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<center> <p align="center"> <a href="LineDrwE.html"><img SRC="Imamizu2.jpg" id="_x0000_i1025" height=276 width=240 border="1"></a> <p><br> <p><b><font size=+1>Hiroshi Imamizu, Ph.D.</font></b> <br> &nbsp; <br> <p><font size="3">Center for Information & Neural Networks</font> <font size="3"><br> National Institute of Information and Communications Technology</font></p> &<br> <p><font size="3">Department of Cognitive Neuroscience</font> <font size="3"><br> ATR Cognitive Mechanisms Laboratories</font></p> </center> <div class="MsoNormal" style="text-align:center"> <font size="4">&nbsp; </font> <center> <p><font size="4"><a href="#BCKGND">Background</a></font> <font size="4"><br> <a href="#RESINT">Research Interests</a></font> <font size="4"><br> <a href="#PUBL">Publications</a></font> <font size="4"><br> <a href="#Affil">Affiliations</a></font> <font size="4"><br> <a href="#ADDR">Address</a></font> <font size="4"><br> <br><br> </font></p> </center> &nbsp; <br> &nbsp;</div> <div class="MsoNormal">&nbsp;</div> <div class="MsoNormal"> <table width="150" border="0" cellpadding="2" bgcolor="#990000"> <tr> <td> <div align="center"><b><font size="4" color="#FFFFFF"><a name="BCKGND"></a><b></b> Background</font></b> </div> </td> </tr> </table> <p><font size="3">I obtained a Ph.D. (Experimental Psychology, 1995) and MS (Experimental Psychology, 1989) both from the University of Tokyo, Japan. I worked in ATR Human Information Processing Research Laboratories in Kyoto from 1992 to 96 as a Research Associate. From 1996 to 2001, I worked as a leader of Computational Psychology Group in KDB, ERATO, JST. From 2001 to 2004, I worked as a senoir researcher in ATR Human Information Science Laboratories. From 2004 to 2010, I worked as a head of Department of Cognitive Neuroscience in ATR Computational Neuroscience Laboratories. I have been working as a leader of Biological ICT Group in National Institute of Information and Communications Technology since 2009, and a director of ATR Cognitive Mechanisms Laboratories since 2010.</font> <p><a NAME="RESINT"></a><b></b> <table width="150" border="0" cellpadding="2" bgcolor="#6C18B0"> <tr> <td> <div align="center"><b><font size="4" color="#FFFFFF">Research Interests</font><font size="4" color="#FFFFFF"> </font></b> </div> </td> </tr> </table> <p> <font size="3">My original research interest is in human sensorimotor learning from psychological and computational points of view. Using methods of experimental psychology, I have been studied generalization abilities of skills and coordinate systems adopted by the sensorimotor integration mechanism. I have started investigating brain activation using fMRI (functional magnetic resonance imaging) when human subjects are learning skills to use a new tool. </font> </div> <p><br> <table width="150" border="0" cellpadding="2" bgcolor="#5DA31E"> <tr bgcolor="#5DA31E"> <td> <div align="center"><b><font size="4" color="#FFFFFF"><a name="PUBL"></a><b></b> Publications </font></b> </div> </td> </tr> </table> <div align=right><i>Request for reprints ----<u>imamizu @ gmail.com<br> </a></u></i></div> <p><br> <font size="3">Imamizu H. &amp; Kawato M. (in press). <font color="#0000cd" >New </font><font color="#ff0000" >Review </font></b><br> Cerebellar Internal Models: Implications for the Dexterous Use of Tools.&nbsp; <br> </font><font size="3">Cerebellum</font> <font color="#000000">&nbsp;<a href="CBL2011.pdf">[PDF]</a></font> <br><br> <font size="3">Tanaka H., Homma K., &amp; Imamizu H. (2011). <font color="#0000cd" >New </font></b><br> Physical delay but not subjective delay determines learning rate in prism adaptation.&nbsp; <br> </font><font size="3">Experimental Brain Research, 208(2), 257-68</font> <font color="#000000">&nbsp;<a href="EBR2011.pdf">[PDF]</a></font> <br><br> <font size="3">Toda A., Imamizu H., Kawato M., &amp; Sato MA. (2011). <font color="#0000cd" >New </font></b><br> Reconstruction of two-dimensional movement trajectories from selected magnetoencephalography cortical currents by combined sparse Bayesian methods.&nbsp; <br> </font><font size="3">NeuroImage, 54(2), 892-905 </font> <font color="#000000">&nbsp;<a href="NeuroImage2011.pdf">[PDF]</a></font> <br><br> <font size="3">Imamizu H. (2010). <font color="#ff0000" >Review </font></b><br> Prediction of sensorimotor feedback from the efference copy of motor commands: A review of behavioral and functional neuroimaging studies.