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Differentiable Causal Computations via Delayed Trace
[article]
2019
arXiv
pre-print
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We model these in category theory via a construction taking a Cartesian category C to another category St(C) with a novel trace-like operation called "delayed trace", which misses yanking and dinaturality ...
We investigate causal computations taking sequences of inputs to sequences of outputs where the nth output depends on the first n inputs only. ...
We model these in category theory via a construction taking a Cartesian category C to another category St(C) with a novel trace-like operation called "delayed trace", which misses yanking and dinaturality ...
arXiv:1903.01093v1
fatcat:si6vhlhhjfbvlff4oq6tj66srq
Interhemispheric transfer of working memories
[article]
2020
biorxiv/medrxiv
pre-print
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Transferred traces initially used different neural ensembles from feedforward-induced ones but they converged at the end of the delay. ...
An instructed saccade during the WM delay shifted the remembered location from one hemifield to the other. ...
For this analysis only, LFP spectra were computed around the putative trace transfer period (-1 to -0.5 s relative to delay end) via the multitaper method (4 Hz frequency bandwidth, 3 dpss tapers). ...
doi:10.1101/2020.08.12.248203
fatcat:z34hfne4ojbzhe3wgl6vydqkbe
Non-linear motor control by local learning in spiking neural networks
[article]
2017
arXiv
pre-print
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We choose a network architecture, termed differential feedforward, that gives the lowest test error from different feedforward and recurrent architectures. ...
Connection weights are adjusted via a local plasticity rule that involves pre-synaptic firing and post-synaptic feedback of the error in the inferred command. ...
For different values of differential delay ∆ and causal torque delay ∆u, we learned the inverse model using the differential feedforward network, having 200 neurons in each of the undelayed and delayed ...
arXiv:1712.10158v1
fatcat:3xukyjzlanfgxabxj7qym3qvke
A tissue-aware machine learning framework enhances the mechanistic understanding and genetic diagnosis of Mendelian and rare diseases
[article]
2021
bioRxiv
pre-print
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A webserver supporting gene prioritization is available at https://netbio.bgu.ac.il/trace/. ...
To mimic the input to TRACE per tissue, pBRIT was applied to the same distinct subsets that were used in TRACE. pBRIT was run via its web interface, by using the data fusion method of 'TFIDF'. ...
Next, we created another feature per tissue where each gene was assigned with the median ratio computed across samples of that tissue. Differential process activity features. ...
doi:10.1101/2021.02.16.430825
fatcat:lllxhii55fdhzemxmyfbyikk6q
E2EProf: Automated End-to-End Performance Management for Enterprise Systems
2007
37th Annual IEEE/IFIP International Conference on Dependable Systems and Networks (DSN'07)
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across distributed and heterogeneous computing infrastructures. ...
Distributed systems are becoming increasingly complex, caused by the prevalent use of web services, multi-tier architectures, and grid computing, where dynamic sets of components interact with each other ...
Despite inaccurate delay computation, the service paths computed above are still useful in detecting causal dependencies across different components. ...
doi:10.1109/dsn.2007.38
dblp:conf/dsn/AgarwalaASM07
fatcat:btgcautobvhtlkulowbkofygp4
Cerebellar Purkinje cells can differentially modulate coherence between sensory and motor cortex depending on region and behavior
2020
Proceedings of the National Academy of Sciences of the United States of America
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Granger causality analyses and computational modeling of the involved networks suggest that Purkinje cells control S1–M1 phase consistency predominantly via ventrolateral thalamus and M1. ...
These effects are absent when Purkinje cell activation is delayed by 20 ms. ...
Granger causality analyses and computational modeling of the involved networks suggest that Purkinje cells control S1-M1 phase consistency predominantly via ventrolateral thalamus and M1. ...
doi:10.1073/pnas.2015292118
pmid:33443203
fatcat:xc2edml2lvfvzimwtkhvkyzv4q
Cerebellar Purkinje cells can differentially modulate coherence between sensory and motor cortex depending on region and behavior
[article]
2020
biorxiv/medrxiv
pre-print
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Granger causality analyses and computational modeling of the involved networks suggest that Purkinje cells control S1-M1 coherence most prominently via the ventrolateral thalamus and M1. ...
This impact only occurred when Purkinje cell stimulation was given simultaneously with sensory stimulation; a 20 ms delay was sufficient to alleviate its impact, suggesting the existence of a fast, cerebellar ...
Granger causality analyses and computational modeling of the involved networks suggest that Purkinje cells control S1-M1 phase consistency predominantly via ventrolateral thalamus and M1. ...
doi:10.1101/2020.03.11.986943
fatcat:6wktmm7xobhaflywi232pthzca
Performance debugging for distributed systems of black boxes
2003
ACM SIGOPS Operating Systems Review
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One uses timing information from RPC messages to infer inter-call causality; the other uses signal-processing techniques. Our algorithms can ascribe delay to specific nodes on specific causal paths. ...
We have developed two very different algorithms for inferring the dominant causal paths through a distributed system from these traces. ...
