Japanese
Yasushi KIYOKAWA, Ph.D., DVM.




Associate Professor
Laboratory of Veterinary Ethology,
The University of Tokyo
1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
E-mail: kiyokawa_yasushie-mail adress
[Google Scholar Profile]

Societies
Internatinal Behavioral Neuroscience Society
The Japanese Society of Veterinary Science
The Japan Neuroscience Society





kiyokawa photo
with APOPO's HeroRAT@Morogoro, Tanzania

A definition of social buffering and potential pitfalls were summarized in Neuroscience & Biobehavioral Reviews. [PubMed]


Research Interest

I aim to understand animals' mode of life by analyses at the individual level. Brown rats (Rattus norvegicus) are one of the wild animals that have coexisted with human populations for thousands of years. In addition, laboratory rats, domesticated brown rats, are one of the major experimental animals in the world. However, surprisingly, little is known about their mode of life. I am currently studying both laboratory rats and wild brown rats to understand their social lives.

In laboratory rats, I focus on two chemical communications. One is the "alarm pheromone" that is released by stressed rats and augments anxiety responses in others. The other is the appeasing pheromone that induces "social buffering," a phenomenon in which the presence of affiliative conspecifics mitigates a variety of stress responses in others. These communications may be the basis for the social lives of wild brown rats.

In wild brown rats, I am studying "neophobia," the avoidance of novel objects and/or familiar objects moved to a novel position. This behavior enables wild brown rats to avoid danger, including traps and rodenticides, in their lives. In addition, because they are a major pest, we can obtain the records of culling campaigns and complaints from collaborating pest management companies and associations (e.g., the record of campaigns in Tsukiji Market). These data provide information about the ecological dynamics of the target population.

Even today, brown rats are one of the major risks to public health and livestock industries. Therefore, the analyses of brown rats' mode of life would be a contribution to society from the field of veterinary medicine and animal life science.


Education


1996Apr.-2002Mar.DVM (Doctor of Veterinary Medicine),
Department of Veterinary Medical Science, The University of Tokyo
2002Apr.-2006Mar.PhD,
Graduate School of Agricultural and Life Sciences, The University of Tokyo


Academic appointments


2005Apr.-2007Mar. Research Fellow of the Japan Society for the Promotion of Science (DC2),
Laboratory of Veterinary Ethology, The University of Tokyo
2007Apr.-2010Mar.Research Fellow of the Japan Society for the Promotion of Science (PD),
Laboratory of Veterinary Physiology, The University of Tokyo
2010Apr.-2019Mar.Assistant Professor,
Laboratory of Veterinary Ethology, The University of Tokyo
2019Apr.-PresentAssociate Professor,
Laboratory of Veterinary Ethology, The University of Tokyo


