerontology
https://www.readbyqxmd.com/read/28294477/identifying-neurocognitive-markers-for-outcome-prediction-of-global-functioning-in-ultra-high-risk-for-psychosis-and-first-episode-psychosis
#19
Kingo Sawada, Akiko Kanehara, Satoshi Eguchi, Mariko Tada, Yoshihiro Satomura, Motomu Suga, Shinsuke Koike, Kiyoto Kasai
AIM: There is an increasing need for identifying neurocognitive predictors of global functional outcome in early psychosis toward optimizing early intervention strategy. METHODS: We conducted a longitudinal observational study to investigate an association between neurocognitive assessments at baseline and global functional outcome at an average of one-year follow-up. Participants included ultra-high-risk for psychosis (UHR) individuals who had not converted to psychosis during the follow-up period (UHR-NP), and those with first-episode psychosis (FEP) individuals...
March 14, 2017: Psychiatry and Clinical Neurosciences
https://www.readbyqxmd.com/read/28288547/neuropsychological-correlates-of-schizotypy-a-systematic-review-and-meta-analysis-of-cross-sectional-studies
#20
Sara Siddi, Donatella Rita Petretto, Antonio Preti
INTRODUCTION: Cognitive deficits can precede the onset of psychotic episodes and predict the onset of the illness in individuals with schizotypy traits. In some studies, high levels of schizotypy were associated with impairments in memory, attention, executive functions, and verbal fluency. This review provides a more comprehensive understanding of cognitive impairments related to schizoytpy. METHODS:  A systematic review of "schizotypy and neuropsychological measures" was conducted, and it retrieved 67 studies...
March 13, 2017: Cognitive Neuropsychiatry
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