• Response inhibition results in the emotional devaluation of faces: neural correlates as revealed by fMRI. (ox.ac.uk)
  • Although tics can be voluntarily inhibited on demand, the neural correlates of this process remain unclear. (uni-luebeck.de)
  • The effects of age bias on neural correlates of successful and unsuccessful response inhibition in younger and older adults. (bvsalud.org)
  • It also correlates with a lower sensitivity of medial versus lateral IZ progenitors to the neurogenesis inhibition process that maintains the IZ pool. (biologists.com)
  • This fMRI study aimed to advance our understanding of the development of aggression in children by investigating the relevance of personality traits and their neural correlates. (medscape.com)
  • Neural correlates of affective task switching and asymmetric affective task switching costs. (medscape.com)
  • Although it is well established that prior experience with faces determines their subsequent social-emotional evaluation, recent work shows that top-down inhibitory mechanisms, including response inhibition, can lead to social devaluation after even a single, brief exposure. (ox.ac.uk)
  • Within the networks subserving successful and unsuccessful response inhibition, patterns of activity demonstrated distinct neural age bias effects in each age group . (bvsalud.org)
  • Developmental trajectories of sensitivity to threat in children and adolescents predict larger medial frontal theta differentiation during response inhibition. (medscape.com)
  • Based on the fact that seizure activity is frequently associated with autism and that abnormal evoked potentials have been observed in autistic individuals in response to tasks that require attention, several investigators have recently proposed that autism might be caused by an imbalance between excitation and inhibition in key neural systems including the cortex. (neurotransmitter.net)
  • Among those, several candidate genes have been shown to control the early patterning and/or the late synaptic maturation of specific neuronal subpopulations controlling the balance between excitation and inhibition in the developing cortex and cerebellum. (neurotransmitter.net)
  • In the present article, we review our current understanding of the developmental mechanisms patterning the balance between excitation and inhibition in the context of the neurobiology of autism. (neurotransmitter.net)
  • The origin of these oscillations is commonly associated to the balance between excitation and inhibition in the network, while purely excitatory circuits are believed to lead to "unstructured population bursts " (Buzsàki, 2006). (scholarpedia.org)
  • Lateral inhibition is a mechanism of local neuronal interaction that produces significant global properties. (mirknig.su)
  • This book discusses those sensory neural networks influenced by nonlinear lateral inhibition. (mirknig.su)
  • It features biological bases of lateral inhibition models, computational properties of these models that stress their short term adaptive behavior, their relation to recent activity in neural networks and connectionist systems, their use for image processing applications, and their application to motion detection. (mirknig.su)
  • Sensory Neural Networks: Lateral Inhibition is an interdisciplinary work that will prove useful to neural network theorists, biologists, circuit designers, and vision scientists. (mirknig.su)
  • Global feedback inhibition as employed in predictive coding/biased competition has an advantage compared to local lateral inhibition learned by an anti-Hebb rule. (frontiersin.org)
  • Shunting inhibition is theorized to be a type of gain control mechanism, regulating the responses of neurons. (wikipedia.org)
  • DNQX, by blocking excitatory AMPA glutamate inputs, is hypothesized to produce relative inhibitions of NAc neurons. (jneurosci.org)
  • An excitatory pulse-coupled neural network is a network composed of neurons coupled via excitatory synapses, where the coupling among the neurons is mediated by the transmission of Excitatory Post-Synaptic Potentials (EPSPs). (scholarpedia.org)
  • We also review current models for the mechanisms of GABA-mediated synchronization of neural activity, focusing on parvalbumin-positive GABA neurons, which are altered in schizophrenia and whose function has been strongly linked to the production of neural synchrony. (hindawi.com)
