| 1. | 25-27 July, 1977. Pain in the Trigeminal Area. A satellite symposium of the 27th Inter-national Congress of Physiological Sciences. Bristol.Yokota, T. and Nishikawa, N.: Somatotopic organisation of trigeminal neurons within caudal medulla oblongata. |
| 2. | 25-26 August 1978. Symposium on Trigeminal Pain. A satellite symposium of the 2nd World Congress on Pain. Toronto.Yokota, T.: Trigeminal nociceptive neurons in the trigeminal subnucleus caudalis and bulbar lateral reticular formation. |
| 3. | 2-3 June, 1980. Symposium on Oral-facial Sensory and Motor Functions. Tokyo.Yokota, T.: Brain stem mechanisms of oral facial pain. |
| 4. | 11-12 September, 1981. Symposium on Anatomical, Physiological and Pharmacological Aspects of Trigeminal Pain. A satellite symposium of the 3rd World Congress on Pain. Dunblane.Yokota, T. and Koyama, N.: Reponses evoked in the caudal medulla by stimulation of neck muscle afferents.Yokota, T. and Nishikawa, Y.: Responses evoked in the caudal medulla by stimulation of toothpulp. |
| 5. | 12-13 December, 1982. International Symposisum on Pain. Kyoto.Yokota, T.: Functional connection of experimentally produced neuroma with neurons within the trigeminal subnucleus caudalis and nearby bulbar lateral reticular formation. |
| 6. | 5-6 August, 1983. Symposium on Oro-facial Pain and Neuromuscular Dysfunction. Sydney.Yokota, T.: Deafferentation and chronic oro-facial pain. |
| 7. | 6-7 September, 1984. Symposium on Recent Developments in Orofacial Pain: Basic and Clinical Research. A satellite symposium of the 6th World Congress on pain. Pot Ludlow, Washington.Yokota, T.: Location of tooth pulp units within the nucleus ventralis posteromedialis. |
| 8. | 8-10 January 1985. Japan-China Cooperative Symposium on Sensory Mechanisms and Bahaviour. Okazaki. Yokota, T.: Nociceptive neurons in the thalamus. |
| 9. | 8-11 July, 1986. Sympoium on Role of Fine Afferent Nerve Fibers and Pain. Lake Louise.Yokota, T., Masuda, T. and Taguchi, H. and Koyama, N.: Viscerosomatic convergence onto nociceptive neurons in the shell region of nucleus ventralis posterolateralis. |
| 10. | 20-23 July, 1986. Symposium on Effects of Injury on Trigeminal and Spinal Somatosnesory Systems. A satellite symposium of the 30th Congress of the International Union ofPhysiological Sciences. Timberline Lodge, Oregon. Yokota, T., Koyama, N. and Nishikawa, Y.: Nociceptive neurons in the shell reion of the ventrobasal complex of the thalamus. |
| 11. | 7 October, 1986. IASP-SASP Symposium in Stockholm. Stockholm.Yokota, T.: Thalamic mechanism of visceral pain. |
| 12. | 8-10 August, 1987. Satellite Symposium on Neurogeminc Trigeminal Pain. A satellite symposium of the 5th World Congress on Pain. Goeteborg.Yokota, T.: Neural mechanisms of trigeminal pain. |
| 13. | 28-29 October, 1987. Naito Foundaion International Symposium on Bio-warning System.Yokota, T., Nishikawa, N., Nishikawa, Y., Koyama, N., Taguchi, H., Masuda, T., Nomura, T. and Asato, F.: Thalamic mechanisms of nociception: Nociceptive neurons in VPL of cat thalamus. |
| 14. | 16-20 May, 1988. Symposium Devotd to the 90th P. K. Anokhin Anniversaary. Integrative Action of Neuron. Yalta, USSR.Yokota, T.: Thalamic mechanism of pain: nociceptive neurons in the ventrobasal complex of the cat and monkey. |
| 15. | 9-12 April, 1990. Symposium on Neurobiology of Nociception. A satellite symposium of the 6th World Congress on Pain. Kauai, Hawaii.Yokota, T: Thalamic mechanisms of nociception. |
| 16. | 14-16 October, 1991. Processing and Inhibition of Nociceptive Information. Osaka.Yokota, T., Koyama, N., Horie, H. and Nishikawa, Y.: Thalamic mechanism of visceral pain: Ascending inhibition of responses to visceral afferent input of VPL and intralaminar nociceptive neurons. |
| 17. | 17-19 August, 1993. Alpha 2- Adrenergic Mechanisms in Spinal Analgesia Lucerne Symposium.Lucerne.Hirata, K., Minami, T. Koyama, N. and Yokota, T.: Effects of clonidine and tizanidine on VPLneuronal responses.Koyama, N. and Yokota, T.: Effects of tizanidine on alpha- and fusimotor activities. |
| 18. | 1-2 September 1993. Ternelin International Symposium. Istanbul.Yokota, T.: Pharmacology of tizanidine and potential future clinical possibilities. u. |
| 19. | 21 November, 1994. Symposium on Pain and Paresthesia. 2nd International Congress of Patho-physiology. Kyoto.Yokota, T.: Plasticity of wide dynamic range neurons in the dorsal horn of the spinal cord. |
| 20. | 1-2 April, 1995. Nagoya Symposium. Integrative Mechanism of Physiological Function. Nagoya.Yokota, T., N. Koyama and Y. Nishikawa: Dissociable inhibitory mechanisms in VPL versus intra laminar nociceptive neurons. |