&nbsp; <br> </font><font size="3">Japanese Psychological Research, 52(2), 107-20 </font> <font color="#000000">&nbsp;<a href="JPR2010.pdf">[PDF]</a></font> <br><br> <font size="3">Imamizu H. &amp; Kawato M. (2009). <font color="#ff0000" >Review </font></b><br> Brain mechanisms for predictive control by switching internal models: implications for higher-order cognitive functions.&nbsp; <br> </font><font size="3">Psychological Research, 73(4), 527-44 </font> <font color="#000000">&nbsp;<a href="PsyRes.pdf">[PDF]</a></font> <br><br> <font size="3">Imamizu H. &amp; Kawato M. (2008). <br> Neural correlates of predictive and postdictive switching mechanisms for internal models.&nbsp; <br> </font><font size="3">Journal of Neuroscience, 28(42), 10751-65 </font> <font color="#000000">&nbsp;<a href="PrePostSw.pdf">[PDF]</a></font> <br><br> <font size="3">Imamizu H., Sugimoto N., Osu R., Tsutsui K., Wada Y. &amp; Kawato M. (2007). <br> Explicit contextual information selectively contributes to predictive switching of internal models.&nbsp; <br> </font><font size="3">Experimental Brain Research, 181(3), 395-408 </font> <font color="#000000">&nbsp;<a href="Explicit.pdf">[PDF]</a></font> <br><br> <font size="3">Imamizu H., Higuchi S., Toda A., &amp; Kawato M. (2007). <br> Reorganization of brain activity for multiple internal models after short but intensive training.&nbsp; <br> </font><font size="3">Cortex, 43(3), 338-349.</font> <font color="#000000">&nbsp;<a href="Reorganization.pdf">[PDF]</a></font><br><br> <font size="3">Imamizu H., Kuroda T., Yoshioka T., &amp; Kawato M. (2004). <br> Functional magnetic resonance imaging examination of two modular architectures for switching multiple internal models.&nbsp; <br> </font><font size="3">Journal of Neuroscience, 24(5), 1173-81. <a href="Switching.pdf">[PDF]</a> </font><br><br> <font size="3">Imamizu H., Kuroda T., Miyauchi S., Yoshioka T., &amp; Kawato M. (2003). <br> Modular organization of internal models of tools in the human cerebellum.&nbsp; <br> </font><font size="3">Proc Natl Acad Sci U S A, 100, 5461-6. <a href="MultipleModels.pdf">[PDF]</a> <a href="cerebellum.mpg">[Movie]</a></font><br><br> <font size="3">Imamizu H., Miyauchi S., Tamada,T., Sasaki Y., Takino R., Puetz B., Yoshioka T., Kawato M. (2000). <br> Human cerebellar activity reflecting an acquired internal model of a novel tool.&nbsp; <br> </font><font size="3">Nature, 403, 192-195. <a href="InternalModelfMRI.pdf">[PDF]</a> </font> <p><font size="3">Imamizu, H., Uno, Y., &amp; Kawato, M. (1998). <br> </font> <font size="3">Adaptive internal model of intrinsic kinematics involved in learning an aiming task. <br> J Exp Psychol Hum Percept Perform, 24(3), 812-29. <br> <a href="JEP98.pdf">[</a><a href="jep98.pdf">PDF(2.2M)</a>, <a href="Imamizu.sit">Compressed(682K)</a>] </font> </p> <div class="MsoNormal" style="margin-top:5.0pt;mso-margin-bottom-alt:auto; margin-left:.5gd;text-align:justify;text-justify:inter-ideograph"> <p><font color="#000000" size="3">Imamizu, H., Uno, Y., &amp; Kawato, M. (1995). <br> Internal representations of the motor apparatus: implications from generalization in visuomotor learning. <br> J Exp Psychol Hum Percept Perform, 21(5), 1174-98. </font> <p><font size="3">Imamizu, H., &amp; Shimojo, S. (1995). <br> The locus of visual-motor learning at the task or manipulator level: implications from intermanual transfer. <br> J Exp Psychol Hum Percept Perform, 21(4), 719-33.</font><br></p> <font size="3">Higuchi S., Chaminate T., Imamizu H. &amp; Kawato M. (2009). <br> Shared neural correlates for language and tool use in Broca's area. &nbsp; <br> </font><font size="3">NeuroReport, 20(15), 1376 81.</font> <font color="#000000">&nbsp; <a href="19734812.pdf">[PDF]</a></font><br><br> <font size="3">Higuchi S., Imamizu H. &amp; Kawato M. (2007). <br> Cerebellar activity evoked by common tool-use execution and imagery tasks: an fMRI study. &nbsp; <br> </font><font size="3">Cortex, 43(3), 350-358.