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https://www.readbyqxmd.com/read/29028865/clinical-ethics-in-the-context-of-deep-brain-stimulation-for-movement-disorders
#1
Cynthia S Kubu, Paul J Ford
Objective: Discuss common clinical ethical challenges encountered in working with patients who are candidates for deep brain stimulation (DBS) for the treatment of motor symptoms of Parkinson's disease (PD). Method: The relevant literature is reviewed and supplemented by descriptive, ethically challenging cases stemming from decades of combined experience working on DBS teams. We outline ethical arguments and provide pragmatic recommendations to assist neuropsychologists working in movement disorder teams...
September 25, 2017: Archives of Clinical Neuropsychology: the Official Journal of the National Academy of Neuropsychologists
https://www.readbyqxmd.com/read/29028647/change-in-engagement-in-cognitive-activity-and-risk-for-mild-cognitive-impairment-in-a-cohort-of-older-adults-the-monongahela-youghiogheny-healthy-aging-team-myhat-study
#2
Tiffany F Hughes, Zhaowen Sun, Chung-Chou H Chang, Mary Ganguli
Engagement in cognitively stimulating activities is gaining prominence as a potential strategy to maintain cognitive functioning in old age. In a population-based cohort of individuals aged 65+ years, we examined patterns of change in frequency of engagement in total cognitive activity (TCA), higher cognitive activity (HCA), and frequent cognitive activity (FCA) based on the Florida Cognitive Activities Scale over an average of 3.62 years, and whether these patterns were associated with incident mild cognitive impairment (MCI) during this same period...
October 12, 2017: Alzheimer Disease and Associated Disorders
https://www.readbyqxmd.com/read/29028557/understanding-the-association-between-stunting-and-child-development-in-low-and-middle-income-countries-next-steps-for-research-and-intervention
#3
REVIEW
Jessica M Perkins, Rockli Kim, Aditi Krishna, Mark McGovern, Victor M Aguayo, S V Subramanian
Stunting, caused by experiences of chronic nutritional deprivation, affects approximately 25% of children under age five globally (i.e., 156 million children). In this review, evidence of a relationship between stunting and child development in low- and middle-income countries is summarized, and issues for further research are discussed. We focus on studies that measured low height-for-age among children less than 5 years old as the exposure and gross/fine motor skills, psychosocial competencies, cognitive abilities, or schooling and learning milestones as the outcomes...
September 22, 2017: Social Science & Medicine
https://www.readbyqxmd.com/read/29025977/an-approach-to-discovering-novel-muscarinic-m1-receptor-positive-allosteric-modulators-with-potent-cognitive-improvement-and-minimized-gastrointestinal-dysfunction
#4
Emi Kurimoto, Satoru Matsuda, Yuji Shimizu, Yuu Sako, Takao Mandai, Takahiro Sugimoto, Hiroki Sakamoto, Haruhide Kimura
Activation of muscarinic M1 receptor (M1R) is a promising approach for improving cognitive impairment in Alzheimer's disease. However, an M1 selective positive allosteric modulator (PAM), benzyl quinolone carboxylic acid (BQCA), at 30 mg/kg, induced diarrhea in wild-type mice, but not in M1R knock-out mice. Moreover, BQCA (0.1-1000 nM) augmented electric field stimulation (EFS) -induced ileum contraction in an in vitro Magnus assay. Thus, we decided to establish a drug-screening strategy to discover novel M1 PAMs producing potent cognitive improvement with minimized gastrointestinal (GI) dysfunction...
October 12, 2017: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/29025322/auditory-and-cognitive-development-in-a-partially-deaf-child-with-bilateral-electro-acoustic-stimulation-a-case-study
#5
Josef Seebacher, Franz Muigg, Natalie Fischer, Viktor Weichbold, Kurt Stephan, Patrick Zorowka, Harald R Bliem, Joachim Schmutzhard
OBJECTIVE: To study the long-term evolution of speech and intelligence in a child with partial deafness and normal hearing in the low frequencies after sequentially receiving cochlear implants in both ears. DESIGN: Retrospective chart review. STUDY SAMPLE: Male child aged 6 years was followed over a time period of four years. RESULTS: The paediatric patient had normal hearing up to 1 kHz and profound hearing loss at all higher frequencies symmetrical in both ears...
