Zobrazeno 1 - 10
of 201
pro vyhledávání: '"Higuchi fractal dimension"'
Publikováno v:
Frontiers in Neuroinformatics, Vol 18 (2024)
Topological data analysis (TDA) is increasingly recognized as a promising tool in the field of neuroscience, unveiling the underlying topological patterns within brain signals. However, most TDA related methods treat brain signals as if they were sta
Externí odkaz:
https://doaj.org/article/75335fb55c984795857039569b5dacb5
Akademický článek
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Publikováno v:
Fractal and Fractional, Vol 8, Iss 1, p 56 (2024)
Fractal dimension, as a common nonlinear dynamics metric, is extensively applied in biomedicine, fault diagnosis, underwater acoustics, etc. However, traditional fractal dimension can only analyze the complexity of the time series given a single chan
Externí odkaz:
https://doaj.org/article/64aaff82064a47c0b1909bdb5e6e2949
Autor:
Gayathri Vivekanandhan, Mahtab Mehrabbeik, Karthikeyan Rajagopal, Sajad Jafari, Stephen G. Lomber, Yaser Merrikhi
Publikováno v:
Mathematical Biosciences and Engineering, Vol 20, Iss 2, Pp 3749-3767 (2023)
Working memory has been identified as a top-down modulation of the average spiking activity in different brain parts. However, such modification has not yet been reported in the middle temporal (MT) cortex. A recent study showed that the dimensionali
Externí odkaz:
https://doaj.org/article/86f22940857f46c98462582368d51deb
Publikováno v:
IEEE Access, Vol 10, Pp 81556-81567 (2022)
Binaural beats (BB), in which pure tones are delivered at fixed frequency, seek to influence neural activity during cognitive tasks and induce frequency-following response which can entrain brain rhythms to the frequency of external stimulation. An i
Externí odkaz:
https://doaj.org/article/1ecf330ec82f4347bd62c9871caf3701
Autor:
Alexey Gvozdarev, Roman Parovik
Publikováno v:
Mathematics, Vol 11, Iss 16, p 3449 (2023)
The fractal dimension of geomagnetic field component variations (horizontal—H, vertical—Z and magnetic declination—D) at the Baigazan magnetic station at Russian Altay, for the period 2011–2013, were calculated using the Higuchi method. The d
Externí odkaz:
https://doaj.org/article/d3faf300b3d0467a8ab836d667d76da2
Publikováno v:
Brain Sciences, Vol 13, Iss 8, p 1201 (2023)
Accurate sleep stage detection is crucial for diagnosing sleep disorders and tailoring treatment plans. Polysomnography (PSG) is considered the gold standard for sleep assessment since it captures a diverse set of physiological signals. While various
Externí odkaz:
https://doaj.org/article/c86887444e714415a9b93cb09ffee9b7
Akademický článek
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Akademický článek
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Autor:
Shima Bahramizadeh-Sajadi, Hamid Reza Katoozian, Mahtab Mehrabbeik, Alireza Baradaran-Rafii, Khosrow Jadidi, Sajad Jafari
Publikováno v:
Fractal and Fractional, Vol 6, Iss 11, p 688 (2022)
Fractal dimension (FD) together with advances in imaging technologies has provided an increasing application of digital images to interpret biological phenomena. In ophthalmology, topography-based images are increasingly used in common practices of c
Externí odkaz:
https://doaj.org/article/327eb9517c1c4b1982831b156ca29dae