  • Neural Networks With Sas Enterprise Miner ��������: Neural Networks With Sas Enterprise Miner �� : Scientific Books ������������: CreateSpace �� : 2016 ������ : 252 ������: PDF, EPUB, AZW3. (mirknig.su)
  • Published by The Company of Biologists Ltd. This article (Rabadán, MA et al (2016) Delamination of neural crest cells requires transient and reversible Wnt inhibition mediated by DACT1/2. (ucl.ac.uk)
  • masking, crowding, and grouping involve processing of multiple features and could be more subject to changes in neural inhibition (Monge & Madden, 2016 Neurosci Biobehav Rev. 69 166-173). (elsevierpure.com)
  • Some evidence exists that shunting inhibition can have a divisive effect on neuronal responses, at least on subthreshold postsynaptic potentials. (wikipedia.org)
  • It is important to note that, despite comments in the literature to the contrary (see above), divisive inhibition of neuronal responses cannot arise from shunting inhibition. (wikipedia.org)
  • Thus, shunting inhibition does not provide a plausible mechanism for neuronal gain modulation. (wikipedia.org)
  • Theoretical studies have predicted that suppression of inhibition in such excitatory-inhibitory networks can lead to either an increase or, paradoxically, a decrease in excitatory neuronal firing, with consequent effects on stimulus selectivity. (jneurosci.org)
  • However, given potential alternative explanations, it is not known whether neuronal inhibition is in fact necessary for NAc DNQX microinjections to generate motivations. (jneurosci.org)
  • Here we provide a direct test of whether local neuronal inhibition in NAc is necessary for DNQX microinjections to produce either desire or dread. (jneurosci.org)
  • We used optogenetic channelrhodopsin (ChR2) excitations at the same local sites in NAc as DNQX microinjections to oppose relative neuronal inhibitions induced by DNQX in female and male rats. (jneurosci.org)
  • SIGNIFICANCE STATEMENT A major hypothesis posits neuronal inhibitions in nucleus accumbens generate intense motivation. (jneurosci.org)
  • Is neuronal inhibition in nucleus accumbens required for such pharmacologically-induced motivations? (jneurosci.org)
  • Here we demonstrate that neuronal inhibition is necessary to generate appetitive or defensive motivations, using local optogenetic excitations to oppose putative DNQX-induced inhibitions. (jneurosci.org)
  • Neuronal production in the midbrain-hindbrain domain (MH) of the vertebrate embryonic neural tube depends on a progenitor pool called the `intervening zone' (IZ), located at the midbrain-hindbrain boundary. (biologists.com)
  • With simulations we identified a mechanistic link between functional connectivity, intelligence, processing speed and brain synchrony for trading accuracy with speed in dependence of excitation-inhibition balance. (nature.com)
  • Therefore, cognitive deficits in schizophrenia may result from a GABA synapse dysfunction that disturbs neural synchrony. (hindawi.com)
  • Shunting inhibition, also known as divisive inhibition, is a form of postsynaptic potential inhibition that can be represented mathematically as reducing the excitatory potential by division, rather than linear subtraction. (wikipedia.org)
  • FastICA was chosen as a method which tries to find new representations of data with minimal dependency between components without employing any kind of competition in the neural dynamics, but it enforces independent components via the learning rule. (frontiersin.org)
  • The present findings offer insights into the neural mechanisms linking inhibitory processes to affective responses. (ox.ac.uk)
  • Therefore, we compared four methods employing different competition mechanisms, namely, independent component analysis, non-negative matrix factorization with sparseness constraint, predictive coding/biased competition, and a Hebbian neural network with lateral inhibitory connections. (frontiersin.org)
  • Conditioning phenomena such as " blocking ", "relative validity", "correlational effects" and " conditioned inhibition " all suggested that associative mechanisms do not simply count co-occurrences but rather evaluate those co-occurrences in a broader context of the stream of events. (scholarpedia.org)
  • Finally, cell transplantation in a mouse stroke model will be used to study the mechanisms and efficacy of different types of hESC-derived neural cells in neural repair. (ca.gov)
