Cerebral Cortex
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5.04
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6142
Papers 6523
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#2Pai-Kai Chiang (Mackay Memorial Hospital)
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Low-intensity pulsed ultrasound (LIPUS) has also been reported to improve behavioral functions in Parkinson's disease (PD) animal models; however, the effect of LIPUS stimulation on the neurotrophic factors and neuroinflammation has not yet been addressed. PD rat model was built by injection of 6-hydroxydopamine (6-OHDA) in 2 sites in the right striatum. The levels of neurotrophic factors and lipocalin-2 (LCN2)-induced neuroinflammation were quantified using a western blot. Rotational test and c...
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#1Yuta Katsumi (Japan Society for the Promotion of Science)H-Index: 7
#2Joseph M. Andreano (Harvard University)H-Index: 12
Last. Alexandra Touroutoglou (Harvard University)H-Index: 15
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Superagers are older adults who maintain youthful memory despite advanced age. Previous studies showed that superagers exhibit greater structural and intrinsic functional brain integrity, which contribute to their youthful memory. However, no studies, to date, have examined brain activity as superagers learn and remember novel information. Here, we analyzed functional magnetic resonance imaging data collected from 41 young and 40 older adults while they performed a paired associate visual recogn...
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#1Vasilis M. Karlaftis (University of Cambridge)H-Index: 4
#2Joseph Giorgio (University of Cambridge)H-Index: 3
Last. Zoe Kourtzi (University of Cambridge)H-Index: 38
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The brain's capacity to adapt to sensory inputs is key for processing sensory information efficiently and interacting in new environments. Following repeated exposure to the same sensory input, brain activity in sensory areas is known to decrease as inputs become familiar, a process known as adaptation. Yet, the brain-wide mechanisms that mediate adaptive processing remain largely unknown. Here, we combine multimodal brain imaging (functional magnetic resonance imaging [fMRI], magnetic resonance...
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#1Daniel Reznik (MPG: Max Planck Society)
#2Noa Guttman (BIU: Bar-Ilan University)
Last. Roy Mukamel (TAU: Tel Aviv University)H-Index: 19
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Sensory perception is a product of interactions between the internal state of an organism and the physical attributes of a stimulus. It has been shown across the animal kingdom that perception and sensory-evoked physiological responses are modulated depending on whether or not the stimulus is the consequence of voluntary actions. These phenomena are often attributed to motor signals sent to relevant sensory regions that convey information about upcoming sensory consequences. However, the neuroph...
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#1Alisa R. Zoltowski (Vandy: Vanderbilt University)H-Index: 3
#2Ilwoo Lyu (UNIST: Ulsan National Institute of Science and Technology)
Last. Tin Q. Nguyen (Vandy: Vanderbilt University)H-Index: 2
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It has been challenging to elucidate the differences in brain structure that underlie behavioral features of autism. Prior studies have begun to identify patterns of changes in autism across multiple structural indices, including cortical thickness, local gyrification, and sulcal depth. However, common approaches to local gyrification indexing used in prior studies have been limited by low spatial resolution relative to functional brain topography. In this study, we analyze the aforementioned st...
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#1Anja Soldan (JHUSOM: Johns Hopkins University School of Medicine)H-Index: 22
#2Corinne Pettigrew (JHUSOM: Johns Hopkins University School of Medicine)H-Index: 19
Last. Marilyn S. Albert (JHUSOM: Johns Hopkins University School of Medicine)H-Index: 135
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This study examines the relationship of engagement in different lifestyle activities to connectivity in large-scale functional brain networks, and whether network connectivity modifies cognitive decline, independent of brain amyloid levels. Participants (N = 153, mean age = 69 years, including N = 126 with amyloid imaging) were cognitively normal when they completed resting-state functional magnetic resonance imaging, a lifestyle activity questionnaire, and cognitive testing. They were followed ...
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#1Sofia Alçada-Morais (UC: University of Coimbra)H-Index: 1
#2Nélio Gonçalves (UC: University of Coimbra)H-Index: 13
Last. Matilde Partidário (UC: University of Coimbra)
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Cortical interneurons born in the subpallium reach the cortex through tangential migration, whereas pyramidal cells reach their final position by radial migration. Purinergic signaling via P2Y1 receptors controls the migration of intermediate precursor cells from the ventricular zone to the subventricular zone. It was also reported that the blockade of A2A receptors (A2AR) controls the tangential migration of somatostatin+ interneurons. Here we found that A2AR control radial migration of cortica...
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#1James J. Levitt (VA Boston Healthcare System)H-Index: 35
#2Fan Zhang (Brigham and Women's Hospital)H-Index: 37
Last. Lauren J. O'Donnell (Brigham and Women's Hospital)H-Index: 29
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To assess normal organization of frontostriatal brain wiring, we analyzed diffusion magnetic resonance imaging (dMRI) scans in 100 young adult healthy subjects (HSs). We identified fiber clusters intersecting the frontal cortex and caudate, a core component of associative striatum, and quantified their degree of deviation from a strictly topographic pattern. Using whole brain dMRI tractography and an automated tract parcellation clustering method, we extracted 17 white matter fiber clusters per ...
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#1Z Jedidi (University of Liège)
#2Marine Manard (University of Liège)H-Index: 6
Last. Steve Majerus (University of Liège)H-Index: 57
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The frontoparietal semantic network, encompassing the inferior frontal gyrus and the posterior middle temporal cortex, is considered to be involved in semantic control processes. The explicit versus implicit nature of these control processes remains however poorly understood. The present study examined this question by assessing regional brain responses to the semantic attributes of an unattended stream of auditory words while participants' top-down attentional control processes were absorbed by...
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#1Minho Shin (DGIST: Daegu Gyeongbuk Institute of Science and Technology)
#2Hyeon-Ae Jeon (MPG: Max Planck Society)H-Index: 8
Recent advances in neuroimaging have augmented numerous findings in the human reasoning process but have yielded varying results. One possibility for this inconsistency is that reasoning is such an intricate cognitive process, involving attention, memory, executive functions, symbolic processing, and fluid intelligence, whereby various brain regions are inevitably implicated in orchestrating the process. Therefore, researchers have used meta-analyses for a better understanding of neural mechanis...
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Top fields of study
Psychology
Neuroscience
Cognitive psychology
Functional magnetic resonance imaging
Prefrontal cortex
Biology