Search Results - "Tokuda, Isao"

Grasshopper mice employ distinct vocal production mechanisms in different social contexts by Pasch, Bret, Tokuda, Isao T., Riede, Tobias

“…Functional changes in vocal organ morphology and motor control facilitate the evolution of acoustic signal diversity. Although many rodents produce…”
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Experimental study on nonlinear source–filter interaction using synthetic vocal fold models by Migimatsu, Kishin, Tokuda, Isao T.

“…Under certain conditions, e.g., singing voice, the fundamental frequency of the vocal folds can go up and interfere with the formant frequencies. Acoustic…”
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Damped circadian oscillation in the absence of KaiA in Synechococcus by Kawamoto, Naohiro, Ito, Hiroshi, Tokuda, Isao T., Iwasaki, Hideo

“…Proteins KaiA, KaiB and KaiC constitute a biochemical circadian oscillator in the cyanobacterium Synechococcus elongatus . It has been reported kaiA…”
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Experimental study on the quasi-steady approximation of glottal flows by Honda, Takuto, Kanaya, Mayuka, Tokuda, Isao T., Bouvet, Anne, Van Hirtum, Annemie, Pelorson, Xavier

“…To examine the quasi-steady approximation of the glottal flow, widely used in the modeling of vocal fold oscillations, intraglottal pressure distributions were…”
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A practical method for estimating coupling functions in complex dynamical systems by Tokuda, Isao T, Levnajic, Zoran, Ishimura, Kazuyoshi

“…A foremost challenge in modern network science is the inverse problem of reconstruction (inference) of coupling equations and network topology from the…”
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New insights into olivo-cerebellar circuits for learning from a small training sample by Tokuda, Isao T, Hoang, Huu, Kawato, Mitsuo

“…•Dilemma exists between training sample size and degrees of freedom of control system.•Success of deep neural networks relies on huge training sample despite…”
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The singularity response reveals entrainment properties of the plant circadian clock by Masuda, Kosaku, Tokuda, Isao T., Nakamichi, Norihito, Fukuda, Hirokazu

“…Circadian clocks allow organisms to synchronize their physiological processes to diurnal variations. A phase response curve allows researchers to understand…”
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A spatial model of the plant circadian clock reveals design principles for coordinated timing by Greenwood, Mark, Tokuda, Isao T, Locke, James C W

“…Individual plant cells possess a genetic network, the circadian clock, that times internal processes to the day‐night cycle. Mathematical models of the clock…”
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Coherency of circadian rhythms in the SCN is governed by the interplay of two coupling factors by Tokuda, Isao T, Ono, Daisuke, Honma, Sato, Honma, Ken-Ichi, Herzel, Hanspeter

“…Circadian clocks are autonomous oscillators driving daily rhythms in physiology and behavior. In mammals, a network of coupled neurons in the suprachiasmatic…”
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Weak coupling between intracellular feedback loops explains dissociation of clock gene dynamics by Schmal, Christoph, Ono, Daisuke, Myung, Jihwan, Pett, J Patrick, Honma, Sato, Honma, Ken-Ichi, Herzel, Hanspeter, Tokuda, Isao T

“…Circadian rhythms are generated by interlocked transcriptional-translational negative feedback loops (TTFLs), the molecular process implemented within a cell…”
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Effect of level difference between left and right vocal folds on phonation: Physical experiment and theoretical study by Tokuda, Isao T., Shimamura, Ryo

“…As an alternative factor to produce asymmetry between left and right vocal folds, the present study focuses on level difference, which is defined as the…”
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Synchronized and Desynchronized Dynamics Observed from Physical Models of the Vocal and Ventricular Folds by Matsumoto, Takuma, Kanaya, Mayuka, Matsushima, Daisuke, Han, Cong, Tokuda, Isao T.

“…The ventricular folds, located superiorly to the vocal folds, do not usually vibrate during normal phonations. It has been shown, however, that they do vibrate…”
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Experimental Study on Inspiratory Phonation Using Physical Model of the Vocal Folds by Hasegawa, Hiroto, Nakagawa, Takumi, Noguchi, Kohei, Tokuda, Isao T.

“…In inspiratory phonation, the air is inhaled from the mouth. The inhaled air passes through the glottis towards the lungs, thereby inducing the vocal fold…”
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Electrical coupling controls dimensionality and chaotic firing of inferior olive neurons by Hoang, Huu, Lang, Eric J, Hirata, Yoshito, Tokuda, Isao T, Aihara, Kazuyuki, Toyama, Keisuke, Kawato, Mitsuo, Schweighofer, Nicolas

“…We previously proposed, on theoretical grounds, that the cerebellum must regulate the dimensionality of its neuronal activity during motor learning and control…”
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Evolutionary loss of complexity in human vocal anatomy as an adaptation for speech by Nishimura, Takeshi, Tokuda, Isao T., Miyachi, Shigehiro, Dunn, Jacob C., Herbst, Christian T., Ishimura, Kazuyoshi, Kaneko, Akihisa, Kinoshita, Yuki, Koda, Hiroki, Saers, Jaap P. P., Imai, Hirohiko, Matsuda, Tetsuya, Larsen, Ole Næsbye, Jürgens, Uwe, Hirabayashi, Hideki, Kojima, Shozo, Fitch, W. Tecumseh

“…Human speech production obeys the same acoustic principles as vocal production in other animals but has distinctive features: A stable vocal source is filtered…”
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Transition of phase response properties and singularity in the circadian limit cycle of cultured cells by Koinuma, Satoshi, Kori, Hiroshi, Tokuda, Isao T, Yagita, Kazuhiro, Shigeyoshi, Yasufumi

“…The circadian system has been regarded as a limit cycle oscillator constructed by the integrated interaction of clock genes and proteins. Here, we investigated…”
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Experimental study of vocal–ventricular fold oscillations in voice production by Matsumoto, Takuma, Kanaya, Mayuka, Ishimura, Kazuyoshi, Tokuda, Isao T.

“…Ventricular folds are located in the supraglottal region above the vocal folds. Although the ventricular folds do not vibrate under normal vocalizations, they…”
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Influence of level difference due to vocal folds angular asymmetry on auto-oscillating replicas by Bouvet, Anne, Tokuda, Isao, Pelorson, Xavier, Van Hirtum, Annemie

“…Dysphonia is often caused by level difference between left and right vocal folds, which are positioned on different angles with respect to the transverse…”
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Coupling Controls the Synchrony of Clock Cells in Development and Knockouts by Tokuda, Isao T., Ono, Daisuke, Ananthasubramaniam, Bharath, Honma, Sato, Honma, Ken-Ichi, Herzel, Hanspeter

“…In mammals, a network of coupled neurons within the hypothalamus coordinates physiological rhythms with daily changes in the environment. In each neuron,…”
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Ventricular fold oscillations lower the vocal pitch in rhesus macaques by Miyazaki, Rintaro, Yoshitani, Tomoki, Kanaya, Mayuka, Miyachi, Shigehiro, Kaneko, Akihisa, Kinoshita, Yuki, Nakamura, Kanta, Nishimura, Takeshi, Tokuda, Isao T

“…We carried out ex vivo and in vivo experiments to explore the functional role of the ventricular folds in sound production in macaques. In the ex vivo…”
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