October 12, 2017: International Journal of Audiology
https://www.readbyqxmd.com/read/29024490/categorization-of-abuse-potential-related-adverse-events
#6
Edward M Sellers, Myroslava K Romach
All drugs with central nervous system activity must undergo an assessment of their abuse potential, and these data must be included in a New Drug Application. Part of this assessment is an analysis of treatment-emergent adverse events that occur during clinical development. Using an iterative consensus strategy, we evaluated and grouped an available list of 213 flag terms for abuse potential from the Food and Drug Administration, into categories and assessed the relevance of the terms to primary abuse behavior...
October 11, 2017: Clinical Pharmacology in Drug Development
https://www.readbyqxmd.com/read/29021765/enhancing-neuroplasticity-to-augment-cognitive-remediation-in-schizophrenia
#7
REVIEW
Carol Jahshan, Yuri Rassovsky, Michael F Green
There is a burgeoning need for innovative treatment strategies to improve the cognitive deficits in schizophrenia. Cognitive remediation (CR) is effective at the group level, but the variability in treatment response is large. Given that CR may depend on intact neuroplasticity to produce cognitive gains, it is reasonable to combine it with strategies that harness patients' neuroplastic potential. In this review, we discuss two non-pharmacological approaches that can enhance neuroplasticity and possibly augment the effects of CR in schizophrenia: physical exercise and transcranial direct current stimulation (tDCS)...
2017: Frontiers in Psychiatry
https://www.readbyqxmd.com/read/29021526/anodal-tdcs-applied-during-multitasking-training-leads-to-transferable-performance-gains
#8
Hannah L Filmer, Maxwell Lyons, Jason B Mattingley, Paul E Dux
Cognitive training can lead to performance improvements that are specific to the tasks trained. Recent research has suggested that transcranial direct current stimulation (tDCS) applied during training of a simple response-selection paradigm can broaden performance benefits to an untrained task. Here we assessed the impact of combined tDCS and training on multitasking, stimulus-response mapping specificity, response-inhibition, and spatial attention performance in a cohort of healthy adults. Participants trained over four days with concurrent tDCS - anodal, cathodal, or sham - applied to the left prefrontal cortex...
October 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29020521/-yes-and-%C3%A2-exploring-the-future-of-learning-analytics-in-medical-education
#9
Matt M Cirigliano, Charlie Guthrie, Martin V Pusic, Anna T Cianciolo, Jennifer E Lim-Dunham, Anderson Spickard, Valerie Terry
This Conversations Starter article presents a selected research abstract from the 2017 Association of American Medical Colleges Northeastern Region Group on Educational Affairs annual spring meeting. The abstract is paired with the integrative commentary of three experts who shared their thoughts stimulated by the study. Commentators brainstormed "what's next" with learning analytics in medical education, including advancements in interaction metrics and the use of interactivity analysis to deepen understanding of perceptual, cognitive, and social learning and transfer processes...
October 2017: Teaching and Learning in Medicine
https://www.readbyqxmd.com/read/29020472/effect-of-transcranial-direct-current-stimulation-combined-with-cognitive-training-on-cognitive-functioning-in-older-adults-with-hiv-a-pilot-study
#10
Pariya L Fazeli, Adam J Woods, Caitlin N Pope, David E Vance, Karlene K Ball
The objective of this study was to examine combination speed of processing (SOP) cognitive remediation therapy (CRT) and transcranial direct stimulation (tDCS) as neurorehabilitation in older HIV+ adults. Thirty-three HIV+ adults aged 50+ completed neurocognitive testing and were randomized to either active (n = 17) or sham (n = 16) tDCS. Both conditions received 10 1-hour sessions of SOP CRT, with either active or sham tDCS for the first 20 minutes. Participants then completed a posttest assessment...