Publications in scientific journals: All publication list



Alarming communication project

Kobayashi-Sakashita, M., Kiyokawa, Y. and Takeuchi, Y. (2023)
Parallel olfactory systems synergistically activate the posteroventral part of the medial amygdala upon alarm pheromone detection in rats
Neuroscience, 521, 123-133. [PubMed]
Kiyokawa, Y., Kuroda, N. and Takeuchi, Y. (2022)
The strain of unfamiliar conspecifics affects stress identification in rats
Behavioural Processes, 201, 104714. [PubMed]
Kiyokawa, Y. (2017)
Social Odors: Alarm Pheromones and Social Buffering
Current Topics in Behavioral Neurosciences, 30, 47-65. [PubMed]
Muyama, H., Kiyokawa, Y., Inagaki, H., Takeuchi, Y. and Mori, Y. (2016)
Alarm pheromone does not modulate 22-kHz calls in male rats
Physiology & Behavior, 156, 59-63. [PubMed]
Breitfeld, T., Bruning, J. E., Inagaki, H., Takeuchi, Y., Kiyokawa, Y. and Fendt, M. (2015)
Temporary inactivation of the anterior part of the bed nucleus of the stria terminalis blocks alarm pheromone-induced defensive behavior in rats
Frontiers in Neuroscience, 9, 321. [PubMed]
Kobayashi, T., Kiyokawa, Y., Takeuchi, Y. and Mori, Y. (2015)
Neural correlates underlying naloxone-induced amelioration of sexual behavior deterioration due to an alarm pheromone
Frontiers in Neuroscience, 9, 52. [PubMed]
Inagaki, H., Kiyokawa, Y., Tamogami, S., Watanabe, H., Takeuchi, Y. and Mori, Y. (2014)
Identification of a pheromone that increases anxiety in rats
Proceedings of the National Academy of Sciences of the United States of America, 111, 18751-18756. [PubMed]
Kiyokawa, Y., Kodama, Y. Kubota, T., Takeuchi, Y. and Mori, Y. (2013)
Alarm pheromone is detected by the vomeronasal organ in male rats
Chemical Senses, 38, 661-668. [PubMed]
Kobayashi, T., Kiyokawa, Y., Arata, S., Takeuchi, Y. and Mori, Y. (2013)
Naloxone blocks the deterioration of male sexual behavior induced by alarm pheromone in rats
Journal of Veterinary Medical Science, 75, 761-765. [PubMed]
Kobayashi, T., Kiyokawa, Y., Arata, S., Takeuchi, Y. and Mori, Y. (2013)
C-Fos expression during the modulation of sexual behavior by an alarm pheromone
Behavioural Brain Research, 237, 230-237. [PubMed]
Inagaki, H., Kiyokawa, Y., Takeuchi, Y. and Mori, Y. (2012)
Male rats respond to their own alarm pheromone
Journal of Veterinary Medical Science, 74, 79-82. [PubMed]
Kobayashi, T., Kiyokawa, Y., Takeuchi, Y. and Mori, Y. (2011)
Pretreatment with CP-154526 blocks the modifying effects of alarm pheromone on components of sexual behavior in male, but not in female, rats
Chemical Senses, 36, 623-632. [PubMed]
Inagaki, H., Kiyokawa, Y., Takeuchi, Y. and Mori, Y. (2010)
The alarm pheromone in male rats as a unique anxiety model: Psychopharmacological evidence using anxiolytics
Pharmacology Biochemistry and Behavior, 94, 575-579. [PubMed]
Inagaki, H., Nakamura, K., Kiyokawa, Y., Kikusui, T., Takeuchi, Y. and Mori, Y. (2009)
The volatility of an alarm pheromone in male rats
Physiology & Behavior, 96, 749-752. [PubMed]
Inagaki, H., Kiyokawa, Y., Kikusui, T., Takeuchi, Y. and Mori, Y. (2008)
Enhancement of the acoustic startle reflex by an alarm pheromone in male rats
Physiology & Behavior, 93, 606-611. [PubMed]
Kiyokawa, Y., Kikusui, T., Takeuchi, Y. and Mori, Y. (2007)
Removal of the vomeronasal organ blocks the stress-induced hyperthermia response to alarm pheromone in male rats
Chemical Senses, 32, 57-64. [PubMed]
Kiyokawa, Y., Shimozuru, M., Kikusui, T., Takeuchi, Y. and Mori, Y. (2006)
Alarm pheromone increases defensive and risk assessment behaviors in male rats
Physiology & Behavior, 87, 383-387. [PubMed]
This study was featured in Understanding Animal Welfare (by David Fraser)
Kiyokawa, Y., Kikusui, T., Takeuchi, Y. and Mori, Y. (2005)
Alarm pheromone that aggravates stress-induced hyperthermia is soluble in water
Chemical Senses, 30, 513-519. [PubMed]
Kiyokawa, Y., Kikusui, T., Takeuchi, Y. and Mori, Y. (2005)
Mapping the neural circuit activated by alarm pheromone perception by c-Fos immunohistochemistry
Brain Research, 1043, 145-154. [PubMed]
Kiyokawa, Y., Kikusui, T., Takeuchi, Y. and Mori, Y. (2004)
Alarm pheromones with different functions are released from different regions of the body surface of male rats
Chemical Senses, 29, 35-40. [PubMed]
Kiyokawa, Y., Kikusui, T., Takeuchi, Y. and Mori, Y. (2004)
Modulatory role of testosterone in alarm pheromone release by male rats
Hormones and Behavior, 45, 122-127. [PubMed]
Appeasing communication project

