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Total 118632 results found since Jan 2013.

Infodemiology of autoimmune encephalitis, autoimmune seizures, and autoimmune epilepsy: An analysis of online search behavior using Google Trends
CONCLUSIONS: This study showed an uptrend in the online search interest on autoimmune encephalitis, autoimmune seizures, and autoimmune epilepsy over time, which may reflect the increased awareness of the condition by the public and the medical community. Information on online health information-seeking behavior may be obtained from Google Trends data despite its limitations.PMID:35623205 | DOI:10.1016/j.yebeh.2022.108730
Source: Epilepsy and Behaviour - May 27, 2022 Category: Neurology Authors: Katrina T Roberto Roland Dominic G Jamora Kevin Michael C Moalong Adrian I Espiritu Source Type: research

On the origin of event-related potentials indexing covert attentional selection during visual search: timing of selection by macaque frontal eye field and event-related potentials during pop-out search
This study continues a program of research in which we investigated the neural basis of attention-related ERP components by simultaneously recording intracranially and extracranially from macaque monkeys. Here, we compare the timing of attentional selection by the macaque homologue of the human N2pc component (m-N2pc) with the timing of selection in the frontal eye field (FEF), an attentional-control structure believed to influence posterior visual areas thought to generate the N2pc. We recorded FEF single-unit spiking and local field potentials (LFPs) simultaneously with the m-N2pc in monkeys performing an efficient pop-o...
Source: Journal of Neurophysiology - January 15, 2013 Category: Neurology Authors: Purcell, B. A., Schall, J. D., Woodman, G. F. Tags: Articles Source Type: research

Far-space neglect in conjunction but not feature search following transcranial magnetic stimulation over right posterior parietal cortex
Near- and far-space coding in the human brain is a dynamic process. Areas in dorsal, as well as ventral visual association cortex, including right posterior parietal cortex (rPPC), right frontal eye field (rFEF), and right ventral occipital cortex (rVO), have been shown to be important in visuospatial processing, but the involvement of these areas when the information is in near or far space remains unclear. There is a need for investigations of these representations to help explain the pathophysiology of hemispatial neglect, and the role of near and far space is crucial to this. We used a conjunction visual search task us...
Source: Journal of Neurophysiology - February 15, 2014 Category: Neurology Authors: Mahayana, I. T., Liu, C.-L., Chang, C. F., Hung, D. L., Tzeng, O. J. L., Juan, C.-H., Muggleton, N. G. Tags: Articles Source Type: research

Epilepsy: social media and the Internet. {inverted question}To search or not to search? (P3.233)
Conclusions:The media and social networks are transcendent tools but their use should be responsible and regulated. While about 70% of those surveyed seek for information about epilepsy, 31.9% are aware that there is information provided by official agencies and about 50% of them control the information obtained with their neurologist. This should encourage clinicians to maximize efforts for more and better disclosure of information.Disclosure: Dr. Thomson has nothing to disclose. Dr. Molina Melendres has nothing to disclose. Dr. Couto has nothing to disclose. Dr. Vazquez has nothing to disclose. Dr. Nadile has nothing to ...
Source: Neurology - April 17, 2017 Category: Neurology Authors: Thomson, A., Melendres, J. M., Couto, B., Vazquez, G., Nadile, D., Tamargo, A., Calle, A., Fontela, E., Thomson, A. Tags: Epilepsy and Clinical Neurophysiology: Outcomes and Psychosocial Source Type: research

Gene expression in amygdala as a function of differential trait anxiety levels in genetically heterogeneous NIH-HS rats.
Abstract To identify genes involved in anxiety/fear traits, we analyzed the gene expression profile in the amygdala of genetically heterogeneous NIH-HS rats. The NIH-HS rat stock has revealed to be a unique genetic resource for the fine mapping of Quantitative trait loci (QTLs) to very small genomic regions, due to the high amount of genetic recombinants accumulated along more than 50 breeding generations, and for the same reason it can be expected that those genetically heterogeneous rats should be especially useful for studying differential gene expression as a function of anxiety-(or other)-related traits. We s...
Source: Behavioural Brain Research - June 15, 2013 Category: Neurology Authors: Díaz-Morán S, Palència M, Mont-Cardona C, Cañete T, Blázquez G, Martínez-Membrives E, López-Aumatell R, Sabariego M, Donaire R, Morón I, Torres C, Martínez-Conejero JA, Tobeña A, Esteban FJ, Fernández-Teruel A Tags: Behav Brain Res Source Type: research

