JPIRNAL ARTICLES Recent Activity Journal Articies book Chapters invited Lectures. Talks & symposia Conference Papers Conference Abstracts & Patents Technical Reports Publications in Japanese

Sugiyama M, Nakahara H, Tsuda K. (2016) Information Decomposition on Structured Space. arXiv.org. arXiv:1601.05533.

Kaveri S, Nakahara H. (2014) Dual Reward Prediction Components Yield Pavlovian Sign- and Goal-Tracking. PLoS ONE. 9(10): e108142.

Nakahara H. (2014) Multiplexing signals in reinforcement learning with internal models and dopamine. Current Opinion in Neurobiology. 25: 123-129.

Nakahara H, Hikosaka O. (2012) Learning to represent reward structure: A key to adapting to complex environments. Neuroscience Research. 74(3-4): 177-183.

Nakamura K, Santos GS, Matsuzaki R, Nakahara H. (2012) Differential reward coding in the subdivisions of the primate caudate during an oculomotor task. Journal of Neuroscience. 32(45): 15963-15982.

Suzuki S, Harasawa N, Ueno K, Gardner JL, Ichinohe N, Haruno M, Cheng K, Nakahara H. (2012) Learning to simulate others’ decisions. Neuron. 74: 1125-1137.

Santos GS, Nagasaka Y, Fujii N, Nakahara H. (2012) Encoding of social state information by neuronal activities in the macaque caudate nucleus. Social Neuroscience. 7(1): 42-58.

Yu S, Yang H, Nakahara H, Santos GS, Nikolić D, Plenz D. (2011) Higher-order interactions characterized in cortical activity. The Journal of Neuroscience. 31(48): 17514-17526.

Nakahara H, Kaveri S. (2010) Internal-time temporal difference model for neural value-based decision making. Neural Computation. 22(12): 3062-3106.

Bromberg-Martin ES, Matsumoto M, Nakahara H, Hikosaka O. (2010) Multiple timescales of memory in lateral habenula and dopamine neurons. Neuron. 67(3): 499-510.

Santos GS, Gireesh ED, Plenz D, Nakahara H. (2010) Hierarchical interaction structre of neural activities in cortical slice cultures. The Journal of Neuroscience. 30(26): 8720-8733.

Bissmark F, Nakahara H, Doya K, Hikosaka O. (2008) Combining modalities with different latencies for optimal motor control. Journal of Cognitive Neuroscience. 20(11): 1966-1979.

Plessy C, Fagiolini M, Wagatsuma A, Harasawa N, Kuji T, Asaka-Obam A, Kanzaki Y, Fujishima S, Waki K, Nakahara H, Hensch TK, Carninci P. (2008) A resource for transcriptomic analysis in the mouse brain. PLoS ONE. 3(8): e3012.

Takenaka K, Nagasaka Y, Hihara S, Nakahara H, Iriki A, Kuniyoshi Y, Fujii N. (2007) Linear discrimination analysis of monkey behavior in an alternative free choice task. Journal of Robotics and Mechatronics. 19(4): 416-422.

Nakahara H, Nakamura K, Hikosaka O. (2006) Extended LATER model can account for trial-by-trial variability of both pre- and post-processes. Neural Networks. 19(8): 1027-1046.

Nakahara H, Morita K, Wurtz RH, Optican LM. (2006) Saccade-related spread of activity across superior colliculus may arise from asymmetry of internal connections. Journal of Neurophysiology. 96(2): 765-774.

Amari S, Nakahara H. (2006) Correlation and independence in the neural code. Neural Computation. 18(6): 1259-1267.

Hikosaka O, Nakamura K, Nakahara H. (2006) Basal ganglia orient eyes to reward. Journal of Neurophysiology. 95(2): 567-584.

Nakahara H, Amari S, Richmond BJ. (2006) A comparison of descriptive models of a single spike train by information-geometric measure. Neural Computation. 18(3): 545-568.