Yamasaki, T., Kiyokawa, Y., Munetomo, A., and Takeuchi, Y. (in press)
Naloxone increases conditioned fear responses during social buffering in male rats
European Journal of Neuroscience
Kiyokawa, Y., Tamogami, S., Ootaki, M., Kahl, E., Mayer, D., Fendt, M., Nagaoka, S., Tanikawa, T. and Takeuchi, Y. (2023)
An appeasing pheromone ameliorates fear responses in the brown rat (Rattus norvegicus)
iScience, 26, 107081. [Article]
Lu, M.H., Uematsu, A., Kiyokawa, Y., Emoto, K. and Takeuchi, Y. (2023)
Glutamatergic projections from the posterior complex of the anterior olfactory nucleus to the amygdala complexes
Neuroscience, 521, 102-109. [PubMed]
Zhang, X., Kiyokawa, Y. and Takeuchi, Y. (2022)
Mapping of c-Fos expression in the medial amygdala following social buffering in male rats
Behavioural Brain Research, 422, 113746. [PubMed]
Kogo, H., Maeda, N., Kiyokawa, Y. and Takeuchi, Y. (2021)
Rats do not consider all unfamiliar strains to be equivalent
Behavioural Processes, 190, 104457. [PubMed]
Mikami, K., Kiyokawa, Y., Ishii, A. and Takeuchi, Y. (2020)
Social buffering enhances extinction of conditioned fear responses by reducing corticosterone levels in male rats
Hormones and Behavior, 118, 104654. [PubMed]
Minami, S., Kiyokawa, Y. and Takeuchi, Y. (2019)
The lateral intercalated cell mass of the amygdala is activated during social buffering of conditioned fear responses in male rats
Behavioural Brain Research, 372, 112065. [PubMed]
Kiyokawa, Y., Li, Y. and Takeuchi, Y. (2019)
A dyad shows mutual changes during social buffering of conditioned fear responses in male rats
Behavioural Brain Research, 366, 45-55. [PubMed]
Kiyokawa, Y., Kawai, K. and Takeuchi, Y. (2018)
The benefits of social buffering are maintained regardless of the stress level of the subject rat and enhanced by
more conspecifics
Physiology & Behavior, 194, 177-183. [PubMed]
Kiyokawa, Y. and Hennessy, M. (2018)
Comparative studies of social buffering: A consideration of approaches, terminology, and pitfalls
Neuroscience & Biobehavioral Reviews, 86, 131-141. [PubMed]
Kiyokawa, Y. (2017)
Social Odors: Alarm Pheromones and Social Buffering
Current Topics in Behavioral Neurosciences, 30, 47-65. [PubMed]
Kiyokawa, Y. and Takeuchi, Y. (2017)
Social buffering ameliorates conditioned fear responses in the presence of an auditory conditioned stimulus
Physiology & Behavior, 168, 34-40. [PubMed]
Nakamura, K., Ishii, A., Kiyokawa, Y., Takeuchi, Y. and Mori, Y. (2016)
The strain of an accompanying conspecific affects the efficacy of social buffering in male rats
Hormones and Behavior, 82, 72-77. [PubMed]
Mikami, K., Kiyokawa, Y., Takeuchi, Y. and Mori, Y. (2016)
Social buffering enhances extinction of conditioned fear responses in male rats
Physiology & Behavior, 163, 123-128. [PubMed]
Ishii, A., Kiyokawa, Y., Takeuchi, Y. and Mori, Y. (2016)
Social buffering ameliorates conditioned fear responses in female rats
Hormones and Behavior, 81, 53-58. [PubMed]
Kiyokawa, Y., Ishida, A., Takeuchi, Y. and Mori, Y. (2016)
Sustained housing-type social buffering following social housing in male rats
Physiology & Behavior, 158, 85-89. [PubMed]
Fuzzo, F., Matsumoto, J., Kiyokawa, Y., Takeuchi, Y., Ono, T. and Nishijo, H. (2015)
Social buffering suppresses fear-associated activation of the lateral amygdala in male rats: behavioral and neurophysiological evidence
Frontiers in Neuroscience, 9, 99. [Open Access]
Kiyokawa, Y., Honda, A., Takeuchi, Y. and Mori, Y. (2014)
A familiar conspecific is more effective than an unfamiliar conspecific for social buffering of conditioned fear responses in male rats
Behavioural Brain Research, 267, 189-193. [PubMed]
Kiyokawa, Y., Hiroshima, S., Takeuchi, Y. and Mori, Y. (2014)
Social buffering reduces male rats' behavioral and corticosterone responses to a conditioned stimulus
Hormones and Behavior, 65, 114-118. [PubMed]
Kiyokawa, Y., Kodama, Y., Takeuchi, Y. and Mori, Y. (2013)
Physical interaction is not necessary for the induction of housing-type social buffering of conditioned hyperthermia in male rats
Behavioural Brain Research, 256, 414-419. [PubMed]
Takahashi, Y., Kiyokawa, Y., Kodama, Y., Arata, S., Takeuchi, Y. and Mori, Y. (2013)
Olfactory signals mediate social buffering of conditioned fear responses in male rats
Behavioural Brain Research, 240, 46-51. [PubMed]
This study was featured in the Wall Street Journal (2013.01.22, Calming odors)
Kiyokawa, Y., Wakabayashi, Y., Takeuchi, Y. and Mori, Y. (2012)
The neural pathway underlying social buffering of conditioned fear responses in male rats
European Journal of Neuroscience, 36, 3429-3437. [PubMed]
Kodama, Y., Kiyokawa, Y., Takeuchi, Y. and Mori, Y. (2011)
Twelve hours is sufficient for social buffering of conditioned hyperthermia
Physiology & Behavior, 102, 188-192. [PubMed]
Kiyokawa, Y., Takeuchi, Y., Nishihara, M. and Mori, Y. (2009)
Main olfactory system mediates social buffering of conditioned fear responses in male rats
European Journal of Neuroscience, 29, 777-785. [PubMed]
Kiyokawa, Y., Takeuchi, Y. and Mori, Y. (2007)
Two types of social buffering differentially mitigate conditioned fear responses
European Journal of Neuroscience, 26, 3606-3613. [PubMed]
This study was featured in The Lab Rat Chronicles (by Kelly Lambert)
Kiyokawa, Y., Kikusui, T., Takeuchi, Y. and Mori, Y. (2004)
Partner's stress status influences social buffering effects in rats
Behavioral Neuroscience, 118, 798-804. [PubMed]
This study was featured in the APA Monitor on Psychology Volume 35 (8), 24-25, Sep. 2004 (American Psychological Association)
Wild rats project