  • We tested whether modulation of inhibition or excitation in the auditory cortex of male mice could evoke such a variety of effects in tone-evoked responses and in behavioral frequency discrimination acuity. (jneurosci.org)
  • Changes in neural population responses consistently predicted behavioral changes for individuals separately, including improvement and impairment in acuity. (jneurosci.org)
  • Here, we capitalized on differences between subjects to test whether suppressing/activating inhibition and excitation can in fact exhibit such paradoxical effects for both stimulus sensitivity and behavioral discriminability. (jneurosci.org)
  • Behavioral and neural threshold data were positively correlated in the high frequency noise exposure group. (cdc.gov)
  • The results were discussed with regard to hair cell loss and implications for behavioral and neural tuning in humans. (cdc.gov)
  • Enteric ganglion cells are derived from the neural crest during embryonic development. (medscape.com)
  • These findings suggest that the basic E/I imbalance model should be updated to higher-dimensional models that can better capture the multidimensional computational functions of neural circuits. (biorxiv.org)
  • The nervous system shows complex organization at many spatial scales: from genes and molecules, to cells and synapses, to neural circuits. (biorxiv.org)
  • These considerations imply that a more promising level of analysis might be at the level of neural circuits, since the explanatory gap between circuits and behavior is smaller than the gap between molecules and behavior. (biorxiv.org)
  • In this thesis, data from a multimodal CHR study were used to explore auditory oscillatory alterations in CHR individuals, assessed using MEG-recorded 40 Hz Auditory Steady State Response (ASSR) measures, with the aim to establish how deficits may account for early alterations in neural circuits in emerging psychosis. (gla.ac.uk)
  • Abbott, L.F. and Svoboda, K., editors (2020) Brain-wide Interactions Between Neural Circuits. (columbia.edu)
  • Neural collective oscillations have been observed in many contexts in brain circuits, ranging from ubiquitous $\gamma$-oscillations to $\theta$-rhythm in the hippocampus . (scholarpedia.org)
  • Mother-child neural synchronization is time linked to mother-child positive affective state matching. (medscape.com)
  • Bidirectional understanding and cooperation: interbrain neural synchronization during social navigation. (medscape.com)
  • This study used functional magnetic resonance imaging (fMRI) to investigate the neural mechanism mediating the relationship between inhibitory control and emotional devaluation. (ox.ac.uk)
  • In attempting to define the mechanism underlying this inhibition, we found that the scaffold proteins Dact1 and Dact2, which are expressed in pre-migratory NC cells, are required for NC delamination in Xenopus and chick embryos, whereas they do not affect the motile properties of migratory NC cells. (ucl.ac.uk)
  • Neuromodulation techniques apply repetitive magnetic or electrical stimulation to some neural target but significantly differ in their invasiveness, spatial selectivity, mechanism of action, and efficacy. (researchgate.net)
  • According to a generally accepted mechanism, inhibition of BMP signaling generates anterior neural tissue as a default pathway ( Nieuwkoop, 1952 ). (molcells.org)
  • Chung, S. and Abbott, L.F. (2021) Neural Population Geometry: An Approach for Understanding Biological and Artificial Neural Networks. (columbia.edu)
  • Consequently, the findings of the study confirm that neural responses to successful and unsuccessful inhibition can be contingent on the stimulus-specific attribute of age in both younger and older adults . (bvsalud.org)
  • Neural responses to instructed positive couple interaction: an fMRI study on compliment sharing. (medscape.com)
  • Vertebrate neurogenesis requires inhibition of endogenous bone morphogenetic protein (BMP) signals in the ectoderm. (molcells.org)
  • Early neurogenesis is initiated by inhibition of BMP signaling in the ectoderm by BMP antagonists expressed in Spemann's organizer region, resulting in anterior neural tissue formation ( Hemmati-Brivanlou and Melton, 1994 ). (molcells.org)
