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Journal Articles

A Neural network model of $textit{Caenorhabditis elegans}$ and simulation of chemotaxis-related information processing in the neural network

Sakamoto, Kazuma*; Soh, Zu*; Suzuki, Michiyo; Kurita, Yuichi*; Tsuji, Toshio*

Proceedings of SAI Intelligent Systems Conference 2015 (IntelliSys 2015), p.668 - 673, 2015/00

Journal Articles

Computer simulation of chemotaxis in $textit{Caenorhabditis Elegans}$ in consideration of whole-body movements

Soh, Zu*; Suzuki, Michiyo; Kurita, Yuichi*; Tsuji, Toshio*

Proceedings of SAI Intelligent Systems Conference 2015 (IntelliSys 2015), p.651 - 656, 2015/00

Journal Articles

Modeling of the pharyngeal muscle in $textit{Caenorhabditis elegans}$ based on FitzHugh-Nagumo equations

Hattori, Yuya; Suzuki, Michiyo; Soh, Zu*; Kobayashi, Yasuhiko; Tsuji, Toshio*

Artificial Life and Robotics, 17(2), p.173 - 179, 2012/12

Journal Articles

Theoretical and evolutionary parameter tuning of neural oscillators with a double-chain structure for generating rhythmic signals

Hattori, Yuya; Suzuki, Michiyo; Soh, Zu*; Kobayashi, Yasuhiko; Tsuji, Toshio*

Neural Computation, 24(3), p.635 - 675, 2012/03

 Times Cited Count:6 Percentile:32.83(Computer Science, Artificial Intelligence)

Journal Articles

An Electrophysiological model of the pharyngeal muscle in $textit{Caenorhabditis elegans}$

Hattori, Yuya; Suzuki, Michiyo; So, Zu*; Kobayashi, Yasuhiko; Tsuji, Toshio*

Proceedings of 17th International Symposium on Artificial Life and Robotics (AROB 2012) (CD-ROM), p.690 - 695, 2012/01

Journal Articles

A Novel tuning method for neural oscillators with a ladder-like structure based on oscillation analysis

Hattori, Yuya; Suzuki, Michiyo; Soh, Zu*; Kobayashi, Yasuhiko; Tsuji, Toshio*

Lecture Notes in Computer Science 6352, p.401 - 410, 2010/09

Journal Articles

Computational inferences on alteration of neurotransmission in chemotaxis learning in ${it Caenorhabditis elegans}$

Suzuki, Michiyo; Sakashita, Tetsuya; Tsuji, Toshio*; Kobayashi, Yasuhiko

Lecture Notes in Computer Science 6352, p.291 - 300, 2010/09

Journal Articles

Biomimetic control based on a model of chemotaxis in ${it Escherichia coli}$

Tsuji, Toshio*; Suzuki, Michiyo; Takiguchi, Noboru*; Otake, Hisao*

Artificial Life, 16(2), p.155 - 177, 2010/03

 Times Cited Count:7 Percentile:53.02(Computer Science, Artificial Intelligence)

Journal Articles

Understanding of behaviors in organisms based on systems engineering; Studies with $textit{C. elegans}$, rats and zebra fishes

Tsuji, Toshio*; Suzuki, Michiyo; Soh, Zu*; Terawaki, Mitsuru*; Takiguchi, Noboru*; Otake, Hisao*

Software Biology, 9, p.3 - 12, 2010/03

no abstracts in English

Journal Articles

Effects of ionizing radiation on locomotory behavior and mechanosensation in ${it Caenorhabditis elegans}$

Suzuki, Michiyo; Sakashita, Tetsuya; Yanase, Sumino*; Kikuchi, Masahiro; Oba, Hirofumi; Higashitani, Atsushi*; Hamada, Nobuyuki*; Funayama, Tomoo; Fukamoto, Kana; Tsuji, Toshio*; et al.

Journal of Radiation Research, 50(2), p.119 - 125, 2009/04

 Times Cited Count:8 Percentile:28.70(Biology)

Journal Articles

Heavy ion microbeam irradiation to the central nervous system of ${it Caenorhabditis elegans}$ and development of effect prediction simulator; Why is associative learning of ${it Caenorhabditis elegans}$ promoted by ionizing irradiation ?

Sakashita, Tetsuya; Hamada, Nobuyuki*; Suzuki, Michiyo*; Tsuji, Toshio*; Kakizaki, Takehiko; Wada, Seiichi*; Funayama, Tomoo; Kobayashi, Yasuhiko

JAEA-Review 2006-042, JAEA Takasaki Annual Report 2005, P. 109, 2007/02

Journal Articles

Effects of ionizing radiation on associative learning of the nematode ${it Caenorhabditis Elegans}$ and microbeam

Sakashita, Tetsuya; Wada, Seiichi; Funayama, Tomoo; Kobayashi, Yasuhiko; Ikeda, Daisuke*; Suzuki, Michiyo*; Tsuji, Toshio*

KEK Proceedings 2005-5, p.53 - 56, 2005/10

no abstracts in English

JAEA Reports

Development of facility for in-situ observation during slow strain rate test for irradiated materials

Nakano, Junichi; Tsukada, Takashi; Tsuji, Hirokazu; Terakado, Shogo; Koya, Toshio; Endo, Shinya

JAERI-Tech 2003-092, 54 Pages, 2004/01

JAERI-Tech-2003-092.pdf:14.05MB

Irradiation assisted stress corrosion cracking (IASCC) is a degradation phenomenon caused by synergy of neutron radiation, aqueous environment and stress on in-core materials, and it is an important issue in accordance with increase of aged light water reactors. Isolating crack initiation stage from crack growth stage is very useful for the evaluation of the IASCC behavior. Hence facility for in-situ observation during slow strain rate test (SSRT) for irradiated material was developed. As performance demonstrations of the facility, tensile test with in-situ observation and SSRT without observation were carried out using unirradiated type 304 stainless steel in 561 K water at 9 MPa. The following were confirmed from the results. (1) Handling, observation and recording of specimen can be operated using manipulators in the hot cell. (2) In-situ observation can be performed in pressurized high temperature water and flat sheet type specimen is suitable for the in-situ observation. (3) Test condition can be kept constantly and data can be obtained automatically for long test period.