Parsons, M.H., Stryjek, R., Bebas, P., Fendt, M., Blumstein, D.T., Kiyokawa, Y., Chrzanowski, M., and Munshi-South, J. (2023)
Why are predator cues in the field not more evocative? A 'real world' assay elicits subtle, but meaningful, responses by wild rodents to predator scents
Frontiers in Ecology and Evolution, 10, 1054568.
Parsons, M.H., Richardson, J.L., Kiyokawa, Y., Stryjek, R., Corrigan, R.M., Deutsch, M.A., Ootaki, M., Tanikawa, T., Parsons, F.E., and Munshi-South, J. (2021)
Rats and the COVID-19 pandemic: considering the influence of social distancing on a global commensal pest
Journal of Urban Ecology, 7, juab027. [article]
Kiyokawa, Y., Tanikawa, T., Ootaki, M. and Parsons, M. (2022)
Social distancing measures differentially affected rats in North America and Tokyo
Journal of Pest Science, 95, 79-86. [article]
Kiyokawa, Y., Koizumi, R., Yamada, R., Hijikata, M., Kimura, G., Tanaka, K.D., Takeuchi, Y. and Tanikawa, T. (2021)
Records of rat control campaigns in a food market with the largest seafood trading volume worldwide
Urban Ecosystems, 24, 1011-1021. [article]
Koizumi, R., Kiyokawa, Y., Tanaka, K.D., Kimura, G., Tanikawa, T. and Takeuchi, Y. (2021)
Existence of wild brown rats (Rattus norvegicus) that are indifferent to novel objects
Journal of Veterinary Medical Science, 83, 78-83. [PubMed]
Koizumi, R., Kiyokawa, Y., Tanaka, K.D., Tanikawa, T., and Takeuchi, Y. (2019)
Novel objects elicit greater activation in the basolateral complex of the amygdala of wild rats compared with laboratory rats
Journal of Veterinary Medical Science, 81, 1121-1128. [PubMed]
Koizumi, R., Kiyokawa, Y., Mikami, K., Ishii, A., Tanaka, K.D., Tanikawa, T., and Takeuchi, Y. (2018)
Structural differences in the brain between wild and laboratory rats (Rattus norvegicus): Potential contribution to wariness
Journal of Veterinary Medical Science, 80, 1054-1060. [PubMed]
Kiyokawa, Y., Tanaka, K.D., Ishii, A., Mikami, K., Katayama, M., Koizumi, R., Minami, S., Tanikawa, T. and Takeuchi, Y. (2017)
Two strains of roof rats as effective models for assessing new-object reaction
Journal of Veterinary Medical Science, 79, 702-708 [PubMed]