  • We study how different types of inhibitory interneurons are optimised for controlling neural codes. (gla.ac.uk)
  • In this study, Sur8 was severely repressed in the course of neural progenitor cell (NPC) differentiation in the cerebral cortex of developing rat embryos. (elsevierpure.com)
  • We will further characterize molecular changes during directed cell differentiation and identify the cells that exhibit a pattern of DNA modification, namely DNA methylation, similar to primary neural cells in human brain. (ca.gov)
  • Simple inhibition such as hyperpolarization has a subtractive effect on the depolarization caused by concurrent excitation, whereas shunting inhibition can in some cases account for a divisive effect. (wikipedia.org)
  • This has been shown theoretically as well as experimentally - inhibition has the same subtractive effect on firing rates whether it is of the shunting or hyperpolarizing variety. (wikipedia.org)
  • NMFSC uses a top-down, subtractive inhibition of the inputs to compute the outputs. (frontiersin.org)
  • Through the looking glass: the neural basis of self-concept in young adults with antisocial trajectories. (medscape.com)
  • However, it is unclear whether this onedimensional model is rich enough to capture the multiple neural circuit alterations underlying brain disorders. (biorxiv.org)
  • Combined, the results of this thesis provide evidence for complex, subtle neural circuit alterations in emerging psychosis, which can be captured non-invasively using the 40 Hz ASSR paradigm. (gla.ac.uk)
  • Sensory information is detected and transformed by sensory neural networks before reaching higher levels of processing. (mirknig.su)
  • Our group tries to unravel the neural coding strategies employed in the representation of sensory stimuli and memory storage. (gla.ac.uk)
  • Reuther, J , Chakravarthi, R & Martinovic, J 2021, ' Age-related changes in low and midlevel vision: assessing the information degradation and neural inhibition accounts ', Perception , vol. 50, no. 6, pp. 591-592. (elsevierpure.com)
  • We found that the xCyp26c gene, encoding a retinoic acid (RA) degradation enzyme, was upregulated following inhibition of BMP signaling in early neuroectodermal cells. (molcells.org)
  • Neural Network Methods in Natural Language Processing ��������: Neural Network Methods in Natural Language Processing �� : Yoav Goldberg ������������: Morgan & Claypool �� : 2017 ������ : 310. (mirknig.su)
  • Neural Computation (1997) 9 (3): 525-531. (mit.edu)
  • The analysis of a large amount of experimental data was carried out using an artificial neural network (ANN) programme for more accurate identification of pollutants as well as the estimation of their concentration. (shu.ac.uk)
  • The SPINUS program is a feed-forward neural network (FFNN) system developed over the last 8 years for the prediction of 1 H NMR properties from the molecular structure. (acs.org)
  • Latent inhibition: A neural network approach. (bvsalud.org)
  • Action in mind: A neural network approach to action recognition and segmentation [Doctoral thesis]. (lu.se)
  • Epilepsy is a neurological disorder characterised by an increased likelihood of recurrent seizures, which in turn are characterised by transient, pathological episodes of hypersynchronised neural activity resulting in a variety of behavioural symptoms. (springer.com)
  • Delamination of neural crest (NC) cells is a bona fide physiological model of epithelial-to-mesenchymal transition (EMT), a process that is influenced by Wnt/β-catenin signalling. (ucl.ac.uk)
  • reported that in-vivo BMP inhibition triggered at stage 5 not only expands the neural plate but also represses the neural crest marker. (molcells.org)
  • Clinical correlations of the resulting differential ReHo parameters between both states and clinical measures of tic frequency, voluntary tic inhibition and premonitory urges were also performed. (uni-luebeck.de)
  • Applied Neural Networks and Soft Computing ��������: Applied Neural Networks and Soft Computing �� : Ivan Stanimirovic ������������: Arcler Press ISBN: 1773613863 �� : 2018 (2019 Edition). (mirknig.su)
  • Neural Networks and Deep Learning: A Textbook ��������: Neural Networks and Deep Learning: A Textbook �� : Charu C. Aggarwal ������������: Springer �� : 2018 ������ : 497 ������: PDF, EPUB. (mirknig.su)
  • Blocking of BMPs in animal cap explants causes the formation of anterior neural tissues as a default fate. (molcells.org)