Nelson B, Nishimura S, Kanuka H, KuranagaE, Inoue M, Hori G, Nakahara H, Miura M. (2005) Isolation of gene sets affected specifically by polyglutamine expression: Implication of the TOR signaling pathway in neurodegeneraton. Cell Death and Differentiation. 12(8): 1115-1123.

Amari S, Nakahara H. (2005) Difficulty of singularity in population coding. Neural Computation. 17(4): 839-858.

Inoue M, Nishimura S, Hori G, Nakahara H, Saito M, Yoshihara Y, Amari S. (2004) Improved parameter estimation for variance-stabilizing transformation of gene-expression microarray data. Journal of Bioinformatics and Computational Biology. 2(4): 669-679.

Wu S, Amari S, Nakahara H. (2004) Information processing in a neuron ensemble with the multiplicative correlation structure. Neural Networks. 17(2): 205-214.

Nakahara H, Itoh H, Kawagoe R, Takikawa Y, Hikosaka O. (2004) Dopamine neurons can represent context-dependent prediction error. Neuron. 41(2): 269-280.

Kasai H, Matsuzaki M, Noguchi J, Yasumatsu N, Nakahara H. (2003) Structure-stability-function relationships of dendritic spines. Trends in Neurosciences. 26(7): 360-368.

Nakahara H, Nishimura S, Inoue M, Hori G, Amari S. (2003) Gene interaction in DNA microarray data is decomposed by information geometric measure. Bioinformatics. 19(9): 1124-1131.

Itoh H,Nakahara H, Hikosaka O, Kawagoe R, Takikawa Y, Aihara K. (2003) Correlation of primate caudate neural activity and saccade parameters in reward-oriented behavior. Journal of Neurophysiology. 89(4): 1774-1783.

Amari S, Nakahara H, Wu S, Sakai Y. (2003) Synchronous firing and higher-order interactions in neuron pool. Neural Computation. 15(1): 127-142.

Nakahara H, Amari S. (2002) Information geometric measure for neural spikes. Neural Computation. 14(10): 2269-2316.

Wu S, Amari S, Nakahara H. (2002a) Asymptotic behaviors of population codes. Neurocomputing. 44-46: 697-702.

Wu S, Amari S, Nakahara H. (2002b) Population coding and decoding in a neural field: A computational study. Neural Computation. 14(5):999-1026.

Takikawa Y, Kawagoe R, Ito H, Nakahara H, Hikosaka O. (2002) Modulation of saccadic eye movements by predicted reward outcome. Experimental Brain Research. 142(2): 284-291.

Nakahara H, Amari S, Hikosaka O. (2002) Self-organization in the basal ganglia with modulation of reinforcement signals. Neural Computation. 14(4): 819-844.

Nakahara H, Amari S. (2002) Attention modulation of neural tuning through peak and base rate in correlated firing. Neural Networks. 15(1): 41-55.

Hikosaka O, Nakamura K, Sakai K, Nakahara H. (2002) Central mechanisms of motor skill learning. Current Opinion in Neurobiology. 12(2): 217-222.

Nakahara H, Wu S, Amari S. (2001) Attention modulation of neural tuning through peak and base rate. Neural Computation. 13(9): 2031-2047.

Wu S, Nakahara H, Amari S. (2001) Population coding with correlation and an unfaithful model. Neural Computation. 13(4): 775-797.

Nakahara H, Doya K, Hikosaka O. (2001) Parallel cortico-basal ganglia mechanisms for acquisition and execution of visuomotor sequences: A computational approach. Journal of Cognitive Neuroscience. 13(5): 626-647.

Hikosaka O, Nakahara H, Rand MK, Sakai K, Lu X, Nakamura K, Miyachi S, Doya K. (1999) Parallel neural networks for learning sequential procedures. Trends in Neuroscience. 22(10): 464-471.

Nakahara H, Doya K. (1998) Near-saddle-node bifurcation behavior as dynamics in working memory for goal-directed behavior. Neural Computation. 10(1): 113-132.