Presentation in the international meetings


Maeda, N., Kiyokawa, Y. and Takeuchi, Y.
Exploring the neurochemical background of strain preference in rats
The 46th Annual Meeting of the Japan Neuroscience Society (Neuro2022)
Sendai, Japan, 2023.08.02 ポスター 2Pa-146
Kobayashi-Sakashita, M., Kiyokawa, Y. and Takeuchi, Y.
Role of the posteroventral part of the medial amygdala in the neural mechanism of the alarm pheromone in rats
The 46th Annual Meeting of the Japan Neuroscience Society (Neuro2022)
Sendai, Japan, 2023.08.02 ポスター 2Pm-054
Yamasaki, T., Kiyokawa, Y. and Takeuchi, Y.
Exploring neurochemical background of social buffering of conditioned fear responses in rats
The 46th Annual Meeting of the Japan Neuroscience Society (Neuro2022)
Sendai, Japan, 2023.08.01 ポスター 1Pm-125
Kiyokawa, Y., Yamasaki, T., Maeda, N. and Takeuchi, Y.
Opioids mediate ingroup favoritism in rats
The 32nd Annual Meeting of the International Behavioral Neuroscience Society
Niagra Falls, Ontario, Canada, 2023.06.28 ポスター 175
Koizumi, R., Kiyokawa, Y., Endo, T., Tanikawa, T. and Hirata, S.
Circadian activity pattern of rats living in livestock farm
-17th Rodens et Spatium- International Conference on Rodent Biology
Valladolid, Castile and León, Spain, 2023.05.25 口頭
Kiyokawa, Y., Nakamura, K., Kogo, H., Kuroda, N., Maeda, N. and Takeuchi, Y.
Existence of ingroup favoritism based on strain in male rats
Neuroscience 2022: Society for Neuroscience annual meeting
San Diego, California, USA, 2022.11.14 ポスター 393.21
Kiyokawa, Y., Kogo, H., Kuroda, N. and Takeuchi, Y.
Rats do not consider all unfamiliar strains equivalent
The 45th Annual Meeting of the Japan Neuroscience Society (Neuro2022)
Okinawa, Japan/Hybrid, 2022.07.02 ポスター 3P-125
Kiyokawa, Y..
Volatile pheromones that enable rats to avoid danger and search for safety
Workshop: "The power of scents: Olfactory research from innovation to application & validation"
Morogoro, Tanzania, 2022.06.21 口頭
Lu, M.H., Kiyokawa, Y. and Takeuchi, Y.
Analyses of the Posterior complex of the Anterior Olfactory Nucleus Projections Associated with Rat Social Buffering
The 30th Annual Meeting of the International Behavioral Neuroscience Society
Puerto Vallarta, Jalisco, Mexico/Hybrid, 2021.06.03 Poster 106 ポスター
Kobayashi, M., Kiyokawa, Y. and Takeuchi, Y.
The integration site of two olfactory systems upon the detection of the alarm pheromone in rats
The 30th Annual Meeting of the International Behavioral Neuroscience Society
Puerto Vallarta, Jalisco, Mexico/Hybrid, 2021.06.03 Poster 102 ポスター
Lu, M.H., Kiyokawa, Y. and Takeuchi, Y.
Possible participation of the posteroventral medial amygdala in rat social buffering
NTU-UTokyo Veterinary Medicine Online Symposium
Online, 2020.12.09 口頭
Zhang, X., Kiyokawa, Y. and Takeuchi, Y.
The possible contribution of the medial amygdala to social buffering of conditioned fear responses in rats
The 43rd Annual Meeting of the Japan Neuroscience Society
Online, 2020.07.31 ポスター 3P-190
Kiyokawa, Y.
Alarm and appeasing pheromones in rats
The 42nd Annual Meeting of the Japan Neuroscience Society
Symposium: "Neurobiology of emotional communication in rodents"
Niigata, Japan, 2019.07.26 2S06m-1 口頭
Kiyokawa, Y..
Social buffering of stress responses: A possible measure of affiliation to the accompanying animal
Conference Neurobiology of empathy [Website]
Warsaw, Poland, 2018.09.10 口頭
Koizumi, R., Kiyokawa, Y., Tanaka, K., Tanikawa, T. and Takeuchi, Y.
Behavioral neuroscientific analysis on new-object reaction in wild brown rat (Rattus norvegicus)
The 41st Annual Meeting of the Japan Neuroscience Society
Kobe, Japan, 2018.07.26 2P-183 ポスター
Kiyokawa, Y., Minami, S. and Takeuchi, Y.
Functional mapping of the intercalated cell masses of the amygdala during social buffering of conditioned fear responses in male rats
The 41st Annual Meeting of the Japan Neuroscience Society
Kobe, Japan, 2018.07.26 1P-319 ポスター