</font> <font color="#000000">&nbsp; <a href="Higuchi.pdf">[PDF]</a></font><br><br> <font size="3">Milner T. E., Franklin D. W., Imamizu H. &amp; Kawato M. (2007). <br> Central control of grasp: Manipulation of objects with complex and simple dynamics. &nbsp; <br> </font><font size="3">NeuroImage, 36(2), 388-95</font> <font color="#000000">&nbsp; <a href="Milner2.pdf">[PDF]</a></font><br><br> <font size="3">Ganesh G., Franklin D. W., Gassert R., Imamizu H. &amp; Kawato M. (2007). <br> Accurate real-time feedback of surface EMG during fMRI. &nbsp; <br> </font><font size="3">Journal of Neurophysiology, 97(1), 912-20. <a href="Ganesh.pdf">[PDF]</a> </font><br><br> <font size="3">Bursztyn L. L., Ganesh G., Imamizu H., Kawato M. &amp; Flanagan J. R. (2006). <br> Neural correlates of internal-model loading. &nbsp; <br> </font><font size="3">Current Biology, 16(24), 2440-5. <a href="Lulu.pdf">[PDF]</a> </font><br><br> <font size="3">Milner T. E., Franklin D. W., Imamizu H. &amp; Kawato M. (2006). <br> Central representation of dynamics when manipulating handheld objects. &nbsp; <br> </font><font size="3">Journal of Neurophysiology, 95(2), 893-901. <a href="Milner1.pdf">[PDF]</a> </font><br><br> <font size="3">Schultz J., Imamizu H., Kawato M. &amp; Frith C. D. (2004). <br> Activation of the human superior temporal gyrus during observation of goal attribution by intentional objects. &nbsp; <br> </font><font size="3">Journal of Cognitive Neuroscience, 16(10), 1695-705. <a href="Schultz.pdf">[PDF]</a> </font><br><br> <font size="3">Haruno M., Kuroda T., Doya K., Toyama K., Kimura M., Samejima K., Imamizu H., &amp; Kawato M. (2004). <br> A neural correlate of reward-based behavioral learning in caudate nucleus: a functional magnetic resonance imaging study of a stochastic decision task.&nbsp; <br> </font><font size="3">Journal of Neuroscience, 24(7), 1660-5. <a href="Haruno.pdf">[PDF]</a> </font><br><br> <font size="3">Kawato M, Kuroda T, Imamizu H, Nakano E, Miyauchi S, &amp; Yoshioka T. (2003). <br> Internal forward models in the cerebellum: fMRI study on grip force and load force coupling.&nbsp;<br> </font><font size="3">Prog Brain Res., 142, 171-88. <a href="Kawato.pdf">[PDF]</a> </font><br> <p><font size="3">Miall, R.C., Reckess, G.Z. &amp; Imamizu, H. (2001)<br> The cerebellum coordinates eye and hand tracking movements.<br> Nature Neuroscience, 4(6), 638-644</font></p> <p><font size="3">Miall, R.C., Imamizu, H., &amp; Miyauchi, S.. (2000)<br> Activation of the cerebellum in co-ordinated eye and hand tracking movements: an fMRI study.<br> Exp Brain Res,135(1), 22-33. </font><font size="3"><br> <br> Flanagan, J.R., Nakano, E., Imamizu, H., Osu, R., Yoshioka, T., &amp; Kawato, M. (1999). <br> Composition and decomposition of internal models in motor learning under altered kinematic and dynamic environments. <br> The Journal of Neuroscience, 19(20):RC34:1-5. </font><font size="3"> <a href="http://www.jneurosci.org/cgi/content/full/19/20/RC34">[full text]</a> </font> </p> <p><font size="3">Tamada, T., Miyauchi, S., Imamizu, H., Yoshioka, T., &amp; Kawato, M. (1999). <br> Cerebro-cerebellar functional connectivity revead by the laterality index in tool-use learning.<br> &nbsp; Neuroreport, 10(2), 325-31. </font> <p><font size="3">Itakura, S., &amp; Imamizu, H. (1994). <br> An exploratory study of mirror-image shape discrimination in young children: vision and touch.<br> &nbsp; Percept Mot Skills, 78(1), 83-8. </font></p> <table width="150" border="0" cellpadding="2" bgcolor="#DC54AD" bordercolor="#E7E7E7"> <tr bgcolor="#DC54AD"> <td> <div align="center"><b><font color="#FFFFFF"> &nbsp; <a name="Affil"></a><b></b>Professional Affiliations<font size="4"> </font></font></b> </div> </td> </tr> </table> <p><font size="3">- The Japan Psychological Association</font><br> <font size="3">- Japan Society of Developmental Psychology<br> </font><font size="3">- Society for Neuroscience, USA</font> </p> </div> <div class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto; mso-list:l1 level1 lfo18;tab-stops:list 36.0pt"> </div> <div class="MsoNormal" style="text-align:center"> <center> <hr size=2 width="100%" align=center></center> </div> <div class="MsoNormal"><a NAME="ADDR"></a><b><i>Address</i></b></div> <div class="MsoNormal"><i><br> Hiroshi Imamizu</i></div> <br> <i> Department of Cognitive Neuroscience </i><br> <i> ATR Cognitve Mechanisms Laboratories</i> <br> <i>2-2-2 Hikaridai, Seika, Soraku, Kyoto, Japan 619-0288</i> <br> <i>Phone: +81 (0)774-95-1220</i> <br> <i>Fax: +81 (0)774-95-1236</i> <br> <i>http://www.cns.atr.jp/~imamizu</i> <br> &nbsp; <div class="MsoNormal" style="text-align:center"> <center> <hr size=2 width="100%" align=center> </center> </div> <address> <font size="3">imamizu @ gmail.com </a>/ Last Revised Oct 24, 2011</font></address> </div> </body> </html>