|The effect of active pedaling combined with electrical stimulation on spinal reciprocal inhibition.||村岡慶裕||運動ヒト実験運動生理学電気刺激電気刺激運動イメージ歩行異常運動学習随意運動脳卒中|
書誌：Journal of electromyofraphy and kinessiology,2 012
T. Yamaguchi, T. Fujiwara, K. Saito, S. Tanabe, Y. Muraoka, Y. Otaka, R. Osu, T. Tsuji, K. Hase, and M. Liu, 2012. The effect of active pedaling combined with electrical stimulation on spinal reciprocal inhibition. J Electromyogr Kinesiol, Vol.23, No.1, 190-194
AbstractObjective: Pedaling is widely used for rehabilitation of locomotion because it induces muscle activity very similar to locomotion. Afferent stimulation is important for the modulation of spinal reﬂexes. Furthermore, supraspinal modulation plays an important role in spinal plasticity induced by electrical stimulation. We, therefore, expected that active pedaling combined with electrical stimulation could induce strong after-effects on spinal reﬂexes.Design: Twelve healthy adults participated in this study. They were instructed to perform 7 min of pedaling. We applied electrical stimulation to the common peroneal nerve during the extension phase of the pedaling cycle. We assessed reciprocal inhibition using soleus H-reﬂex conditioning-test paradigm. The magnitude of reciprocal inhibition was measured before, immediately after, 15 and 30 min after active pedaling alone, electrical stimulation alone and active pedaling combined with electrical stimulation (pedaling + ES).
Results: The amount of reciprocal inhibition was signiﬁcantly increased after pedaling + ES. The aftereffect of pedaling + ES on reciprocal inhibition was more prominent and longer lasting compared with pedaling or electrical stimulation alone. Conclusions: Pedaling + ES could induce stronger after-effects on spinal reciprocal inhibitory neurons compared with either intervention alone. Pedaling + ES might be used as a tool to improve locomotion and functional abnormalities in the patient with central nervous lesion.
親以外の個体による世話行動は「アロケア」と呼ばれる。本稿では貧困など様 々な理由から生まれた家庭で育つことのできない子どもを社会が養育する仕組 みである社会的養護を「制度化されたアロケア」と捉え，凵本における社会的 養護の主流である児童養護施設で暮らす子ども，および退所者の体験に焦点を当て，その特徴を論じた。そこから見えてきたのは，制度化されたアロケアの機能不全であった。しかし，そうした状況ドにあっても，施設で暮らす子ども・退 所者が当事者団体を立ち上げて互いを癒し，社会に働きかけていくケースがあ ることについても確認され た。こうした当事者団体の活動は，機能不全状態にある社会的養護の現状および社会の認識を変えていく可能性をもっている。現代の日本社会には産むことと育てることの強力な結合の規範が存在するためその実現は容易ではないが，核家族の脆弱性が顕在化しつつあるなかで，成育家族以 外にも多様な養育の形態がありうると認めることはひとつの時代的・社会的要請 であると考えられた。
|Stimulus Point Distribution in Deep or Superficial Peroneal Nerve for Treatment of Ankle Spasticity.||村岡慶裕||運動生体ヒト実験運動生理学生体工学電気刺激電気刺激運動学習神経可塑性計測|
S. Kubota, S. Tanabe, E. Sugawara, Y. Muraoka, N. Itoh, and Y. Kanada, 2012. Stimulus Point Distribution in Deep or Superficial Peroneal Nerve for Treatment of Ankle Spasticity. Neuromodulation, Vol.16, No.3, 251-255
Abstract Objectives: To develop eﬀective electrical stimulation treatment to reduce spasticity, we examined the optimal stimulus point of the common peroneal nerve.Materials and Methods: The locations of selective stimulus points for the deep peroneal nerve or superﬁcial peroneal nerve ﬁber were examined in 25 healthy subjects in both legs (50 legs) using the ratio of the tibialis anterior (TA) to the peroneus longus (PL) M-wave amplitude (TA/PL ratio). In addition, we measured reciprocal Ia inhibition in ten healthy subjects. The amount of inhibition was determined from short-latency suppression of the soleus (Sol) H-reﬂex by conditioning stimuli to the deep or superﬁcial peroneal nerve. The paired t-test was used for statistical analysis.
Results: The mean TA/PL ratio during deep peroneal nerve stimulation was signiﬁcantly diﬀerent from superﬁcial peroneal nerve stimulation (p < 0.001). The mean stimulus point for the deep peroneal nerve was located 7 5 mm distal and 3 6 mm anterior from the distal edges of the head of ﬁbula and was markedly diﬀerent from the stimulus point for the superﬁcial peroneal nerve (20 7 mm distal and 12 8 mm posterior). During deep peroneal nerve stimulation, the mean conditioned H-reﬂex was depressed to 83.8 10.7% of the unconditioned value of the H-reﬂex. In contrast, during superﬁcial peroneal nerve stimulation, the mean conditioned H-reﬂex increased to 105.3 5.2%. These values were signiﬁcantly diﬀerent (p < 0.001).
