| Oct. 1978 | NRSG members meet in Bologna |
| Oct. 10, 1980 | NSRG members meet in Venice, at the Bowman Gray School of Medicine Neurosonology Meeting. |
| Sep. 1981 | First representation of the NSRG at the WFN Research Committee Meeting, Kyoto, Japan |
| Sep. 28, 1982 | NSRG's first Board (Executive Committee) is elected. |
| Jul. 24, 1982 | The First Meeting is held in the Netherlands. |
| Sep. 1, 1985 | Guidelines for the Statutes of the NSRG are drafted, and a membership roster is formalized. |
| Feb. 1986 | NSRG's first Newsletter is published. |
| Dec. 1994 | NSRG becomes affiliated with The Journal of Neuroimaging. |
| Nov.-Dec. 1995 | NSRG sponsored consensus on quantification of ICA stenosis is published (Cerebrovasc Dis vol.5:414-426) |
| May, 1996 | NSRG in the Internet. |
| Sep.-Oct. 1997 | NSRG supported consensus on morphology of carotid plaques is published (Cerebrovasc Dis vol.7:289-296) |
| Aug. 1998 | Consensus on brain death using Doppler diagnosis is published by NSRG Task Force (J Neurol Sci. vol.159:145-150) |
| Apr. 2000 | Official statement on TCD ultrasonography is published (J Neuroimaging vol.10:101-115) |
| May 2002 | Evidence Based Review on Ultrasound in Organized Stroke Care is established by University Giessen |
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Toshiyuki Shiogai, M.D. Secretary NSRG Tel/Fax: +81-75-325-2295¡@E-mail: nsrg@mail.hato.com.tw Shan-Jin Ryu, M.D.¡@Webmaster NSRG |