Gene expression in hippocampus as a function of differential trait anxiety levels in genetically heterogeneous NIH-HS rats.
Abstract To identify genes involved in the development/expression of anxiety/fear, we analyzed the gene expression profile in the hippocampus of genetically heterogeneous NIH-HS rats. The NIH-HS rat stock is a unique genetic resource for the fine mapping of quantitative trait loci (QTLs) to very small genomic regions, due to the high amount of genetic recombinants accumulated along more than 50 breeding generations, and for the same reason it can be expected that those genetically heterogeneous rats should be especially useful for studying differential gene expression as a function of anxiety, fearfulness or other...
Source: Behavioural Brain Research - October 1, 2013 Category: Neurology Authors: Díaz-Morán S, Palència M, Mont-Cardona C, Cañete T, Blázquez G, Martínez-Membrives E, López-Aumatell R, Sabariego M, Donaire R, Morón I, Torres C, Martínez-Conejero JA, Tobeña A, Esteban FJ, Fernández-Teruel A Tags: Behav Brain Res Source Type: research

Effects of Neutralizing Antibody Production on AAV-PHP.B-Mediated Transduction of the Mouse Central Nervous System
AbstractAdeno-associated virus (AAV)-PHP.B, a capsid variant of AAV serotype 9, is highly permeable to the blood-brain barrier. A major obstacle to the systemic use of AAV-PHP.B is the generation of neutralizing antibodies (NAbs); however, temporal profiles of NAb production after exposure to AAV-PHP.B, and the influence on later AAV-PHP.B administration, remains unknown. To address these, AAV-PHP.Bs expressing either GFP or mCherry by neuron-specific or astrocyte-specific promoters were intravenously administered to mice at various intervals, and brain expression was examined. Injection of two AAV-PHP.Bs, separated tempor...
Source: Molecular Neurobiology - May 7, 2019 Category: Neurology Source Type: research

The attentional template in high and low similarity search: Optimal tuning or tuning to relations?
Cognition. 2021 Apr 13;212:104732. doi: 10.1016/j.cognition.2021.104732. Online ahead of print.ABSTRACTThe attentional template is often described as the mental representation that drives attentional selection and guidance, for instance, in visual search. Recent research suggests that this template is not a veridical representation of the sought-for target, but instead an altered representation that allows more efficient search. The current paper contrasts two such theories. Firstly, the Optimal Tuning account which posits that the attentional template shifts to an exaggerated target value to maximise the signal-to-noise r...
Source: Cognition - April 16, 2021 Category: Neurology Authors: Zachary Hamblin-Frohman Stefanie I Becker Source Type: research

Serial, self-terminating search can be distinguished from others: Evidence from multi-target search data
Cognition. 2021 Apr 19;212:104736. doi: 10.1016/j.cognition.2021.104736. Online ahead of print.ABSTRACTHow do people find a target among multiple stimuli? The process of searching for a target among distractors has been a fundamental issue in human perception and cognition, evoking raging debates. Some researchers argued that search should be carried out by serially allocating focal attention to each item until the target is found. Others claimed that multiple stimuli, sharing a finite amount of processing resource, could be processed in parallel. This strict serial/parallel dichotomy in visual search has been challenged a...
Source: Cognition - April 22, 2021 Category: Neurology Authors: Jongmin Lee Koeun Jung Suk Won Han Source Type: research

One-Shot Neural Architecture Search by Dynamically Pruning Supernet in Hierarchical Order
Int J Neural Syst. 2021 Jun 14:2150029. doi: 10.1142/S0129065721500295. Online ahead of print.ABSTRACTNeural Architecture Search (NAS), which aims at automatically designing neural architectures, recently draw a growing research interest. Different from conventional NAS methods, in which a large number of neural architectures need to be trained for evaluation, the one-shot NAS methods only have to train one supernet which synthesizes all the possible candidate architectures. As a result, the search efficiency could be significantly improved by sharing the supernet's weights during the candidate architectures' evaluation. T...
Source: International Journal of Neural Systems - June 15, 2021 Category: Neurology Authors: Jianwei Zhang Dong Li Lituan Wang Lei Zhang Source Type: research

The relationship between the subjective experience of real-world cognitive failures and objective target-detection performance in visual search
Cognition. 2021 Sep 27;217:104914. doi: 10.1016/j.cognition.2021.104914. Online ahead of print.ABSTRACTVisual search is a common occurrence in everyday life, such as searching for the location of keys, identifying a friend in a crowd, or scanning an upcoming intersection for hazards while driving. Visual search is also used in professional contexts, such as medical diagnostic imaging and airport baggage screening. These contexts are often characterised by low-prevalence or rare targets. Here we tested whether individual differences in the detection of targets in visual search could be predicted from variables derived from ...
Source: Cognition - September 30, 2021 Category: Neurology Authors: Katherine J Thomson Stephanie C Goodhew Source Type: research