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Synaptic depression and facilitation can induce motion aftereffects in an excitable membrane model of visual motion processing
2002
Neurocomputing
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Repeated application of moving stimuli to such a system may lead to depression and facilitation of connections in the membrane. ...
This effect may be used to model translational and rotational motion aftereffects in visual cortex. ...
Insert Figure 4 Here The existence of synaptic depression and facilitation in this excitable membrane model of motion detection can therefore give rise to both translational and rotational motion aftereffects ...
doi:10.1016/s0925-2312(02)00346-6
fatcat:zgmpb5dd75cunjlb3hyoqbctnu
Information-Based Approaches of Noninvasive Transcranial Brain Stimulation
2016
Trends in Neurosciences
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However, in their multitude of parameters, and by coupling them with behavioral manipulations, NTBS protocols can reach the specificity of imaging techniques. ...
For example, administering concurrent or preceding tasks can be used to induce differential sensitivity in neuronal subpopulations in the target area to the same NTBS intervention [6, 7] . ...
Aftereffects were measured in terms of changes to the excitability of the motor cortex, assessed by measuring TMS-induced motor-evoked potentials (MEPs). ...
doi:10.1016/j.tins.2016.09.001
pmid:27697295
fatcat:xjj3xqzvbvdhvhnbuyf76whzua
Noninvasive brain stimulation: from physiology to network dynamics and back
2013
Nature Neuroscience
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Still, evidence accumulated from animal models, sophisticated experimental designs involving neuropharmacological manipulations in humans, and the combination of NIBS with Reprints and permissions information ...
Despite the unquestionable contribution of NIBS to cognitive, systems and translational neuroscience, the specific underlying mechanisms of stimulation-induced behavioral and physiological effects remain ...
Repetitive electrical stimulation of adult hippocampus in in vitro animal models induces NMDA receptordependent long-term potentiation (LTP) or depression (LTD) 38, 39 . ...
doi:10.1038/nn.3422
pmid:23799477
pmcid:PMC4876726
fatcat:zntt4mdqpvhbpjqvkdbztumviq
Neck Proprioception Shapes Body Orientation and Perception of Motion
2014
Frontiers in Human Neuroscience
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Neck vibration also induces persistent aftereffects on the SSA and on self-motion perception of vestibular origin. ...
In addition, an attempt has been made to conjointly discuss the effects of unilateral neck proprioception on motion perception, SSA, and walking trajectory. ...
In man, motion perception can be estimated by having standing subjects oscillate in the yaw plane in the dark, and tracking with a pointer the remembered position of an earthfixed visual target. ...
doi:10.3389/fnhum.2014.00895
pmid:25414660
pmcid:PMC4220123
fatcat:fqzjllva3zfxbeowj4iyhdmn3y
Repetition and the brain: neural models of stimulus-specific effects
2006
Trends in Cognitive Sciences
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Here, we consider three models that have been proposed to account for repetition-related reductions in neural activity, and evaluate them in terms of their ability to account for the main properties of ...
† In what time scale does facilitation occur? † Does facilitation require interactions between different brain regions, in particular feedback? ...
We would like to thank Steve Gotts for many helpful conversations, Rory Sayres and Sven Heinrich for contributing to Figure 2 , and Thomas Gruber for contributing Figure 3 . ...
doi:10.1016/j.tics.2005.11.006
pmid:16321563
fatcat:lo2nbfucpfgvnaqe3gnkl2u4vu
Inferring Causality from Noninvasive Brain Stimulation in Cognitive Neuroscience
2020
Journal of Cognitive Neuroscience
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and eventually results in a change of the behavioral measure. ...
brain tissue, which then evokes or modulates neuronal activity both locally in the target region and in connected remote sites of the network, which in consequence affects the cognitive function of interest ...
Inducing Aftereffects (Offline) in Local Neuronal Excitability Based on Synaptic Plasticity Repetitive TMS (rTMS) or prolonged TDCS can produce transient changes in neuronal excitability, mediated by synaptic ...
doi:10.1162/jocn_a_01591
pmid:32530381
fatcat:f2p3lmudj5brzdsyocoqy3mxia
Cellular analogs of visual cortical epigenesis. I. Plasticity of orientation selectivity
1992
Journal of Neuroscience
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Optimality of these rules of synaptic plasticity has been discussed in the context of associative memory models (Willshaw and Dayan, 1990) . ...
lasting several hours, and the possibility of nonassociative changes affecting cellular excitability and/or membrane potentials mean that simultaneous comparison of visually evoked responses for two different ...
doi:10.1523/jneurosci.12-04-01280.1992
pmid:1556597
fatcat:rhgw6tek3bhstmmdka3zpz4n6i
Extraction of spatio-temporal primitives of emotional body expressions
2007
Neurocomputing
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After adaptation to a moving stimulus, the model exhibits both motion aftereffects (illusory motion for a static test pattern, also known as the waterfall illusion or MAE) and the direction aftereffect ...
jsardid@umh.es,xjwang@brandeis.edu The two main areas involved in visual motion processing in the visual cortex are the primary visual area V1 and the middle temporal area MT. ...
doi:10.1016/j.neucom.2006.10.100
fatcat:esivhljzsbcihdl5qbp756josu
Non-invasive Brain Stimulation: A Paradigm Shift in Understanding Brain Oscillations
2018
Frontiers in Human Neuroscience
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These findings likely translate to humans as comparable effects can be observed in human and animal studies. Neural entrainment and plasticity are suggested to mediate the behavioral effects of tACS. ...
