Curriculum Vitae
Shigeyoshi Fujisawa, Ph.D.
Team Leader
Laboratory for Systems Neurophysiology
RIKEN Center for Brain Science
Room 102b, BSI Neural Circuit Genetics Research Building
2-1 Hirosawa, Wako, Saitama, Japan 351-0198
Tel: +81-48-467-5159 (direct)
Tel: +81-48-462-1111 ext.6211
Shigeyoshi.fujisawa@riken.jp

Academic Employment
2018.4-present

RIKEN Center for Brain Science, Team Leader

2012.9-2018.3

RIKEN Brain Science Institute, Team Leader

2012.3-2012.9

New York University, School of Medicine, The Neuroscience Institute,
Dr. György Buzsáki’s Laboratory, Researcher

2005.6-2012.2

Rutgers University, Center for Molecular and Behavioral Neuroscience,
Dr. György Buzsáki’s Laboratory, Researcher

2005.4-2005.5

The University of Tokyo, Graduate School of Pharmaceutical Sciences,
ResearcherEducation
2005.3

Ph.D., Pharmaceutical Science
Graduate School of Pharmaceutical Sciences, The University of Tokyo, Japan
Adviser: Dr. Yuji Ikegaya and Dr. Norio Matsuki

2002.3

M.Sc., Engineering
Graduate School of Engineering, Kyoto University, Japan
Adviser: Dr. Ali Ide-Ektessabi

2000.3

B.Sc., Engineering
Department of Engineering, Kyoto University, Japan
Adviser: Dr. Ali Ide-Ektessabi

Shigeyoshi Fujisawa

Publications
1. Danjo T, Toyoizumi T, & Fujisawa S* (2018) Spatial representations of self and other in thehippocampus. Science, 359:213-218.
2. Norimoto H, Makino K, Gao M, Shikano Y, Okamoto K, Ishikawa T, Sasaki T, Hioki H, Fujisawa S*,& Ikegaya Y * (2018) Hippocampal ripples down-regulate synapses. Science, 359:524-1527.
3. Agetsuma M*, Hamm JP, Tao K, Fujisawa S, & Yuste R (2017) Parvalbumin-Positive Interneurons
Regulate Neuronal Ensembles in Visual Cortex. Cereb Cortex. 28:1831-1845.
4. Terada S, Sakurai Y, Nakahara H, & Fujisawa S* (2017) Temporal and rate coding for discrete
event sequences in the hippocampus. Neuron, 94:1248–62.
5. Berényi A, Somogyvári Z, Nagy AJ, Roux L, Long JD, Fujisawa S, Stark E, Leonardo A, Harris TD,& Buzsáki G* (2014) Large-scale, high-density (up to 512 channels) recording of local circuits inbehaving animals. J Neurophysiol. 111:1132-49.
6. Stark E, Eichler R, Roux L, Fujisawa S, Rotstein HG, & Buzsáki G* (2013) Inhibition-induced theta
resonance in cortical circuits. Neuron, 80:1263-76.
7. Patel J, Schomburg EW, Berényi A, Fujisawa S, & Buzsáki G* (2013) Local generation andpropagation of ripples along the septotemporal axis of the hippocampus. J. Neurosci. 33:17029-41.
8. Patel J, Fujisawa S, Berényi A, Royer S, & Buzsáki G* (2012) Traveling Theta Waves along theEntire Septotemporal Axis of the Hippocampus. Neuron, 75:410-417.
9. Madisen L, Mao T, Koch H, Zhuo JM, Berenyi A, Fujisawa S, Hsu YW, Garcia AJ 3rd, Gu X,Zanella S, Kidney J, Gu H, Mao Y, Hooks BM, Boyden ES, Buzsáki G, Ramirez JM, Jones AR,Svoboda K, Han X, Turner EE & Zeng H* (2012) A toolbox of Cre-dependent optogenetictransgenic mice for light-induced activation and silencing. Nature Neurosci. 15:793-802.
10. Fujisawa S & Buzsáki G* (2011) A 4-Hz oscillation adaptively synchronizes prefrontal, VTA andhippocampal activities. Neuron, 72:153-165.
11. Sirota A, Montgomery S, Fujisawa S, Isomura Y, Zugaro M & Buzsáki G* (2008) Entrainment ofneocortical neurons and gamma oscillations by hippocampal theta rhythm. Neuron, 60:683-697.
12. Fujisawa S, Amarasingham A, Harrison MT & Buzsáki G* (2008) Behavior-dependent short-term
assembly dynamics in the medial prefrontal cortex. Nature Neurosci., 11:823-834.
13. Fujisawa S, Matsuki N & Ikegaya Y* (2006) Single neurons can induce phase transitions of corticalrecurrent networks with multiple internal states. Cereb Cortex, 16:639-654.

Shigeyoshi Fujisawa

14. Yasui T, Fujisawa S, Tsukamoto M, Matsuki N & Ikegaya Y* (2005) Dynamic synapses as archivesof synaptic history: state-dependent redistribution of synaptic efficacy in the rat hippocampal CA1.
J. Physiol., 566:143-160.
15. Fujisawa S, Matsuki N & Ikegaya Y* (2004) Chronometric readout from a memory trace: Gammafrequency field stimulation recruits timed recurrent activity in the rat CA3 network.

J. Physiol.,

560:123-131.
16. Koyama R, Yamada MK, Fujisawa S, Katoh-Semba R, Matsuki N, Nishiyama N & Ikegaya Y*(2004) Brain-derived neurotrophic factor induces hyperexcitable reentrant circuits in the dentategyrus. J. Neurosci., 24:9215-9224.
17. Fujisawa S, Yamada MK, Nishiyama N, Matsuki N & Ikegaya Y* (2004) BDNF boosts spike fidelity
in chaotic neural oscillations. Biophys. J., 86:1820-1828.
18. Baba A, Yasui T, Fujisawa S, Yamada RX, Yamada MK, Nishiyama N, Matsuki N & Ikegaya Y*(2003) Activity-evoked capacitative Ca2+ entry: Implications in synaptic plasticity. J. Neurosci., 23:7737-7741.
19. Yoshida S*, Ide-Ektessabi A & Fujisawa S. (2003) Application of synchrotron radiation inneuromicrobiology: role of iron in Parkinson's disease. Struct. Chem., 14: 85-95.
20. Ishihara R, Ide-Ektessabi A, Ikeda K, Mizuno Y, Fujisawa S, Takeuchi T, Ohta T*. (2002)
Investigation of cellular metallic elements in single neurons of human brain tissues. Neuroreport
13: 1817-1820.
21. Ide-Ektessabi A*, Fujisawa S, Sugimura K, Kitamura Y, Gotoh A. (2002) Quantitative analysis ofzinc in the prostate cancer tissues using synchrotron radiation micro beams. X-ray Spectrom. 31:7-11.
22. Ide-Ektessabi A*, Fujisawa S, Yoshida S. (2002) Chemical state imaging of iron in nerve cells froma patient with Parkinsonism-dementia complex. J. Appl. Phys. 91:1613-1617.
23. Kawai J*, Takagawa K, Fujisawa S, Ektessabi A, Hayakawa S. (2001) Microbeam XANES and Xray fluorescence analysis of cadmium in kidney. J.Trace. Microprobe. T., 19: 541-546.
24. Yoshida S*, Ektessabi A, Fujisawa S. (2001) XANES spectroscopy of a single neuron from apatient with Parkinson's disease. J. Synchrotron Radiat. 8: 998-1000.

Shigeyoshi Fujisawa