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Advanced Materials, EarlyView.The perspective presents an integrated view of neuromorphic technologies, from device physics to real‐time applicability, while highlighting the necessity of full‐stack co‐optimization. By outlining practical hardware‐level strategies to exploit device behavior and mitigate non‐idealities, it shows pathways for building efficient, scalable, and ...
Kapil Bhardwaj +8 more
wiley +1 more source
Advanced Materials, EarlyView.The energetic offset between the donor and the acceptor components in organic photoactive layers is central to the tradeoff between photovoltage and photocurrent losses. This Perspective covers the most important issues surrounding this topic in non‐fullerene acceptor blends, from the difficulty of accurately determining state energies and driving ...
Dieter Neher, Manasi Pranav
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A method for event-related phase/amplitude coupling [PDF]
NeuroImage, 2013 Phase/amplitude coupling (PAC) is emerging as an important electrophysiological measure of local and long-distance neuronal communication. Current techniques for calculating PAC provide a numerical index that represents an average value across an arbitrarily long time period.
Bradley Voytek +2 more
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Time-resolved phase-amplitude coupling in neural oscillations
NeuroImage, 2017 Cross-frequency coupling between neural oscillations is a phenomenon observed across spatial scales in a wide range of preparations, including human non-invasive electrophysiology. Although the functional role and mechanisms involved are not entirely understood, the concept of interdependent neural oscillations drives an active field of research to ...
Soheila Samiee, Sylvain Baillet
exaly +3 more sources
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Computing Phase Amplitude Coupling in EEGLAB: PACTools
2020 IEEE 20th International Conference on Bioinformatics and Bioengineering (BIBE), 2020Phase-Amplitude Coupling (PAC) in electrophysiological signals refers to the transient interplay of activities in different frequency ranges, wherein phase in a low-frequency band and amplitude in a high-frequency band are in some way dependent. PAC phenomena have received increasing interest in neuroscience given the growing evidence of their apparent
Ramón Martínez-Cancino +3 more
openaire +1 more source
Multivariate Phase–Amplitude Cross-Frequency Coupling in Neurophysiological Signals [PDF]
IEEE Transactions on Biomedical Engineering, 2012 Phase-amplitude cross-frequency coupling (CFC)-where the phase of a low-frequency signal modulates the amplitude or power of a high-frequency signal-is a topic of increasing interest in neuroscience. However, existing methods of assessing CFC are inherently bivariate and cannot estimate CFC between more than two signals at a time. Given the increase in
Ryan T Canolty +2 more
exaly +3 more sources
A neural mass model of phase–amplitude coupling
Biological Cybernetics, 2016Brain activity shows phase-amplitude coupling between its slow and fast oscillatory components. We study phase-amplitude coupling as recorded at individual sites, using a modified version of the well-known Wendling neural mass model. To the population of fast inhibitory interneurons of this model, we added external modulatory input and dynamic self ...
Mojtaba Chehelcheraghi +3 more
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Phase amplitude coupling of semiconductor lasers
SPIE Proceedings, 2006Quantum-dot semiconductor lasers have several distinctive features when compared with bulk and quantum-well devices. The phase-amplitude coupling of such devices was predicted to be near zero, but several experiments have shown this not to be generally the case. Here, we review several experimental investigations and their theoretical underpinnings.
David Goulding +2 more
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