ACKNOWLEDGEMENTS We wish to thank Steve Langdon for inspiring this research; Hank Jakiela, Whit Turner, and Richard LaPerle for their assistance in trace collection; Emre Kiciman for providing and helping ...
doi:10.1145/1165389.945454
fatcat:3olyp542pbgsplpf5xggutloru
Performance debugging for distributed systems of black boxes
2003
Proceedings of the nineteenth ACM symposium on Operating systems principles - SOSP '03
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One uses timing information from RPC messages to infer inter-call causality; the other uses signal-processing techniques. Our algorithms can ascribe delay to specific nodes on specific causal paths. ...
We have developed two very different algorithms for inferring the dominant causal paths through a distributed system from these traces. ...
ACKNOWLEDGEMENTS We wish to thank Steve Langdon for inspiring this research; Hank Jakiela, Whit Turner, and Richard LaPerle for their assistance in trace collection; Emre Kiciman for providing and helping ...
doi:10.1145/945453.945454
fatcat:nj3tdphykbdvzhi7jjsal7645i
Performance debugging for distributed systems of black boxes
2003
Proceedings of the nineteenth ACM symposium on Operating systems principles - SOSP '03
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One uses timing information from RPC messages to infer inter-call causality; the other uses signal-processing techniques. Our algorithms can ascribe delay to specific nodes on specific causal paths. ...
We have developed two very different algorithms for inferring the dominant causal paths through a distributed system from these traces. ...
ACKNOWLEDGEMENTS We wish to thank Steve Langdon for inspiring this research; Hank Jakiela, Whit Turner, and Richard LaPerle for their assistance in trace collection; Emre Kiciman for providing and helping ...
doi:10.1145/945445.945454
dblp:conf/sosp/AguileraMWRM03
fatcat:bebbtgra6bgj7iamnqysdiawy4
Overview of Signal Integrity and EMC Design Technologies on PCB: Fundamentals and Latest Progress
2013
IEEE transactions on electromagnetic compatibility (Print)
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Another interesting research direction is on the design of the differential serpentine delay line, which is a common layout technique to equalize the timing delay among different pairs of differential ...
Recently, a physics-based via model was proposed with reasonable accuracy and computing efficiency [108] - [112] . ...
doi:10.1109/temc.2013.2257796
fatcat:zgv4k5njczes3i5lze7dejus2i
Conditioning, awareness, and the hippocampus
1998
Hippocampus
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It is clear that trace eyeblink conditioning is a hippocampaldependent task, but whether awareness is a necessary component of trace conditioning is not definitively proven. ...
A recent proposal that the hippocampus mediates awareness during trace conditioning (Clark, Squire, Science 1998;280:77-81) has extended the awareness-conditioning debate to the neuroscience arena. ...
may interact with differential conditioning, even in a delay paradigm. ...
doi:10.1002/(sici)1098-1063(1998)8:6<620::aid-hipo4>3.3.co;2-y
pmid:9882019
fatcat:t7vhdyzgj5dp7psyfbgnyyfn34
Conditioning, awareness, and the hippocampus
1998
Hippocampus
Preserved Fulltext
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The file type is application/pdf.
It is clear that trace eyeblink conditioning is a hippocampaldependent task, but whether awareness is a necessary component of trace conditioning is not definitively proven. ...
A recent proposal that the hippocampus mediates awareness during trace conditioning (Clark, Squire, Science 1998;280:77-81) has extended the awareness-conditioning debate to the neuroscience arena. ...
may interact with differential conditioning, even in a delay paradigm. ...
doi:10.1002/(sici)1098-1063(1998)8:6<620::aid-hipo4>3.0.co;2-6
pmid:9882019
fatcat:toeujqj5gran3fipq3xru7impi
Inferring Excitatory and Inhibitory Connections in Neuronal Networks
2021
Entropy
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The method is tested on in silico small neuronal networks, built to simulate the calcium activity as measured via calcium imaging in two-dimensional neuronal cultures. ...
To efficiently disentangle the excitatory and inhibitory neural activities, in the article we present a revised version of TE, split in two contributions and characterized by a suited delay time. ...
Calcium traces are computed by a convolution of the computed spike train with a calcium response kernel. (C) Calcium traces (black and gray) after down-sampling at 10 ms bin size and noise addition. ...
doi:10.3390/e23091185
pmid:34573810
fatcat:nimnhdkzmjcjfasagi65sviyjm
LEADSTO: A Language and Environment for Analysis of Dynamics by SimulaTiOn
[chapter]
2005
Lecture Notes in Computer Science
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of traces. ...
Based on the LEADSTO language, a software environment was developed that performs simulations of LEADSTO specifications, generates simulation traces for further analysis, and constructs visual representations ...
Restrictions on delays The parameters g and h are time intervals, they must be >= 0. The algorithm allows only causal rules, e,f >= 0. ...
doi:10.1007/11504894_51
fatcat:p2ukmfox6nbwjia3t2otgs3fou
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