Conclusions: In the present study, we revealed a stimulus area of the deep peroneal nerve. Also, we observed the inhibitory
eﬀects of stimulation upon the deep peroneal nerve at individual stimulus point. Our results appear to indicate that localized
stimulation of the deep peroneal nerve is more useful for the reduction of ankle spasticity.
|Development of a Compact Wireless Laplacian Electrode Module for Electromyogram and Its Human Interface Applications||市川熹||対話システム開発ヒト生体工学筋電technical aids for persons with physical disabilitiesLaplacian derivationprosodic informationelectromyogram (EMG)finger BrailleHuman-computer interfaceWireless electrode module|
書誌： sensors ,2012
“Development of a Compact Wireless Laplacian Electrode Module for Electromyogram and Its Human Interface Applications”Yutaka Fukuoka, Kenji Miyazawa, Hiroki Mori, Manabi Miyagi, Masafumi Nishida, Yasuo Horiuchi, Akira Ichikawa, Hiroshi Hoshino, Makoto, Noshiro, Akinori Ueno,”, Senser, special issue: State-of-the-Art Sensors Technology in Japan 2012, Sensers 2013, pp.2368 - 2383, (2013. )
Abstract:In this study, we developed a compact wireless Laplacian electrode module for electromyogram (EMG). One of the advantages of the Laplacian electrode configuration is that EMG obtained with it is expected to be sensitive to the firing of the muscle directly beneath the measurement site. The performance of the developed electrode module was investigated in two human interface applications: character-input interface and detection of finger movement during finger Braille typing. In the former application, the electrode module was combined with an EMG-mouse click converter circuit. In the latter, four electrode modules were used for detection of finger movements during finger Braille typing. Investigation on the character-input interface indicated that characters could be input stably by contraction of (a) the masseter, (b) trapezius, (c) anterior tibialis and (d) flexor carpi ulnaris muscles. This wide applicability is desirable when the interface is applied to persons with physical disabilities because the disability differs one to another. The investigation also demonstrated that the electrode module can work properly without any skin preparation. Finger movement detection experiments showed that each finger movement was more clearly detectable when comparing to EMG recorded with conventional electrodes, suggesting that the Laplacian electrode module is more suitable for detecting the timing of finger movement during typing. This could be because the Laplacian configuration enables us to record EMG just beneath the electrode. These results demonstrated advantages of the Laplacian electrode module.
書誌： 第28回人工知能学会全国大会 ,2014
田和辻可昌, 村松慶一, 松居辰則:脳機能の定性的記述を用いた人型エージェントに対する情動評価の時系列的変化モデルの提案, 第28回人工知能学会全国大会2014年5月12日, 1E3-1 (2014)
In the research eld of human agent interaction, it is a critical issue that human can feel repulsive against an agent when it looks considerably humanlike, as the unnncay valley. We hypothesized that when human observes a humanlike agent, the observer can perceive it as both human and non-human, and that the contradiction between the two kinds of perception causes negative response toward it. In the experiment, the participants were asked to judge whether faces of humanlike agents or a person was human or not with their eye tracked and their gaze direction estimated. The results indicated that observers had two-steps information processing to the agent, and we proposed a model providing an explanation for how the human negative response emerges with the concept of the dual pathway of emotion. In addition, we proposed the advanced model with the functions of the hippocampus and the striatum added. To verify the model, the transition of emotional value was simulated using the qualitative description for the model.
|Brain activity during motor imagery of an action with an object: A functional magnetic resonance imaging study.||彼末一之||運動脳ヒト実験運動生理学神経科学fMRIsomatosensorygraspmotor imageryfrontal-parietal circuitmental practice|
書誌： Neuroscience Research, 2013
Mizuguchi N, Nakata H, Hayashi T, Sakamoto M, Muraoka T, Uchida Y, Kanosue K. (2013). Neuroscience Research, 76(3): 150-155.
abstract We utilized functional magnetic resonance imaging to investigate the brain regions activated during motor imagery of an action with an object both with and without passively holding the object. Participants performed the following tasks: (1) ‘Imagery with Ball’ condition: subjects imagined squeezing a foam ball (7 cm diameter) while holding the ball, (2) ‘Imagery’ condition: subjects imagined squeezing a ball without holding the ball, and (3) ‘Ball’ condition: subjects held the ball without motor imagery. Regions activated by the ‘Imagery with Ball’ condition were located in the left dorsolateral prefrontal cortex (DLPFC), supplemental motor areas (SMA), inferior parietal lobule (IPL), superior parietal lobule (SPL), insula, cerebellum and basal ganglia. A direct comparison revealed that the right DLPFC and the right IPL showed a higher level of activation during the ‘Imagery with Ball’ than during the ‘Imagery’ + ‘Ball’ conditions. Our studies suggested that the right front-parietal networks were involved in the motor imagery of an action with an object.