October 11, 2017: Applied Neuropsychology. Adult
https://www.readbyqxmd.com/read/29020028/learning-speed-is-affected-by-personality-and-reproductive-investment-in-a-songbird
#11
Hector Fabio Rivera-Gutierrez, Tine Martens, Rianne Pinxten, Marcel Eens
Individuals from different taxa, including songbirds, differ consistently in behaviour and personality when facing different situations. Although our understanding of animal behaviour has increased, knowledge about between-individual differences in cognitive abilities is still limited. By using an experimental approach and a free-living songbird (Parus major) as a model, we attempted to understand between-individual differences in habituation to playbacks (as a proxy of learning speed), by investigating the role of personality, age and reproductive investment (clutch size)...
2017: PloS One
https://www.readbyqxmd.com/read/29018233/altered-neurovascular-coupling-as-measured-by-optical-imaging-a-biomarker-for-alzheimer-s-disease
#12
Konstantin Kotliar, Christine Hauser, Marion Ortner, Claudia Muggenthaler, Janine Diehl-Schmid, Susanne Angermann, Alexander Hapfelmeier, Christoph Schmaderer, Timo Grimmer
Neurovascular coupling can be directly assessed by retinal vessel response to flickering light using optical imaging methods. The response is altered in a number of ocular and cardiovascular diseases. Whether it is altered in Alzheimer's disease (AD) is investigated. Retinal vessel reaction to monochromatic flicker stimulation was examined by Dynamic Vessel Analyzer independent of the commercial software in elderly subjects: 15 patients with mild-to-moderate dementia due to AD (ADD); 24 patients with mild cognitive impairment due to AD (MCI); 15 cognitively healthy controls (HC)...
October 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29017911/combination-of-a-short-cognitive-training-and-tdcs-to-enhance-visuospatial-skills-a-comparison-between-online-and-offline-neuromodulation
#13
Viola Oldrati, Barbara Colombo, Alessandro Antonietti
Visuospatial skills can be enhanced thanks to specific intervention programs, but the additional benefits of neuromodulation on these skills have not been fully investigated yet, although transcranial direct current stimulation (tDCS) has demonstrated to boost the effects of cognitive trainings. When combining cognitive intervention with neuromodulation, the time-window of tDCS application in relation to task execution has to be taken into account since it has been shown to affect stimulation outcomes. The aim of the present experiment was to investigate the influence of tDCS in enhancing the effects of a training for visuospatial skills...
October 7, 2017: Brain Research
https://www.readbyqxmd.com/read/29017897/patients-conceptions-of-terms-related-to-sexual-interest-desire-and-arousal
#14
John D DeLamater, Kevin P Weinfurt, Kathryn E Flynn
BACKGROUND: Measurement of sexual function typically uses self-report, which, to work as intended, must use language that is understood consistently by diverse respondents. Commonly used measures employ multiple terms, primarily (sexual) interest, desire, and arousal, that might not be understood in the same way by laypeople and professionals. AIM: To inform self-reported measurement efforts for research and clinical settings by examining how US men and women recruited from a health care setting understand and interpret different terms...
October 7, 2017: Journal of Sexual Medicine
https://www.readbyqxmd.com/read/29016468/a-systematic-review-of-reminiscence-therapy-for-older-adults-in-taiwan
#15
Hsin-Yen Yen, Li-Jung Lin
BACKGROUND: Population aging is an increasing phenomenon in many countries around the world. It has been estimated that more than one quarter of all older adults experience a mental or neurological disorder or disease such as dementia, depression, anxiety, and substance abuse. Reminiscence is a popular treatment for enhancing well-being in older adults. Previous studies have shown that reminiscence therapy improves the cognitive functions, behaviors, and other psychosocial outcomes in older adult patients...
