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Synchrony detection in neural assemblies
Biological Cybernetics, 1994The identification of synchronously active neural assemblies in simultaneous recordings of neuron activities is an important research issue and a difficult algorithmic problem. A gravitational analysis method has been developed to detect and identify groups of neurons that tend to generate action potentials in near-synchrony from among a larger ...
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Synchrony measures for biological neural networks
Biological Cybernetics, 1995Synchronous firing of a population of neurons has been observed in many experimental preparations; in addition, various mathematical neural network models have been shown, analytically or numerically, to contain stable synchronous solutions. In order to assess the level of synchrony of a particular network over some time interval, quantitative measures
Paul F. Pinsky, John Rinzel
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Dynamics of neural populations: Stability and synchrony
Network: Computation in Neural Systems, 2006A population formulation of neuronal activity is employed to study an excitatory network of (spiking) neurons receiving external input as well as recurrent feedback. At relatively low levels of feedback, the network exhibits time stationary asynchronous behavior.
Lawrence, Sirovich +2 more
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Synchrony and Asynchrony in a Fully Stochastic Neural Network
Bulletin of Mathematical Biology, 2008We describe and analyze a model for a stochastic pulse-coupled neural network, in which the randomness in the model corresponds to synaptic failure and random external input. We show that the network can exhibit both synchronous and asynchronous behavior, and surprisingly, that there exists a range of parameters for which the network switches ...
Deville, R. E. Lee, Peskin, Charles S.
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Neural Synchrony as a Binding Mechanism
2001Binding operations, the dynamic establishment of semantic relations between distributed computational results, are key functions of cognitive processes in the brain. A common binding strategy is anatomical convergence of feature-encoding neurons onto conjunction-specific cells that respond only if the respective constellation of features is present. It
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1986
Point of departure are experimental data acquired by simultaneous recording of the activity of a number (2–16) of individual neurons during presentation of a sensory stimulus. The area under investigation is the auditory midbrain (Torus semicircularis) of the immobilized grassfrog (Rana temporaria L.).
Johannesma, P. +4 more
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Point of departure are experimental data acquired by simultaneous recording of the activity of a number (2–16) of individual neurons during presentation of a sensory stimulus. The area under investigation is the auditory midbrain (Torus semicircularis) of the immobilized grassfrog (Rana temporaria L.).
Johannesma, P. +4 more
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Assessing Neural Synchrony in Tutoring Dyads
2014The current study examined synchronous psychophysiological monitoring across a tutor and tutee during a spatial reasoning video game, Tetris®. We hypothesized that increased synchrony across tutor-tutee would correlate with increased performance (i.e. increased learning.
Bradly Stone +3 more
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Neural Synchrony and Neural Plasticity in Tinnitus
20111. Most individuals with chronic tinnitus have high-frequency hearing loss, induced by noise exposure, otological disease, or the aging process. Physiological evidence suggests that in such individuals, tinnitus is likely caused not by irritative processes that persist in the ear after cochlear injury, but by changes that occur in central auditory ...
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Feedback suppression of neural synchrony
AIP Conference Proceedings, 2007A method for suppression of collective synchrony in a population of globally coupled units is presented. The desynchronization is achieved by organizing an interaction between the ensemble and a passive oscillator; this is accomplished by a feedback technique.
Natalia Tukhlina +3 more
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The loss of neural synchrony in the post septic brain
Clinical Neurophysiology, 2016Survivors of sepsis often develop long-term neuropsychological malfunctions, which can be reversible to a certain extent. The following study aimed to investigate whether this recovery is due to a loss in neural synchrony by regarding the response to a given frequency.Magnetoencephalography measurements were conducted in 36 survivors of severe sepsis ...
Götz, Theresa +9 more
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