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Julia Stephen

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Articles 22
Citations 396
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Recent Articles
1.
Swieter E, Gross J, Stephen J, Watterberg K, Maxwell J
Front Pediatr . 2023 Oct; 11:1269405. PMID: 37790693
Background: Skin-to-skin care in the newborn intensive care unit typically lasts for short periods of time and enhances breastfeeding, attachment, and parental self-esteem. Heart rate variability (HRV) increases with gestational...
2.
Maxwell J, DiDomenico J, Roberts M, Marquez L, Rai R, Weinberg J, et al.
Pediatr Res . 2023 Sep; 95(1):350-358. PMID: 37674025
Background: Prenatal alcohol exposure (PAE) impacts the neurodevelopment of the fetus, including the infant's ability to self-regulate. Heart rate variability (HRV), that is, the beat-to-beat variability in heart rate, is...
3.
Nurminen J, Zhdanov A, Yeo W, Iivanainen J, Stephen J, Borna A, et al.
ArXiv . 2023 Jul; PMID: 37396603
In magnetoencephalography, linear minimum norm inverse methods are commonly employed when a solution with minimal a priori assumptions is desirable. These methods typically produce spatially extended inverse solutions, even when...
4.
Badura Brack A, Marklin M, Embury C, Picci G, Frenzel M, Klanecky Earl A, et al.
BJPsych Open . 2022 Sep; 8(5):e172. PMID: 36148845
Background: Trait dissociation has not been examined from a structural human brain mapping perspective in healthy adults or children. Non-pathological dissociation shares some features with daydreaming and mind-wandering, but also...
5.
Agcaoglu O, Wilson T, Wang Y, Stephen J, Calhoun V
Annu Int Conf IEEE Eng Med Biol Soc . 2022 Sep; 2022:3729-3732. PMID: 36085989
Longitudinal studies can provide more precise measure of brain development, as they focus on within-subject variability, as opposed to cross-sectional studies. In this study, we track longitudinal changes in resting...
6.
Borna A, Iivanainen J, Carter T, McKay J, Taulu S, Stephen J, et al.
Neuroimage . 2021 Dec; 247:118818. PMID: 34915157
Optically pumped magnetometers (OPMs) developed for magnetoencephalography (MEG) typically operate in the spin-exchange-relaxation-free (SERF) regime and measure a magnetic field component perpendicular to the propagation axis of the optical-pumping photons....
7.
Deramus T, Faghiri A, Iraji A, Agcaoglu O, Vergara V, Fu Z, et al.
J Neurosci Methods . 2021 May; 358:109202. PMID: 33951454
Background: Resting-state fMRI (rs-fMRI) is employed to assess "functional connections" of signal between brain regions. However, multiple rs-fMRI paradigms and data-filtering strategies have been used, highlighting the need to explore...
8.
Gao L, Grebogi C, Lai Y, Stephen J, Zhang T, Li Y, et al.
Chaos . 2019 May; 29(4):041101. PMID: 31042962
It is common knowledge that alcohol consumption during pregnancy would cause cognitive impairment in children. However, recent works suggested that the risk of drinking during pregnancy may have been exaggerated....
9.
Rahaman M, Turner J, Gupta C, Rachakonda S, Chen J, Liu J, et al.
IEEE Trans Biomed Eng . 2019 Apr; 67(1):110-121. PMID: 30946659
Objective: We propose and develop a novel biclustering (N-BiC) approach for performing N-way biclustering of neuroimaging data. Our approach is applicable to an arbitrary number of features from both imaging...
10.
Agcaoglu O, Wilson T, Wang Y, Stephen J, Calhoun V
Hum Brain Mapp . 2019 Feb; 40(8):2488-2498. PMID: 30720907
Functional magnetic resonance imaging data are commonly collected during the resting state. Resting state functional magnetic resonance imaging (rs-fMRI) is very practical and applicable for a wide range of study...