Kiyokawa, Y., Minami, S. and Takeuchi, Y.
The role of lateral intercalated cell masses of the amygdala in social buffering of conditioned fear responses in male rats
The 27th Annual Meeting of the International Behavioral Neuroscience Society
Boca Raton, Florida, USA, Jun. 2018
Kiyokawa, Y.
Alarm and appeasing pheromones in rats
The 26th Annual Meeting of the International Behavioral Neuroscience Society
Hiroshima, Japan, Jun. 2017
Minami, S., Kiyokawa, Y. and Takeuchi, Y.
Neural correlates of social buffering in male rats
The 39th Annual Meeting of the Japan Neuroscience Society
Yokohama, Japan, Jul. 2016
Kiyokawa, Y., Nakamura, K., Ishii, A., Takeuchi, Y. and Mori, Y.
Strains of an accompanying conspecific affect the efficacy of social buffering in male rats
The 25th Annual Meeting of the International Behavioral Neuroscience Society
Budapest, Hungary, Jun. 2016
Kiyokawa, Y.
Social Odors: Alarm Pheromones and Social Buffering
2016 NPUST-UT Bilateral Conference
Pingtung, Taiwan, May 2016
Mikami, K., Kiyokawa, Y., Takeuchi, Y. and Mori, Y.
Social buffering enhances fear extinction in male rats
The 38th Annual Meeting of the Japan Neuroscience Society
Hyogo, Japan, Jul. 2015
Kiyokawa, Y., Mikami, K., Mikamura, Y., Ishii, A., Takeuchi, Y. and Mori, Y.
Characterization of fear response caused by a 3-second auditory conditioned stimulus in male rats
The 38th Annual Meeting of the Japan Neuroscience Society
Hyogo, Japan, Jul. 2015
Kiyokawa, Y., Mikami, K., Takeuchi, Y. and Mori, Y.
Social buffering enhances extinction of fear response in male rats
The 24th Annual Meeting of the International Behavioral Neuroscience Society
Victoria, British Columbia, Canada, Jun. 2015
Breitfeld, T., Bruning, J., Kiyokawa, Y., and Fendt, M.
Alarm pheromone-induced defensive behavior in rats: role of the bed nucleus of the stria terminalis
11th Göttingen Meeting of the German Neuroscience Society
Göttingen, Germany, Mar. 2015
Mikami, K., Kiyokawa, Y., Takeuchi, Y. and Mori, Y.
Effect of social buffering on fear extinction in male rats
The 37th Annual Meeting of the Japan Neuroscience Society
Kanagawa, Japan, Sep. 2014
Takahashi, D., Kiyokawa, Y., Takeuchi, Y. and Mori, Y.
Auditory conditioned stimulus asymmetrically activates central amygdala in male rats
The 37th Annual Meeting of the Japan Neuroscience Society
Kanagawa, Japan, Sep. 2014
Kiyokawa, Y., Inagaki, H., Takeuchi, Y. and Mori, Y.
An alarm pheromone in rats
The 23rd Annual Meeting of the International Behavioral Neuroscience Society
Las Vegas, Nevada, USA. Jun. 2014
Kiyokawa, Y., Honda, A., Takeuchi, Y. and Mori, Y.
A familiar conspecific is more effective in social buffering of conditioned fear responses in male rats
The 22nd Annual Meeting of the International Behavioral Neuroscience Society
Malahide, County Dublin, Ireland, Jun. 2013
Mikami, K., Kiyokawa, Y., Takeuchi, Y. and Mori, Y.
Characterization of fear extinction using 3-sec auditory conditioned stimulus in male rats
The 36th Annual Meeting of the Japan Neuroscience Society
Kyoto, Japan, Jun. 2013
Kiyokawa, Y.
Social buffering as a novel way to suppress fear responses
The 36th Annual Meeting of the Japan Neuroscience Society
Kyoto, Japan, Jun. 2013
Kiyokawa, Y.
Olfactory signals mediates social buffering of conditioned fear responses in male rats
The 10th International Symposium on Molecular and Neural Mechanisms of Taste and Olfactory Perception
Fukuoka, Japan, Nov. 2012
Kiyokawa, Y., Takahashi, Y., Takeuchi, Y. and Mori, Y.
Olfactory signals mediates social buffering of conditioned fear responses in male rats
The 35th Annual Meeting of the Japan Neuroscience Society
Aichi, Japan, Sep. 2012
Kiyokawa, Y., Takahashi, Y., Takeuchi, Y. and Mori, Y.
Appeasing pheromone mediates social buffering of conditioned fear responses
The 21st Annual Meeting of the International Behavioral Neuroscience Society