Keywords: Motor imagery, Mental practice, Somatosensory, fMRI, Frontal-parietal circuit, Grasp
|原発避難者への長期的支援を考える －福島県双葉町教育委員会アンケート分析結果および被災者の行動記録より－||辻内琢也||社会行動システム開発ヒト調査社会学質問紙Disaster of Fukushima nuclear power plantevacueespsycho-social problemsmemoir of victimsFutaba town|
人間科学研究 第25巻 第2号 273-2847（2012）
辻内 琢也, 増田 和高, 永友 春華, 千田 瑛子, 山下 奏, 山口 摩弥, 南雲 四季子, 粟野 早貴, 伊藤 康文, 中上 綾子, 鈴木 勝己, 佐藤 純俊, 井戸川 克隆
|Looming Cognitive Styleに関する最近の研究動向||嶋田洋徳||総説臨床心理学Looming Cognitive Style不安障害認知的脆弱性|
|気管支喘息患児の保護者を対象としたテイラー化教育プログラムの開発および効果の検証.||竹中晃二||健康疾患特性行動ヒト介入健康科学質問紙tailored educationrandomized control trialchildhood asthmacaregivers|
|Factors that determine directional constraint in ipsilateral hand–foot coordinated movements||彼末一之||運動ヒト実験生体工学interlimb interactionkinesthesishand–foot coordinationmotor control|
書誌： Physiological Reports, 2013
Nakagawa K., Muraoka T. & Kanosue K. (2013). Physiological Reports, 1(5):e00108.
abstract In performing simultaneous rhythmic movements of the ipsilateral hand and foot, there are differences in the level of stability between same directional (stable) and opposite directional (unstable) movements. This is the directional constraint. In this study, we investigated three factors (“interaction in efferent process,” “interaction of afferent signals,” and “error correction”) proposed to underlie for the directional constraint. We compared the performance of three tasks: (1) coordination of actively moved ipsilateral hand and foot, (2) active hand movement in coordination with passively moved foot, (3) active hand movement not coordinated with a passively moved foot. In each task, both same and opposite directional movements were executed. There was no difference between performance estimated with success rate for the first and second task. The directional constraint appeared in both tasks. Thus, the interaction in efferent processes, which was shown to be responsible for the directional constraint in bimanual coordination, was not involved with the directional constraint of ipsilateral hand–foot coordination. The directional constraint did not appear in the third task, which suggested that “interaction of afferent signals” also had no contribution. These results indicated that “error correction” must be the most critical of these factors for mediating the directional constraint in ipsilateral hand–foot coordinated movements.
Keywords: Hand–foot coordination, interlimb interaction, kinesthesis, motor control
書誌：The Japanese Journal of Health Psychology,2012
|Frontal and right temporal activations correlate negatively with depression severity during verbal fluency task||鈴木伸一||疾患特性脳ヒト実験臨床心理学near-infrared spectroscopySeverity of depressionHamilton Rating Scale for DepressionVerbal ﬂuency taskmajor depressive disorder|
☆ 書誌： Journal of psychiatric reserch ,2012
|An understanding of Japanese children’s perceptions of fun, barriers, and facilitators of active free play||竹中晃二||社会健康行動ヒト実験健康科学発達心理学行動観察Focus groapprimary carehealth promotion|
☆ 書誌：Joutnal of child health care,2014
☆ 書誌： 日本健康教育学会誌，2012
|The Modulation of Corticospinal Excitability during Motor Imagery of Actions with Objects||彼末一之||運動ヒト実験運動生理学神経科学事象関連電位行動観察analysis of variancemotor cortexhandsfingerselectromyography foammotor evoked potentialhand strength|
☆書誌： Experimental Brain Research , 2013
Mizuguchi N, Umehara I., Nakata H. & Kanosue K. (2013). Experimental Brain Research, 230(2):243-249.
We investigated whether corticospinal excitability during motor imagery of actions (the power or the pincer grip) with objects was influenced by actually touching objects (tactile input) and by the congruency of posture with the imagined action (proprioceptive input). Corticospinal excitability was assessed by monitoring motor evoked potentials (MEPs) in the first dorsal interosseous following transcranial magnetic stimulation over the motor cortex. MEPs were recorded during imagery of the power grip of a larger-sized ball (7 cm) or the pincer grip of a smaller-sized ball (3 cm)— with or without passively holding the larger-sized ball with the holding posture or the smaller-sized ball with the pinching posture. During imagery of the power grip, MEPs amplitude was increased only while the actual posture was the same as the imagined action (the holding posture). On the other hand, during imagery of the pincer grip while touching the ball, MEPs amplitude was enhanced in both postures. To examine the pure effect of touching (tactile input), we recorded MEPs during imagery of the power and pincer grip while touching various areas of an open palm with a flat foam pad. The MEPs amplitude was not affected by the palmer touching. These findings suggest that corticospinal excitability during imagery with an object is modulated by actually touching an object through the combination of tactile and proprioceptive inputs.