Articles with "theta" as a keyword



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The role of hippocampal theta oscillations in working memory impairment in multiple sclerosis

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Published in 2020 at "Human Brain Mapping"

DOI: 10.1002/hbm.25299

Abstract: Working memory (WM) problems are frequently present in people with multiple sclerosis (MS). Even though hippocampal damage has been repeatedly shown to play an important role, the underlying neurophysiological mechanisms remain unclear. This study aimed… read more here.

Keywords: multiple sclerosis; theta; working memory; role ... See more keywords
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Properties and hemispheric differences of theta oscillations in the human hippocampus

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Published in 2022 at "Hippocampus"

DOI: 10.1002/hipo.23412

Abstract: The left and right primate hippocampi (LH and RH) are thought to support distinct functions, but little is known about differences between the hemispheres at the neuronal level. We recorded single‐neuron and local field potentials… read more here.

Keywords: properties hemispheric; human hippocampus; hippocampus; hippocampus properties ... See more keywords
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Muscarinic and N‐methyl‐D‐aspartate receptor blockade reveal differences in hippocampal local field potentials in mice with low cholinergic tone

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Published in 2022 at "Hippocampus"

DOI: 10.1002/hipo.23462

Abstract: We hypothesize that hippocampal local field potentials in acetylcholine (ACh)‐deficient mutant mice, compared to wild‐type (WT) mice, will show lower sensitivity to muscarinic cholinergic antagonist scopolamine (5 mg/kg i.p.) but higher sensitivity to NMDA receptor antagonist… read more here.

Keywords: theta; power; scopolamine; gamma ... See more keywords
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A potential entanglement between the spinal cord and hippocampus: Theta rhythm correlates with neurogenesis deficiency following spinal cord injury in male rats

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Published in 2020 at "Journal of Neuroscience Research"

DOI: 10.1002/jnr.24719

Abstract: Cognitive deficits due to spinal cord injury (SCI) have been elucidated in both animals and humans with SCI. Such disorders may cause concomitant oscillatory changes in regions of the brain involving in cognition; a subject… read more here.

Keywords: theta; sci; theta rhythm; spinal cord ... See more keywords
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Do you like it or not? Identifying preference using an electroencephalogram during the viewing of short videos.

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Published in 2023 at "PsyCh journal"

DOI: 10.1002/pchj.645

Abstract: Accurately predicting whether a short video will be liked by viewers is a topic of interest to media researchers. This study used an electroencephalogram (EEG) to record neural activity in 109 participants as they watched… read more here.

Keywords: short videos; indexed lower; lower beta; theta ... See more keywords
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Effects of Ketamine and Midazolam on Simultaneous EEG/fMRI Data During Working Memory Processes.

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Published in 2021 at "Brain topography"

DOI: 10.1007/s10548-021-00876-8

Abstract: Reliable measures of cognitive brain activity from functional neuroimaging techniques may provide early indications of efficacy in clinical trials. Functional magnetic resonance imaging and electroencephalography provide complementary spatiotemporal information and simultaneous recording of these two… read more here.

Keywords: theta; effects ketamine; bold signal; midazolam simultaneous ... See more keywords
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Investigation of Mass and Regge Trajectories of Heavy Pentaquarks

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Published in 2017 at "International Journal of Theoretical Physics"

DOI: 10.1007/s10773-017-3386-7

Abstract: The higher state masses of the heavy pentaquarks ????c0,Nc0,Ξc0${\theta _{c}^{0}}, {N_{c}^{0}}, {{\Xi }_{c}^{0}}$ and ????b+,Nb+,Ξb+$\theta _{b}^{+}, N_{b}^{+}, {\Xi }_{b}^{+}$ have been investigated in diquark-diquark-antiquark configuration where the lightquarks combine to form a diquark and the… read more here.

Keywords: heavy pentaquarks; theta; mass; regge trajectories ... See more keywords
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Extremal properties of conditional entropy and quantum discord for XXZ, symmetric quantum states

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Published in 2017 at "Quantum Information Processing"

DOI: 10.1007/s11128-017-1701-0

Abstract: For the XXZ subclass of symmetric two-qubit X states, we study the behavior of quantum conditional entropy $$S_{cond}$$Scond as a function of measurement angle $$\theta \in [0,\pi /2]$$θ∈[0,π/2]. Numerical calculations show that the function $$S_{cond}(\theta… read more here.

Keywords: theta; quantum; quantum discord; conditional entropy ... See more keywords
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Sextic reciprocal monogenic dihedral polynomials

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Published in 2020 at "Ramanujan Journal"

DOI: 10.1007/s11139-020-00310-w

Abstract: Let $$D_n$$ denote the dihedral group of order 2n. We find infinite $$D_6$$ -families and an infinite $$D_3$$ -family of monic irreducible reciprocal sixth-degree polynomials $$f(x)\in \mathbb {Z}[x]$$ , such that $$\{1,\theta ,\theta ^2,\theta ^3,\theta… read more here.

Keywords: dihedral polynomials; theta theta; theta; reciprocal monogenic ... See more keywords
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Bases for Structures and Theories I

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Published in 2020 at "Logica Universalis"

DOI: 10.1007/s11787-020-00257-y

Abstract: In Part I of this paper (Ketland in Logica Universalis 14:357–381, 2020), I assumed we begin with a (relational) signature $$P = \{P_i\}$$ and the corresponding language $$L_P$$ , and introduced the following notions: a… read more here.

Keywords: structures theories; theta; set phi; representation basis ... See more keywords
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Ranks of Cross-Commutators and Unitary Module Maps

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Published in 2018 at "Computational Methods and Function Theory"

DOI: 10.1007/s40315-018-0239-1

Abstract: Let M be an invariant subspace of $$H^2$$H2 over the bi-disk and $$N=H^2\ominus M$$N=H2⊖M. Let $$S_{z,N},S_{w,N}$$Sz,N,Sw,N be the compression of the multiplication operators $$T_z,T_w$$Tz,Tw on $$H^2$$H2 onto N. For a two-variable inner function $$\theta $$θ,… read more here.

Keywords: ranks cross; theta theta; theta; unitary module ... See more keywords