| 1. | 27 August - 1 September, 1978. The 2nd World Congress on Pain. Montreal.Yokota, T.: Trigeminal nociceptive neruons in the trigeminal subnucleus caudalis and bulbar lateral reticuloar formation. |
| 2. | 25-30 September, 1978. The 4th Congress of the European Association for Maxillo-Facial Surgery.Venice.Yokota, T., Nishikawa, N. and Nishikawa, Y.: Trigeminal nociceptive neruons within caudalmedulla oblongata. |
| 3. | 31 August - 5 September, 1984. The 4th World Congress on Pain. Plenary Lecture.Yokota, T.: Neural Mechanisms of Trigeminal Pain. |
| 4. | 17-22 November, 1985. The 8th Argentine Congress on Pain.Yokota, T.: Thalamic mechanism of nociception. |
| 5. | 21-22 February, 1987. The 3rd Annual Conference of the Indian Society for Study of Pain. Hotel Taj-Intercontinental, Bombay. Yokota, T.: Mechanism of trigeminal pain. |
| 6. | 18-20 July, 1991. British Physiological Society Meeting. Cambridge.Yokota, T. and Pamplin, P. J.: Inhibition of nociceptive neurons in the nucleus ventralis posterolateralis following conditioning stimulation of either the nucleus raphe magnus of the periaqueductal grey of the cat. Evidence for an ascending inhibitory pathway. |
| 7. | 25-27 September, 1994. 中国解剖学会。西安.Yokota, T.: Inhibition of nociceptive transmission in the thalamus. |