  • Chronic inflammation can result in edema, wallerian degeneration, and fibrotic changes to the neural tissues. (medscape.com)
  • Planning and inhibition in corvids [Doctoral thesis]. (lu.se)
  • Two tone inhibition was affected when either tone occurred in a frequency region in which there was a loss of sensitivity. (cdc.gov)
  • Neighborhood disadvantage, race/ethnicity and neural sensitivity to social threat and reward among adolescents. (medscape.com)
  • However, it is unclear whether anterior neural tissue produced by inhibition of BMP is simply generated by a default pathway of pre-existing intracellular molecules or by the newly expressed posterior modifier inhibition molecules. (molcells.org)
  • Second, patients were examined with resting state functional magnetic resonance imaging (RS-fMRI) in two states, free ticcing and voluntary tic inhibition. (uni-luebeck.de)
  • Conditioned inhibition is described as a stimulus with a negative \(V\) which therefore reduces the total positive associative strength on a trial. (scholarpedia.org)
  • Here, we elucidate the pattern of activation of NF-κB in the pathology of SCI in rats and investigate the effect of transplantation of spinal neural precursors (SPC-01) on its activity and related astrogliosis. (biomedcentral.com)
  • The radicular LBP caused by spinal stenosis is probably related to the inhibition of normal nerve root vascular flow with resultant nerve root nutrition, nerve root edema, and nerve root dysfunction. (medscape.com)
  • If functional recovery of patients with schizophrenia depends on improving cognitive deficits, then understanding the neural basis of the normal cognitive operations that are impaired in schizophrenia is crucial to develop new therapies. (hindawi.com)
  • We propose the hypothesis that the features of autism associated with weak central coherence result from a reduction in the integration of specialized local neural networks in the brain caused by a deficit in temporal binding. (neurotransmitter.net)
  • Two prominent models attribute the latter either to a reduction in neural inhibition or to an increase in neural noise. (elsevierpure.com)
  • Our ultimate aim is to discover fundamental neural coding principles underlying perception and memory. (gla.ac.uk)
  • Exploring Neural Networks with C# ��������: Exploring Neural Networks with C# �� : Ryszard Tadeusiewicz, Rituparna Chaki, Nabendu Chaki ������������: CRC Press �� : 2015 ������: PDF. (mirknig.su)
  • Neural Networks: Neural Networks Tools and Techniques for Beginners ��������: Neural Networks: Neural Networks Tools and Techniques for Beginners �� : John Slavio ������������: CreateSpace Independent Publishing. (mirknig.su)
  • Akira Hirose ????????: Complex-Valued Neural Networks: Advances and Applications ������������: Wiley-IEEE Press �� : 2013 ISBN: 9781118344606. (mirknig.su)
  • The same manipulations sometimes produced opposite changes in the behavior of different individuals, supporting theoretical predictions for inhibition-stabilized networks. (jneurosci.org)
  • Ensembles of FFNNs were incorporated into Associative Neural Networks (ASNN), which correct a prediction on the basis of the observed errors for the k nearest neighbors in an additional memory. (acs.org)
  • Initial pool of proton descriptors, selected descriptors used as input to the final neural networks, and spectroscopic data for compound 1 . (acs.org)
  • Neural encoding of novel social networks: evidence that perceivers prioritize others' centrality. (medscape.com)
  • Richardson R , 2015 , 'The development of fear and its inhibition: Knowledge gained from preclinical models. (edu.au)
  • The principal aim of Dr. Liu's research is to evaluate the reversal effects of selected chemicals on anesthetic-induced neural cell damage. (fda.gov)
  • Transplantation of SCI-01 cells resulted in significant downregulation of TNF-α production at 10 and 14 days after SCI and in strong inhibition of p65 NF-κB activity at 28 days after SCI, mainly in the gray matter. (biomedcentral.com)
  • The results of this study demonstrate strong immunomodulatory properties of SPC-01 cells based on inhibition of a major signaling pathway. (biomedcentral.com)
  • Beneficial effect on dendrites in neural cells was detectable already before any aggregates or fibrils were detectable. (lu.se)