23Associate ProfessorNAKADATE HiromichiAssociate ProfessorMORIYAMA ToruDepartment of Machinery and RoboticsThere is currently no treatment for traumatic braininjury. Cell therapy using stem cells is expected to be apromising approach. Understanding the mechanisms ofdifferentiation into nerve cells and axon elongationinduced by electrical and mechanical stimulation willbe a promising approach to advance new methods ofnerve regeneration.Students can learn the logical thinking, the problemsolving ability and communication skillsthroughstudying autonomously. They also can enhance aconnection with collegers through the life of laboratory.Department of Machinery and RoboticsOutlook for researchOutlook for students after graduationOutlook for researchI am investigating the psychology of t he giant isopod, whichlives at depths of several hundred meters in the ocean, aswell as the social shaping of Mictyris brevidactylus, a crabthat lives on the island of Iriomote-jima, with robots. Theseefforts encompass not only ethology, but also cognitivescience and robotics.Outlook for students after graduationOne graduate went on to take over the local family furnitureshop after starting his own lab. Another became theprinciple author of a publication in an international academicjournal before going on to become an actor and forming anevent production company. A third traveled the length andbreadth of Japan on a cheap bicycle before launching aproject in which he interviews people about their graduateresearch. A fourth traveled alone to the typhoon-sweptisland of Iriomote-jima after producing a wedding event,while a fifth joined a leading educational company.Associate Professor Nakadatetook his current position in2018 after working as anassistant professor at TokyoMetropolitan University. Hisresearch field is brain injurybiomechanics.Key words: Pill bug, giant isopod,Mictyris brevidactylus, the heartof animals, the heart of things,self,autonomy,comparativescience,animal psychology, ethologyCell stretching device for reproducing the brain deformation in head impactAxons elongated randomly by normal culture (left) and Axons oriented straight by controlling adherence property of culturing surface (right)Research on the pill bugPublications: Moriyama, Tooru.“ Does the Pill Bug Have a Heart?” PHP Interface, 2011.Research on the giant isopodResearch paper: Matsui T, Moriyama T, Kato R, Zoological Science, accepted.Repeated concussions in contact sports such as American footballcan cause memory and attention deficits. Repeated head bumpsmake the brain more vulnerable and sensitive to stimuli and lowerthe damage threshold. When the head is hit hard, the rapidacceleration and deceleration exerts inertial forces on brain tissue,pulling and damaging the axons that carry information betweennerve cells. Through axon injury experiments using a cell tensiondevice of our own design, we are investigating the mechanism bywhich repeated concussions cause severe damage and the damagethreshold (tolerance value). We are also investigating the effects ofelectrical and mechanical stimulation on damaged axons to reducethe severity of injury and to repair nerve damage.I am attempting to rewrite the supposedly intuitive blueprint thatclaims instincts are adaptive while excess is maladaptive by observingand experimentally examining the instinctive behavior of animals. Myin doing so is to create a blueprint that equates biology withgoalengineering and to offer behind-the-scenes support for bioengineering.emergence,cognitiveBioengineeringBioengineeringTowards the development of nerve regeneration technology by electromechanical stimulationEquating biology with engineering through animal experimentation
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