October 10, 2017: Journal of Nursing Research: JNR
https://www.readbyqxmd.com/read/28994763/effects-of-transcranial-alternating-current-stimulation-on-the-primary-motor-cortex-by-online-combined-approach-with-transcranial-magnetic-stimulation
#16
Anna Shpektor, Maria Nazarova, Matteo Feurra
Transcranial Alternating Current Stimulation (tACS) is a neuromodulatory technique able to act through sinusoidal electrical waveforms in a specific frequency and in turn modulate ongoing cortical oscillatory activity. This neurotool allows the establishment of a causal link between endogenous oscillatory activity and behavior. Most of the tACS studies have shown online effects of tACS. However, little is known about the underlying action mechanisms of this technique because of the AC-induced artifacts on Electroencephalography (EEG) signals...
September 23, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28994307/alert-workplace-from-healthcare-workers-perspective-behavioral-and-environmental-strategies-to-improve-vigilance-and-alertness-in-healthcare-settings
#17
Rana Sagah Zadeh, Mardelle Shepley, Hessam Sadatsafavi, Arthur Hamie Owora, Ana C Krieger
OBJECTIVE: This study aims to identify the behavioral and environmental strategies that healthcare workers view as helpful for managing sleepiness, improving alertness, and therefore optimizing workplace safety. BACKGROUND: Reduced alertness is a common issue in healthcare work environments and is associated with impaired cognitive performance and decision-making ability as well as increased errors and injuries. METHOD: We surveyed 136 healthcare professionals at a primary care clinic, an acute care hospital, and a mental health clinic...
January 1, 2017: HERD
https://www.readbyqxmd.com/read/28993753/electroencephalography-in-the-diagnosis-of-genetic-generalized-epilepsy-syndromes
#18
REVIEW
Udaya Seneviratne, Mark J Cook, Wendyl Jude D'Souza
Genetic generalized epilepsy (GGE) consists of several syndromes diagnosed and classified on the basis of clinical features and electroencephalographic (EEG) abnormalities. The main EEG feature of GGE is bilateral, synchronous, symmetric, and generalized spike-wave complex. Other classic EEG abnormalities are polyspikes, epileptiform K-complexes and sleep spindles, polyspike-wave discharges, occipital intermittent rhythmic delta activity, eye-closure sensitivity, fixation-off sensitivity, and photoparoxysmal response...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28993740/pharmacological-augmentation-of-psychosocial-and-remediation-training-efforts-in-schizophrenia
#19
REVIEW
Philip D Harvey, Michael Sand
Pharmacological approaches to cognitive enhancement have received considerable attention but have not had considerable success in improving their cognitive and functional targets. Other intervention strategies, such as cognitive remediation therapy (CRT), have been shown to enhance cognitive performance but have not been found to improve functional outcomes without additional psychosocial interventions. Recently, several studies have attempted to enhance the effects of CRT by adding pharmacological interventions to the CRT treatments...
2017: Frontiers in Psychiatry
https://www.readbyqxmd.com/read/28991675/sodium-butyrate-exerts-protective-effect-against-parkinson-s-disease-in-mice-via-stimulation-of-glucagon-like-peptide-1
#20
Jiaming Liu, Fangyan Wang, Suzhi Liu, Jimei Du, Xuezhen Hu, Jiaojiao Xiong, Renchi Fang, Wenqian Chen, Jing Sun
Sodium butyrate (NaB) has exhibited protective activity in neurological disorders. Here, we investigated the neuroprotective effect and potential mechanisms of NaB in a mouse model of Parkinson's disease (PD). A mouse was intraperitoneally treated with MPTP (30mg/kg) for 7 consecutive days to induce PD model and NaB (200mg/kg) was intragastrically treated for 3weeks. The behavioral tests were then conducted. Dopaminergic degeneration was evaluated by western blot and immunohistochemistry of tyrosine hydroxylase (TH) in the SN...
October 15, 2017: Journal of the Neurological Sciences
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