Journal Articles

Design of a 60-kA HTS current lead for fusion magnets and its R&D

Ando, Toshinari; Isono, Takaaki; Hamada, Kazuya; Nishijima, Gen; Tsuji, Hiroshi; Tomioka, Akira*; Bono, Takaaki*; Yasukawa, Yukio*; Konno, Masayuki*; Uede, Toshio*

IEEE Transactions on Applied Superconductivity, 11(1), p.2535 - 2538, 2001/03

 Times Cited Count:6 Percentile:41.87(Engineering, Electrical & Electronic)

no abstracts in English

Journal Articles

Enhanced confinement of high bootstrap current discharges in JT-60U

Ishida, Shinichi; Matsuoka, Mamoru; Kikuchi, Mitsuru; Tsuji, Shunji; Nishitani, Takeo; Koide, Yoshihiko; Ozeki, Takahisa; Fujita, Takaaki; Nakamura, Hiroo; Hosogane, Nobuyuki; et al.

Plasma Physics and Controlled Nuclear Fusion Research 1992, Vol.1, p.219 - 233, 1993/00

no abstracts in English

Journal Articles

Particle confinement characteristics and helium ash exhaust experiments in JT-60 tokamak

Nakamura, Hiroo; Tsuji, Shunji; Shimizu, Katsuhiro; Hirayama, Toshio; Hosogane, Nobuyuki; Yoshida, Hidetoshi; Tobita, Kenji; Koide, Yoshihiko; Nishitani, Takeo; Nagashima, Keisuke; et al.

Kaku Yugo Kenkyu, 65(SPECIAL ISSUE), p.261 - 285, 1991/03

no abstracts in English

Journal Articles

H-mode experiments with outer and lower divertors in JT-60

Nakamura, Hiroo; Tsuji, Shunji; ; Ozeki, Takahisa; Ishida, Shinichi; Azumi, Masafumi; Akiba, Masato; Ando, Toshiro; Fujii, Tsuneyuki; Fukuda, Takeshi; et al.

Nuclear Fusion, 30(2), p.235 - 250, 1990/02

 Times Cited Count:16 Percentile:52.09(Physics, Fluids & Plasmas)

no abstracts in English

JAEA Reports

Results of the H-mode experiments with outer and lower divertors

Nakamura, Hiroo; Tsuji, Shunji; ; Ozeki, Takahisa; Ishida, Shinichi; Azumi, Masafumi; Akiba, Masato; Ando, Toshiro; Fujii, Tsuneyuki; Fukuda, Takeshi; et al.

JAERI-M 89-106, 52 Pages, 1989/08

JAERI-M-89-106.pdf:1.27MB

no abstracts in English

Oral presentation

Computer simulation of chemotactic neuronal networks in ${it C. elegans}$; Does food-NaCl associative learning lead to changes in the networks?

Suzuki, Michiyo*; Sakashita, Tetsuya; Tsuji, Toshio*; Kobayashi, Yasuhiko

no journal, , 

In this study, to identify these parts of the neuronal networks in which the change is induced, we modeled the chemotactic neuronal networks based on connections of actual ${it C. elegans}$. The computer simulation of the responses of this model before and after food-NaCl associative learning revealed that this model can be used to replicate the actual responses toward some kinds of chemicals. The preliminary results showed that the signal transduction around the AIY interneuron after the food-NaCl associative learning greatly differed from that before the food-NaCl associative learning. This result is in agreement with the experimental findings of a previous study, which suggested that AIY is an important neuron for food-NaCl associative learning. Based on this, we here discuss the partial change in the neuronal networks caused by associative learning.

Oral presentation

Simulation of chemotactic networks in nematode ${it C. elegans}$; Is there any change on networks by exposure to ionizing radiation?

Suzuki, Michiyo*; Sakashita, Tetsuya; Tsuji, Toshio*; Fukamoto, Kana; Hamada, Nobuyuki*; Kobayashi, Yasuhiko

no journal, , 

We have revealed the radiation-induced change on food-NaCl associative learning of ${it C. elegans}$ without no change of chemotaxis towards benzaldehyde. Soluble and volatile chemicals are perceived by separate sensory neurons that respectively connect with multiple interneurons and motoneurons. However, since several interneurons connect with these sensory neurons, neuronal networks with respect to chemotaxis of NaCl and benzaldehyde are considerably overlapped. Therefore, although it is indicated that the change by irradiation is induced on some parts of the neuronal network of NaCl chemotaxis, the change has never been clarified. Then, we here modeled the neuronal network of chemotaxis based on actual connections to find certain parts that are induced to change by $$gamma$$-irradiation. Through the computer simulation of the responses before and after irradiation, we tried to predict the change on the neuronal network.

54 (Records 1-20 displayed on this page)