Kailua-Kona, Hawaii, USA Jun. 2012
Kiyokawa, Y., Takeuchi, Y. and Mori, Y.
The anterior olfactory nucleus is an important relay point connecting the main olfactory bulb and the amygdala in social buffering
The 34th Annual Meeting of the Japan Neuroscience Society
Kanagawa, Japan, Sep. 2011
Kobayashi, T., Kiyokawa, Y., Takeuchi, Y. and Mori, Y.
Neural pathway for alarm-pheromone induced suppression of male sexual behavior in rats
The 34th Annual Meeting of the Japan Neuroscience Society
Kanagawa, Japan, Sep. 2011
Kiyokawa, Y., Takeuchi, Y. and Mori, Y.
Anterior olfactory nucleus suppresses ipsilateral amygdala in social buffering of conditioned fear responses
The 20th Annual Meeting of the International Behavioral Neuroscience Society
Steamboat springs, Colorado, USA May. 2011
Kobayashi, T., Kiyokawa, Y., Takeuchi, Y. and Mori, Y.
Alarm pheromone suppresses sexual behavior in male rats
The 20th Annual Meeting of the International Behavioral Neuroscience Society
Steamboat springs, Colorado, USA May. 2011
Kodama, Y, Kiyokawa, Y., Takeuchi, Y. and Mori, Y.
Characterization of housing-type social buffering in male rats
The 40th Annual Meeting of the Society for Neuroscience (Neuroscience2010)
San Diego, USA, Nov. 2010
Kobayashi, T., Kiyokawa, Y., Takeuchi, Y. and Mori, Y.
Alarm pheromone suppresses male but not female sexual behavior in rats
The 33rd Annual Meeting of the Japan Neuroscience Society (Neuro2010)
Hyogo, Japan, Sep. 2010
Kodama, Y., Kiyokawa, Y., Takeuchi, Y. and Mori, Y.
Physical interactions are not required for the housing-type social buffering in male rats
The 33rd Annual Meeting of the Japan Neuroscience Society (Neuro2010)
Hyogo, Japan, Sep. 2010
Kiyokawa, Y., Takeuchi, Y., Nishihara, M. and Mori, Y.
Anterior olfactory nucleus plays an important role in the social buffering of conditioned fear responses in male rats
The 33rd Annual Meeting of the Japan Neuroscience Society (Neuro2010)
Hyogo, Japan, Sep. 2010
Kiyokawa, Y., Takeuchi, Y., Nishihara, M. and Mori, Y.
Anterior olfactory nucleus plays an important role in social buffering of conditioned fear responses
The 19th Annual Meeting of the International Behavioral Neuroscience Society
Sardinia, Italy, Jun. 2010
Kiyokawa, Y., Takeuchi, Y., Nishihara, M. and Mori, Y.
Main olfactory system is essential for the social buffering of conditioned fear responses in male rats
The 32nd Annual Meeting of the Japan Neuroscience Society
Aich, Japan, Sep. 2009
Kodama, Y., Kiyokawa, Y., Takeuchi, Y. and Mori, Y.
Twelve-hour pair housing attenuates stress-induced hyperthermia in response to conditioned stimulus
The 32nd Annual Meeting of the Japan Neuroscience Society
Aich, Japan, Sep. 2009
Kiyokawa, Y., Takeuchi, Y., Nishihara, M. and Mori, Y.
Main olfactory system mediates social buffering of conditioned fear responses in male rats
The 18th Annual Meeting of the International Behavioral Neuroscience Society
Nassau, Bahamas, Jun. 2009
Inagaki, H., Kiyokawa, Y., Takeuchi, Y. and Mori, Y.
The alarm pheromone increases anxiety in male rats: pharmacological evidence using anxiolytics
The 15th International Symposium on Olfaction and Taste/Association for Chemoreception Sciences 30th Annual Meeting
San Francisco, USA, Jul. 2008
Kiyokawa, Y., Takeuchi, Y. Nishihara, M. and Mori, Y.
Social buffering mitigates conditioned fear responses without physical contact in male rats
The 31st Annual Meeting of the Japan Neuroscience Society
Tokyo, Japan, Jul. 2008
Kiyokawa, Y., Takeuchi, Y. Nishihara, M. and Mori, Y.
Social buffering mitigates conditioned fear responses without physical contact in male rats
The 17th Annual Meeting of the International Behavioral Neuroscience Society
St. Thomas, US Virgin Island, Jun. 2008
Kiyokawa, Y., Takeuchi, Y. and Mori, Y.
Two types of social buffering effects on conditioned fear responses in male rats
The 37th Annual Meeting of the Society for Neuroscience (Neuroscience 2007)
