Search Results - "Matsukawa, Kanji"

Decreased prefrontal oxygenation elicited by stimulation of limb mechanosensitive afferents during cycling exercise by Asahara, Ryota, Matsukawa, Kanji

“…Our laboratory reported using near-infrared spectroscopy that feedback from limb mechanoafferents may decrease prefrontal oxygenated-hemoglobin concentration…”
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Feedforward‐ and motor effort‐dependent increase in prefrontal oxygenation during voluntary one‐armed cranking by Ishii, Kei, Liang, Nan, Asahara, Ryota, Takahashi, Makoto, Matsukawa, Kanji

“…Key points Some cortical areas are believed to transmit a descending signal in association with motor intention and/or effort that regulates the cardiovascular…”
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Central command suppresses pressor‐evoked bradycardia at the onset of voluntary standing up in conscious cats by Ishii, Kei, Idesako, Mitsuhiro, Asahara, Ryota, Liang, Nan, Matsukawa, Kanji

“…New Findings What is the central question of this study? Standing up can cause hypotension and tachycardia. Accumulated evidence poses the simple question,…”
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An increase in prefrontal oxygenation at the start of voluntary cycling exercise was observed independently of exercise effort and muscle mass by Asahara, Ryota, Endo, Kana, Liang, Nan, Matsukawa, Kanji

“…Purpose We have reported using near-infrared spectroscopy that an increase in prefrontal oxygenated-hemoglobin concentration (Oxy-Hb) at the start of cycling…”
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Regional difference in prefrontal oxygenation before and during overground walking in humans: a wearable multichannel NIRS study by Asahara, Ryota, Ishii, Kei, Liang, Nan, Hatanaka, Yukari, Hihara, Kei, Matsukawa, Kanji

“…Using wireless multichannel near-infrared spectroscopy, regional difference in cortical activity over the prefrontal cortex (PFC) was examined before and…”
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Pivotal role of the ventral tegmental area in spontaneous motor activity and concomitant cardiovascular responses in decerebrate rats by Ishii, Kei, Asahara, Ryota, Komine, Hidehiko, Liang, Nan, Matsukawa, Kanji

“…•The midbrain is likely to generate spontaneous motor and cardiovascular responses.•We examined which area of the midbrain is crucial for the synchronized…”
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Deactivation of the prefrontal cortex during exposure to pleasantly-charged emotional challenge by Matsukawa, Kanji, Asahara, Ryota, Yoshikawa, Miho, Endo, Kana

“…Our laboratory reported that facial skin blood flow may serve as a sensitive tool to assess an emotional status and that both prefrontal oxygenation (as index…”
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The prefrontal oxygenation and ventilatory responses at start of one-legged cycling exercise have relation to central command by Asahara, Ryota, Matsukawa, Kanji, Ishii, Kei, Liang, Nan, Endo, Kana

“…When performing exercise arbitrarily, activation of central command should start before the onset of exercise, but when exercise is forced to start with cue,…”
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Increased prefrontal oxygenation prior to and at the onset of over-ground locomotion in humans by Matsukawa, Kanji, Asahara, Ryota, Ishii, Kei, Kunishi, Mayo, Yamashita, Yurino, Hashiguchi, Yoshiki, Liang, Nan, Smith, Scott A

“…Our laboratory has reported with near-infrared spectroscopy (NIRS) that prefrontal oxygenated-hemoglobin concentration (Oxy-Hb), measured as index of regional…”
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Dynamic exercise improves cognitive function in association with increased prefrontal oxygenation by Endo, Kana, Matsukawa, Kanji, Liang, Nan, Nakatsuka, Chie, Tsuchimochi, Hirotsugu, Okamura, Hitoshi, Hamaoka, Takafumi

“…The Stroop test was performed before and after ergometer exercise for 15 min at 20, 40, and 60 % of maximum voluntary exercise (EXmax), in order to examine…”
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Central modulation of cardiac baroreflex moment‐to‐moment sensitivity during treadmill exercise in conscious cats by Ishii, Kei, Idesako, Mitsuhiro, Asahara, Ryota, Liang, Nan, Matsukawa, Kanji

