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1988
The Hastings center report
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For example, responses to sinusoidal signals are phase shifted with a phase and amplitude that are roughly independent of frequency. ...
How can the visual system detect whether and when a sparse signal occurs in an array of noisy detectors? ...
and the relevant physiological and anatomical data from frontal cortices (Platt and Glimcher, 1998; and see below). ...
doi:10.1002/j.1552-146x.1988.tb03932.x
fatcat:bkotcyah2ngbfdk4kbx3xnf5v4
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
29th Annual Computational Neuroscience Meeting: CNS*2020
2020
BMC Neuroscience
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It suggests a massive loss of non-selected information from V1 downstream along the visual pathway. ...
hardware from scratch. ...
Acknowledgements: This research is funded by the National Science Foundation (grants #1822517 and #1921515 to SJ), the National Institute of Mental Health (grant #MH117488 to SJ), the California Nano-Systems ...
doi:10.1186/s12868-020-00593-1
pmid:33342424
fatcat:edosycf35zfifm552a2aogis7a
Duration modeling with hidden Markov models
1993
Journal of the Acoustical Society of America
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Some primary and secondary characteristics of vowels were measured: duration, fundamental frequency and the frequencies of F1 and F2. ...
Due to the highly repeatable nature of reverberation from the ice canopy, high source strength, and the gain of the receiver array, this processing is shown to be capable of unambiguously estimating the ...
Hz cycles in f0 ("tremor"), and ! ...
doi:10.1121/1.407916
fatcat:6oae5i4nxva63mnleko5dr3acm
Prediction of noise in ships by the application of "statistical energy analysis."
1979
Journal of the Acoustical Society of America
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A comparison of acoustic sounder returns and C•r estimated from meteorological parameters. ...
The signals were time limited to 200 •s (0.6-2.0 X) by the arrival of the diffracted signal from the panel edges. ...
Third, the intensity required to mask pulsed, 5004 and 4000-Hz test signals at 10-dB sensation level was measured with sinusoidal masker of five adjacent frequencies [psychoacoustical tuning curves]. ...
doi:10.1121/1.2017799
fatcat:5ysuka7wgjg25o5xewownrtb2q
Brain Rhythm Fluctuations: Envelope-Phase Modeling and Phase Synchronization
2021
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Rather they are noisy and appear as short and random epochs of sustained activity called bursts. ...
In this thesis, we propose theoretical models of noisy oscillations in the gamma and beta bands with the same properties as those observed in in \textit{vivo}. ...
or to lower frequency essential tremors. ...
doi:10.20381/ruor-26338
fatcat:mtky2tpnzvdazjxgg3k6ftjzia
Optimal Control and Synchronization of Dynamic Ensemble Systems
2014
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By using an input of appropriate frequency, entrainment of a given ensemble F may be achieved using a biased sinusoid of the form u(t) = b 0 + b 1 sin(Ω f t) with appropriate constants b 0 , b 1 , and ...
operator theory, and numerical linear algebra. ...
for the expansion order r to be appropriately chosen such that a 2 n + b 2 n > δ Z for r ≤ n, and any order n for which a 2 n +b 2 n = 0 occurs to be omitted from the approximation. ...
doi:10.7936/k75b00jd
fatcat:d6mcway47bdffguzdluw7rvjkm
Fluctuations and synchronization in complex physiological systems
[article]
2018
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Let us assume a sinusoidal trigger signal X without noise and a target signal Y that only contains the absolute value of X, yielding a frequency doubling. ...
(1.6) 1.9b) Note that in the estimators in Eqs. (1.9) are biased due to the normalization by N rather than by the 'correct' number of summands, N − s. ...
One amplitude and one frequency signal are generated from each of the six {three} EEG recordings considering six frequency bands at a time. ...
doi:10.25673/192
fatcat:xjevmrnzdzet7cf32456qjmmdq
Decomposition methods for the fusion of multimodal neuroimaging data
[article]
2015
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every aspect of cognition and play an important role in clinical settings. ...
However, current state-of-the-art methods for the extraction and multimodal fusion of such oscillatory neural activity fall short in a number of aspects which so far have been largely overlooked by the ...
for instance in clarifying the neuronal generators of tremor in patients with Parkinson's Disease (Wichmann and Delong, 2011) . ...
doi:10.14279/depositonce-4683
fatcat:wdoow7pmorfmfmmpkutfsfp5oi
Detection of epileptiform activity in the electroencephalogram using artificial neural networks
[article]
2012
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A system for automated detection of epileptiform activity in the electroencephalogram (EEG) has been developed and tested on prerecorded data from a range of patients. ...
The human brain is overviewed in terms of its structure, organisation and function. Simplistic mathematical modelling of the neural network of the brain is discussed and ANNs are introduced. ...
ACKNOWLEDGEMENTS During the course of my research and thesis preparation I have received much support, encouragement, advice and assistance from many people and to this end I am deeply grateful to them ...
doi:10.26021/2767
fatcat:x6usaakhavfghoua4mg6elmmg4