Papers for the month of June 2020

Koch, G., Paulus, J.

"Influences on memory for naturalistic visual episodes: sleep, familiarity, and traits differentially affect forms of recall"
Learning & Memory, 27:284-291

Mouse over here for a brief summary or click to open article in a new tab.In this article we ask how the ability to recall semantic, temporal, and spatial aspects (the “what, when, and where”) of naturalistic episodes is affected by three influences—prior familiarity, postencoding sleep, and individual differences—by testing their influence on three forms of recall: cued recall, free recall, and the extent that recalled details are recombined for a novel prompt. Broadly, this work highlights that recall is heterogeneous in response to different influences on memory.

Bruett H., Calloway R., Tokowicz, N.

"Neural pattern similarity across concept exemplars predicts memory after a long delay"
Neuroimage, 219:117030

Mouse over here for a brief summary or click to open article in a new tab.In this study, we used fMRI to measure activity patterns while people encoded and retrieved novel pairings between unfamiliar (Dutch) words and visually presented animal species. Our findings indicate that pattern robustness during encoding in brain regions that include parietal and medial temporal areas is an important predictor of subsequent memory. In addition, we found significant encoding-retrieval similarity in the left ventrolateral prefrontal cortex after a month’s delay.

Klein N., Orellana J., Brincat S. L., Miller E. K., Kass R. E.

"Torus graphs for multivariate phase coupling analysis"
Annals of Applied Statistics, 14:635-660

Mouse over here for a brief summary or click to open article in a new tab.When LFPs are recorded from multiple electrodes across several brain regions, it is possible to examine pairwise phase-phase interactions by applying PLV, but this does not take advantage of the multivariate nature of the recordings and can produce misleading results. We have developed a multivariate method that is much more powerful, producing a complete description of interacting phase relationships in a graphical model. Each node corresponds to a particular LFP (at a particular location) and the presence of an edge between two nodes indicates a direct functional interaction of the corresponding LFP phases.

Stieger KC, Eles JR, Ludwig KA, Kozai TDY

"In vivo microstimulation with cathodic and anodic asymmetric waveforms modulates spatio-temporal calcium dynamics in cortical neuropil and pyramidal neurons of male mice."
Journal of Neuroscience Research, 0:0

Mouse over here for a brief summary or click to open article in a new tab.Modeling studies have suggested that modulation of stimulation pulse waveform may be able to control the probability of neuronal activation to selectively stimulate either cell bodies or passing fibers depending on the leading polarity. Our results suggest that stimulation polarity and asymmetry can be used to modulate the spatiotemporal dynamics of neuronal activity thus increasing the effective parameter space of electrical stimulation to restore sensation and study circuit dynamics.

Hosseini, R., Akhuseyinoglu, K., Brusilovsky, P., Malmi, L., Pollari-Malmi, K., & Sirkiä, T.

"Improving Engagement in Program Construction Examples for Learning Python Programming"
International Journal of Artifical Intelligence in Education, 30:299–336

Mouse over here for a brief summary or click to open article in a new tab.This research is focused on how to support students’ acquisition of program construction skills through worked examples. The goal of this work is to investigate the value of the “engaging” features in programming examples.

Daniel C Javitt, Steven J Siegel, Kevin M Spencer, Daniel H Mathalon, L Elliot Hong, Antigona Martinez, Cindy L Ehlers, Atheir I Abbas, Tobias Teichert, Peter Lakatos, Thilo Womelsdorf

"A Roadmap for Development of Neuro-Oscillations as Translational Biomarkers for Treatment Development in Neuropsychopharmacology"
Neuropsychopharmacology, Online ahead of print:1

Mouse over here for a brief summary or click to open article in a new tab.Brief tutorial, review and future directions for time-frequency EEG analysis in translational research.


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