“…It remains undetermined whether the cardiac component of the entire arterial baroreflex is blunted even at the onset of low‐intensity exercise. We sought to…”
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Unilateral imagined movement increases interhemispheric inhibition from the contralateral to ipsilateral motor cortex by Liang, Nan, Funase, Kozo, Takahashi, Makoto, Matsukawa, Kanji, Kasai, Tatsuya

“…Whether a cortical drive to one limb modulates interhemispheric inhibition (IHI) from the active targeting to the non-active motor cortex (M1) remained…”
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Incremental rate of prefrontal oxygenation determines performance speed during cognitive Stroop test: the effect of ageing by Endo, Kana, Liang, Nan, Idesako, Mitsuhiro, Ishii, Kei, Matsukawa, Kanji

“…Cognitive function declines with age. The underlying mechanisms responsible for the deterioration of cognitive performance, however, remain poorly understood…”
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Increased oxygenation in the non‐contracting forearm muscle during contralateral skilful hand movement by Asahara, Ryota, Ishii, Kei, Okamoto, Izumi, Sunami, Yuki, Hamada, Hironobu, Kataoka, Tsuyoshi, Ohshita, Wakana, Watanabe, Tae, Matsukawa, Kanji

“…New Findings What is the central question of this study? When performing skilful hand movement, motor command descends especially towards distal arm muscles…”
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Increased oxygenation of the cerebral prefrontal cortex prior to the onset of voluntary exercise in humans by Matsukawa, Kanji, Ishii, Kei, Liang, Nan, Endo, Kana, Ohtani, Ryo, Nakamoto, Tomoko, Wakasugi, Rie, Kadowaki, Akito, Komine, Hidehiko

“…To determine whether output from the forebrain (termed central command) may descend early enough to increase cardiac and renal sympathetic outflows at the…”
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Differential contribution of aortic and carotid sinus baroreflexes to control of heart rate and renal sympathetic nerve activity by Ishii, Kei, Idesako, Mitsuhiro, Mitsuhiro, Idesako, Matsukawa, Kanji

“…We examined the roles of aortic and carotid sinus baroreceptors in control of heart rate (HR) and renal sympathetic nerve activity (RSNA) in 17 decerebrate…”
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Central command generated prior to arbitrary motor execution induces muscle vasodilatation at the beginning of dynamic exercise by Ishii, Kei, Matsukawa, Kanji, Liang, Nan, Endo, Kana, Idesako, Mitsuhiro, Asahara, Ryota, Kadowaki, Akito, Wakasugi, Rie, Takahashi, Makoto

“…The purpose of this study was to examine the role of central command, generated prior to arbitrary motor execution, in cardiovascular and muscle blood flow…”
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Differential effect of central command on aortic and carotid sinus baroreceptor-heart rate reflexes at the onset of spontaneous, fictive motor activity by Matsukawa, Kanji, Ishii, Kei, Kadowaki, Akito, Liang, Nan, Ishida, Tomoko

“…Our laboratory has reported that central command blunts the sensitivity of the aortic baroreceptor-heart rate (HR) reflex at the onset of voluntary static…”
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Central command contributes to increased blood flow in the noncontracting muscle at the start of one-legged dynamic exercise in humans by Ishii, Kei, Liang, Nan, Oue, Anna, Hirasawa, Ai, Sato, Kohei, Sadamoto, Tomoko, Matsukawa, Kanji

“…Whether neurogenic vasodilatation contributes to exercise hyperemia is still controversial. Blood flow to noncontracting muscle, however, is chiefly regulated…”
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Differential contribution of central command to the cardiovascular responses during static exercise of ankle dorsal and plantar flexion in humans by NAN LIANG, NAKAMOTO, Tomoko, MOCHIZUKI, Seina, MATSUKAWA, Kanji

“…To examine whether central command contributes differently to the cardiovascular responses during voluntary static exercise engaged by different muscle groups,…”
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