Results 51 to 60 of about 290,632 (212)

Attentional load and sensory competition in human vision: Modulation of fMRI responses by load fixation during task-irrelevant stimulation in the peripheral visual field. [PDF]

, 2005
Perceptual suppression of distractors may depend on both endogenous and exogenous factors, such as attentional load of the current task and sensory competition among simultaneous stimuli, respectively. We used functional magnetic resonance imaging (fMRI)
Dolan, R.J., Driver, J., Hutton, C., Maravita, A., Schwartz, S., Veilleumier, P.   +5 more
core  

Hierarchical Features of Large-Scale Cortical Connectivity

, 2005
The analysis of complex networks has revealed patterns of organization in a variety of natural and artificial systems, including neuronal networks of the brain at multiple scales.
Costa, Luciano da F., Sporns, Olaf
core   +2 more sources

CNS Mitochondria‐Derived Vesicle in Blood: Potential Biomarkers for Brain Mitochondria Dysfunction

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Mitochondrial dysfunction is a hallmark of neurodegenerative diseases like Alzheimer's (AD) and Parkinson's (PD). Our goal was to develop practical, noninvasive methods to assess mitochondrial status through the detection of mitochondria‐derived vesicles (MDVs).
Qi Liu, Wentao Chen, Yahong Wu, Zhen Guo, Jun Chen, Chen Tian, Pan Wang, Shaopeng Zeng, Bin Xu, Jing Duan, Shilong Han, Xiao Xiong, Jing Zhang   +12 more
wiley   +1 more source

Propagating Waves in Visual Cortex [PDF]

Neuron, 2007
Spatiotemporal patterns of cortical activation occur superimposed upon sensory, motor, and cognitive maps. The papers by Benucci et al. and Xu et al. in this issue of Neuron demonstrate that visual responses propagate in space and may serve to link different visual areas.
openaire   +3 more sources

Separate cortical stages in amodal completion revealed by functional magnetic resonance adaptation : research article [PDF]

, 2007
Background Objects in our environment are often partly occluded, yet we effortlessly perceive them as whole and complete. This phenomenon is called visual amodal completion. Psychophysical investigations suggest that the process of completion starts from
Muckli, Lars, Singer, Wolf, Weigelt, Sarah   +2 more
core  

Nuclei‐Specific Amygdala Enlargement Is Linked to Psychiatric Comorbidities in Drug‐Resistant Focal Epilepsy

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Amygdala enlargement has been the subject of controversial studies regarding its significance in terms of pathogenicity both in epilepsy and in psychiatric comorbidities such as anxiety, depression, and post‐traumatic stress disorder.
Hélène Mourre, Julia Makhalova, Lisa Soncin, Elodie Garnier, Hugo Dary, Arnaud Le Troter, Roy A. M. Haast, Benoit Testud, Marie Arthuis, Samuel Medina Villalon, Stanislas Lagarde, Francesca Pizzo, Christian Bénar, Jean‐Philippe Ranjeva, Maxime Guye, Fabrice Bartolomei   +15 more
wiley   +1 more source

Direct evidence for local oscillatory current sources and intracortical phase gradients in turtle visual cortex [PDF]

, 2000
Visual stimuli induce oscillations in the membrane potential of neurons in cortices of several species. In turtle, these oscillations take the form of linear and circular traveling waves. Such waves may be a consequence of a pacemaker that emits periodic
Bullock, T.H., Kleinfeld, David., Prechtl, James C.   +2 more
core   +2 more sources

Serotonergic and Dopaminergic Function in Neuropsychiatrically Asymptomatic People With HIV on Antiretroviral Therapy

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective People with HIV (PWH) on antiretroviral therapy (ART) still experience neurocognitive dysfunction and accelerated brain volume loss. To assess whether the serotonergic and dopaminergic systems are affected, we used [11C]DASB positron emission tomography (PET) to assess presynaptic serotonergic function and [18F]FDOPA PET to measure ...
Chuen‐Yen Lau, Anna Lyndaker, Swati Shah, Paul Wakim, Amelia Mitchell, Cynthia Monroe, Alan Kim, Tracy L. Cropper, Govind Nair, Joseph Snow, Bryan R. Smith, Avindra Nath, Dima A. Hammoud   +12 more
wiley   +1 more source

Contributions of local speech encoding and functional connectivity to audio-visual speech perception [PDF]

, 2017
Seeing a speaker’s face enhances speech intelligibility in adverse environments. We investigated the underlying network mechanisms by quantifying local speech representations and directed connectivity in MEG data obtained while human participants ...
Abrams, Alexandrou, Alho, Arnal, Arnal, Arnal, Ashburner, Auksztulewicz, Beauchamp, Belitski, Bernstein, Besle, Besserve, Besserve, Binder, Bornkessel-Schlesewsky, Bourguignon, Brainard, Callan, Callan, Callan, Canolty, Chandrasekaran, Chandrasekaran, Chennu, Chu, Clos, Crosse, Ding, Ding, Du, Evans, Ferstl, Fonteneau, Freedman, Ghazanfar, Ghazanfar, Giraud, Gow, Grant, Greenberg, Gross, Guediche, Hasson, Hasson, Hasson, Heim, Hickok, Hickok, Hipp, Horowitz-Kraus, Ince, Ince, Ince, Kandylaki, Kayser, Kayser, Kayser, Keitel, Krieger-Redwood, Kriegeskorte, Lakatos, Lee, Maris, Massey, McGettigan, Meister, Mesgarani, Morillon, Morís Fernández, Nath, Ng, Ohshiro, Oostenveld, Osnes, Panzeri, Park, Park, Peelle, Peelle, Pickering, Poeppel, Poeppel, Pola, Pouget, Price, Rauschecker, Riedel, Ross, Schepers, Schneidman, Schreiber, Schroeder, Schroeder, Schwartz, Schwartz, Skipper, Sohoglu, Sumby, Tavano, Thorne, van Atteveldt, van Atteveldt, van Wassenhove, Vetter, Vicente, Wibral, Wild, Wilson, Winkler, Wright, Yarkoni, Zion Golumbic, Zion Golumbic   +113 more
core   +5 more sources

Brain Characteristics in Patients With Myelin Oligodendrocyte Glycoprotein Antibody‐Associated Disorder by 7.0 Tesla MRI

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Background Myelin oligodendrocyte glycoprotein antibody‐associated disease (MOGAD) can radiographically mimic multiple sclerosis (MS) and neuromyelitis optica spectrum disorder (NMOSD). The disease hallmarks cortical lesion, central vein sign (CVS) and paramagnetic rim lesions identified in MS have not yet been comprehensively investigated in ...
Lei Su, Joseph Kuchling, Chenyang Gao, Thoralf Niendorf, Carsten Finke, Zhe Zhang, Ai Guo, Jing Jing, De‐Cai Tian, Yu‐Jing Li, Mengting Zhang, Xiaoyu Shi, Xinyao Liu, Huabing Wang, Yaou Liu, Claudia Chien, Michael Levy, Yunyun Duan, Friedemann Paul, Fu‐Dong Shi   +19 more
wiley   +1 more source