San Diego, USA, Nov. 2007
Kiyokawa, Y., Kikusui, T., Takeuchi, Y. and Mori, Y.
Two types of social buffering differentially attenuates conditioned fear responses in male rats
The 30th Annual Meeting of the Japan Neuroscience Society (Neuro 2007)
Yokohama, Japan, Sep. 2007
Inagaki, H., Kiyokawa, Y., Kikusui, T., Takeuchi, Y. and Mori, Y.
Enhancement of the acoustic startle reflex by an alarm pheromone in rats
International Society for Neuroethology, 8th International Congress of Neuroethology
Vancouver, Canada. Jul. 2007
Kiyokawa, Y., Inagaki, H., Kikusui, T., Takeuchi, Y. and Mori, Y.
Alarm pheromone in male rats
The 41th Annual Meeting of the Japanese Association for the Study of Taste and Smell
Tokyo, Japan. Jul. 2007
Kiyokawa, Y., Kikusui, T., Takeuchi, Y. and Mori, Y.
Two types of social buffering differentially attenuate conditioned fear responses in male rats
The 16th Annual Meeting of the International Behavioral Neuroscience Society
Rio de Janeiro, Brazil. Jun. 2007
Kiyokawa, Y.
Alarm pheromone in rats
International Symposium on "Evolutionary Aspect of Chemical Communication and Animal Behavior"
Tokyo, Japan, May. 2006
Kiyokawa, Y., Kikusui, T., Takeuchi, Y. and Mori, Y.
The role of the vomeronasal organ in alarm pheromone perception
Association for Chemoreception Sciences 28th Annual Meeting
Sarasota, FL, USA, Apr. 2006
Kiyokawa, Y., Shimozuru, M., Kikusui, T., Takeuchi, Y. and Mori, Y.
Alarm pheromone increases defensive and risk assessment behavior in male rats
The 35th Annual Meeting of the Society for Neuroscience (Neuroscience 2005)
Washington DC, USA, Nov. 2005
Kikusui, T., Kiyokawa, Y. and Mori, Y.
Deprivation of mother-pup interaction by early weaning alters the pattern of myelin formation in mice
The 35th Annual Meeting of the Society for Neuroscience (Neuroscience 2005)
Washington DC, USA, Nov. 2005
Kiyokawa, Y., Kikusui, T., Takeuchi, Y. and Mori, Y.
Water-soluble alarm pheromone induced autonomic stress response in male rats
Association for Chemoreception Sciences 27th Annual Meeting
Sarasota, FL, USA, Apr. 2005
Kiyokawa, Y.
Emotional communication in rats
International Symposium on "Social Cognition as a Higher Brain Function"
Tokyo, Japan, Mar. 2005
Kiyokawa, Y., Kikusui, T., Takeuchi, Y. and Mori, Y.
Alarm pheromone that aggravate stress-induced hyperthermia in rats is soluble in water
International Symposium on the Instinctive Brain Mechanisms Underlying the Basics of Life
Tokyo, Japan, Jan. 2005
Kikusui, T., Kiyokawa, Y. and Mori, Y.
Rat's alarm pheromones; its mechanisms of production, perception and behavioral effects
Current Status and Perspectives in Reproductive Biology and Biotechnology
Satellite Symposium of the Japanese Society of Animal Reproduction Annual Meeting 2004
Kyoto, Japan, Sep. 2004
Kiyokawa, Y., Kikusui, T., Takeuchi, Y. and Mori, Y.
Identifying the neural circuit of alarm pheromone perception
Society for Behavioral Neuroendocrinology Eighth Annual Meeting
Lisbon, Portugal, Jul. 2004
Kiyokawa, Y., Kikusui, T., Takeuchi, Y. and Mori, Y.
Functional analyses of the alarm pheromone in male rats
The 14th International Symposium on Olfaction and Taste/The 38th Annual Meeting of the Japanese Association for the Study of Taste and Smell
Kyoto, Japan, Jul. 2004
Kiyokawa, Y., Kikusui, T., Takeuchi, Y. and Mori, Y.
Release of alarm pheromones from male rats
Society for Behavioral Neuroendocrinology Seventh Annual Meeting
Cincinnati, OH, USA, Jun. 2003
Kikusui, T., Takigami, S., Kiyokawa, Y., Takeuchi, Y. and Mori, Y.
Alarm pheromones in male rats
Society for Behavioral Neuroendocrinology Sixth Annual Meeting
Amherst, MA, USA, Jun. 2002
Kiyokawa, Y., Kikusui, T., Takeuchi, Y. and Mori, Y.
The alarm pheromone in rats; its physio-behavioral effects and sources
Brain, Nose & Pituitary International Symposium
Tokyo, Japan, Dec. 2000

since 2001.3.1