European Society of Cognitive and Affective Neuroscience (ESCAN)
http://www.escaneurosci.eu/

Federation  of European Neurosciences
http://fens.mdc-berlin.de/

International Brain Research Organization (IBRO)
http://www.ibro.info/Pub/Pub_Front.asp

International Organization of Psychophysiology
http://www.world-psychophysiology.org/

International Union of Psychological Science (IUPsyS)
http://www.iupsys.net/

Organization for Human Brain Mapping
http://www.humanbrainmapping.org

FENS
http://fens.mdc-berlin.de/