Results 31 to 40 of about 2,975,090 (192)

Biomagnetic biomarkers for dementia: A pilot multicentre study with a recommended methodological framework for magnetoencephalography

Alzheimer’s & Dementia: Diagnosis, Assessment & Disease Monitoring, 2019
Introduction An increasing number of studies are using magnetoencephalography (MEG) to study dementia. Here we define a common methodological framework for MEG resting‐state acquisition and analysis to facilitate the pooling of data from different sites.
Laura E. Hughes, Richard N. Henson, Ernesto Pereda, Ricardo Bruña, David López‐Sanz, Andrew J. Quinn, Mark W. Woolrich, Anna C. Nobre, James B. Rowe, Fernando Maestú, the BioFIND Working Group   +10 more
doaj   +1 more source

Optogenetics and deep brain stimulation neurotechnologies [PDF]

, 2015
Brain neural network is composed of densely packed, intricately wired neurons whose activity patterns ultimately give rise to every behavior, thought, or emotion that we experience. Over the past decade, a novel neurotechnique, optogenetics that combines
A Berndt, A Berndt, A Priori, AA Kuhn, AA Kuhn, AS Chuong, B Sauer, B Wingeier, BY Chow, BY Chow, C Bamann, D Luo, D Oesterhelt, D Oesterhelt, D Williams, ES Boyden, EY Uc, F Zhang, F Zhang, G Foffani, G Miesenbock, G Nagel, J Cavanaugh, J Mobley, J Volkmann, J Wells, J Wietek, JG Bernstein, JG Bernstein, JG Bernstein, JL Spudich, JL Spudich, JO Dostrovsky, JZ Tsien, L Bekar, L Madisen, LA Gunaydin, M Weinberger, M Weinberger, MC Rodriguez-Oroz, MJ Lehmkuhle, ML Welter, MM Doroudchi, O Yizhar, P Brown, P Silberstein, R Levy, R Levy, R Levy, R Waehler, S Zhao, TW Chen, VC Anderson, X Han, X Han, X Han, X Han, X Han, X Liu   +58 more
core   +2 more sources

osl-dynamics, a toolbox for modeling fast dynamic brain activity

eLife
Neural activity contains rich spatiotemporal structure that corresponds to cognition. This includes oscillatory bursting and dynamic activity that span across networks of brain regions, all of which can occur on timescales of tens of milliseconds.
Chetan Gohil, Rukuang Huang, Evan Roberts, Mats WJ van Es, Andrew J Quinn, Diego Vidaurre, Mark W Woolrich   +6 more
doaj   +1 more source

Physiological Study of Visual and Non-Visual Effects of Light Exposure

Applied Sciences, 2023
Light simultaneously induces visual and non-visual effects. Although the differences in the spectral sensitivity of intrinsic photosensitive retinal ganglion cells induce opposing influences on physiological responses, it is difficult to independently ...
Haruki Morioka, Haruki Ozawa, Takeo Kato
doaj   +1 more source

Association between cognitive performance and cortical glucose metabolism in patients with mild Alzheimer's disease [PDF]

, 2005
Background: Neuronal and synaptic function in Alzheimer's disease (AD) is measured in vivo by glucose metabolism using positron emission tomography (PET). Objective: We hypothesized that neuronal activation as measured by PET is a more sensitive index of
A. Drzezga, A.L.W. Bokde, Baron JC, C. Born, Collins DL, G. Leinsinger, H. Hampel, H.-J. Moeller, Herholz K, Herscovitch P, Ibanez V, Ishii K, J. Thissen, Jueptner M, M. Schwaiger, McKhann G, Meltzer CC, Meltzer CC, Mentis MJ, Mentis MJ, P. Bartenstein, Pietrini P, Pietrini P, Pietrini P, Rapoport SI, S.J. Teipel, Sokoloff L, W. Dong   +27 more
core   +1 more source

Prevalence of dementia risk factors in the Oxford Brain Health Clinic

Scientific Reports
With promising disease-modifying therapies (DMTs) emerging and good evidence to support risk reduction in the delay of dementia onset and progression, it is important to understand the profile of patients attending memory assessment services to estimate ...
J. Blane, G. Gillis, L. Griffanti, R. Mitchell, P. M. Pretorius, S. Forster, S. Shabir, L. Maffei, M. C. O’Donoghue, J. Fossey, V. Raymont, L. Martos, C. E. Mackay   +12 more
doaj   +1 more source

Analysis of Motion Sickness Associated Brain Activity Using fNIRS: A Driving Simulator Study

IEEE Access, 2020
Motion sickness is a common disease encountered in traditional vehicles as well as autonomous vehicles, which will negatively affect user acceptance. To make clear the pathogenesis of motion sickness, this study focused on drivers' brain activity changes
Chenyang Zhang, Shuguang Li, Yaohua Li, Shengbo Eben Li, Bingbing Nie   +4 more
doaj   +1 more source

Recognition of Empathy from Synchronization between Brain Activity and Eye Movement

Sensors, 2023
In the era of user-generated content (UGC) and virtual interactions within the metaverse, empathic digital content has become increasingly important. This study aimed to quantify human empathy levels when exposed to digital media.
Jing Zhang, Sung Park, Ayoung Cho, Mincheol Whang   +3 more
doaj   +1 more source

Large-scale multielectrode recording and stimulation of neural activity [PDF]

, 2007
Large circuits of neurons are employed by the brain to encode and process information. How this encoding and processing is carried out is one of the central questions in neuroscience.
Chichilnisky, E. J., Dabrowski, W., Grillo, A. A., Grivich, M., Gunning, D., Hottowy, P., Kachiguine, S., Litke, A. M., Mathieson, K., Petrusca, D., Sher, A.   +10 more
core   +1 more source

Altered brain activity in end‐stage knee osteoarthritis revealed by resting‐state functional magnetic resonance imaging

Brain and Behavior, 2022
Introduction Knee osteoarthritis (KOA) is characterized by a degenerative change of knee cartilage and secondary bone hyperplasia, resulting in pain, stiffness, and abnormal walking gait.
Bing‐Xin Kang, Jie Ma, Jun Shen, Hui Xu, Hai‐Qi Wang, Chi Zhao, Jun Xie, Sheng Zhong, Chen‐Xin Gao, Xi‐Rui Xu, Xin‐Yu A, Xiao‐Li Gu, Lianbo Xiao, Jianguang Xu   +13 more
doaj   +1 more source