We outline how tACS can impact human brain oscillations by employing different levels of observation from non-invasive tACS application in healthy volunteers and intracranial recordings in patients to ...
Plasticity-induced aftereffects of tACS can relate to different parameters of an internal oscillation. ...
doi:10.3389/fnhum.2018.00211
pmid:29887799
pmcid:PMC5980979
fatcat:eyrd4ehn5ff2pghgmcoi4ccb6e
Electrified minds: Transcranial direct current stimulation (tDCS) and Galvanic Vestibular Stimulation (GVS) as methods of non-invasive brain stimulation in neuropsychology—A review of current data and future implications
2010
Neuropsychologia
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A number of open research questions that could be addressed with tDCS or GVS are formulated in the domains of sensory and motor processing, spatial and nonspatial attention including neglect, spatial cognition ...
Transcranial direct current stimulation (tDCS) is a noninvasive, low-cost and easy-to-use technique that can be applied to modify cerebral excitability. ...
Heywood and Dr. Thomas Schenk (both at Durham University, UK) and two anonymous reviewers, for their helpful comments on an earlier version of the manuscript. ...
doi:10.1016/j.neuropsychologia.2010.06.002
pmid:20542047
fatcat:yi55zidcuzh3repup7nyfzmjye
Vestibular Oriented Research Meeting, February 16 – 17, 2021
2021
Journal of Vestibular Research-Equilibrium & Orientation
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The motion sick individual can attest to the reality of this symptom set. In some patients symptoms of nausea are the sole complaint. ...
It is understood that the silent vestibular system can also produce an autonomic symptom set which can override clinical signs. ...
Dopamine is a candidate efferent neurotransmitter in the vestibular system and we investigated the effect of dopamine on Na + currents in calyces. ...
doi:10.3233/ves-200006
pmid:33814478
fatcat:fgt5aiqdbrf6dozzorzuw576d4
Studying and modifying brain function with non-invasive brain stimulation
2018
Nature Neuroscience
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These methods allow non-invasive and safe modulation of neural processes in the healthy brain, enabling researchers to directly study how experimentally altered neural activity causally affects behavior ...
This unique property of NIBS methods has, on the one hand, led to groundbreaking findings on the brain basis of various aspects of behavior and has raised interest in possible clinical and practical applications ...
For instance, 10-Hz tACS applied over the motion sensitive area (MT) attenuates visual motion adaptation in humans 8 and reduces spike-frequency adaptation of MT neurons in macaques 9 . ...
doi:10.1038/s41593-017-0054-4
pmid:29311747
fatcat:fdqwfjyburcyjc2hew6euqe4zq
Multiple Motor Learning Processes in Humans: Defining Their Neurophysiological Bases
2020
The Neuroscientist
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In particular, we will extensively review two types of behavioral processes described in human sensorimotor learning: (1) a recalibration process of a previously learned movement and (2) acquiring an entirely ...
For instance, humans are capable of acquiring new motor patterns via the formation of internal model representations of the movement dynamics and through positive reinforcement. ...
Animal works have demonstrated that tDCS can alter the resting membrane potential of neurons and induce excitability changes in spontaneous neuronal discharges and evoked potential amplitudes for up to ...
doi:10.1177/1073858420939552
pmid:32713291
fatcat:j6eps3w4qnd4jhxtumbrtfhdke
25th Annual Computational Neuroscience Meeting: CNS-2016
2016
BMC Neuroscience
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I will discuss theoretical results that point to functional advantages of splitting neural populations into subtypes, both in feedforward and recurrent networks. ...
Part of this complexity is related to the number of different cell types that work together to encode stimuli. ...
Acknowledgements: The work of JB, RG, and SMC was supported in part by R01MH1006674 from the National Institutes of Health. ...
doi:10.1186/s12868-016-0283-6
pmid:27534393
pmcid:PMC5001212
fatcat:bt45etzj2bbolfcxlxo7hlv6ju
Best of both worlds: promise of combining brain stimulation and brain connectome
2014
Frontiers in Systems Neuroscience
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Most applications of this technique have focused on enhancing motor and learning skills, as well as a therapeutic agent in neurological and psychiatric disorders. ...
In this review article, we argue in favor of combining tCS method with other neuroimaging techniques (e.g., fMRI, EEG) and by employing state-of-the-art connectivity data analysis techniques (e.g., graph ...
This publication reflects the views only of the authors, and the European Commission cannot be held responsible for any use which may be made of the information contained therein. Michael J. ...
doi:10.3389/fnsys.2014.00132
pmid:25126060
pmcid:PMC4115621
fatcat:6b4f44ythjhhbfemwoc2s4jkji
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