Associations 

American Stroke Association
http://www.strokeassociation.org/

American Association of Neurological Surgeons
http://www.aans.org/

British Neuroscience Association
http://www.bna.org.uk

Societies 

International Society of Magnetic Resonance in Medicine
http://www.ismrm.org/

Society of Neuroscience
http://www.sfn.org

International Society on Oxygen Transport to Tissue
http://www.isott.org/

Federation of American Societies for Experimental Biology
http://www.faseb.org/

American Physiology Society
http://www.the-aps.org/

American Academy of Neurology
http://www.aan.com/

National Stroke Council
http://www.nemahealth.org/index.php/national-stroke-council

Society of Nuclear Medicine and Molecular Immaging
http://www.snmmi.org/

Radiological Society of North America
http://www.rsna.org/

American Society for Pharmacology and Experimental Therapeutics
http://www.aspet.org/

European Brain and Behavior Society
http://www.ebbs-science.org/

International Brain Research Organization
http://www.ibro.org/

Federation of European Neuroscience Societies
http://www.fens.org

National Neurotrauma Society
http://www.neurotrauma.org/

The Society of Neurosurgical Anesthesia and Critical Care
http://www.snacc.org

Government Organizations 

National Institutes of Health (NIH)
http://www.nih.gov/

National Institute of Neurological Disorders and Stroke
http://www.ninds.nih.gov/

National Library of Medicine
http://www.nlm.nih.gov/

Journals 

Neurogenetics
https://link.springer.com/journal/10048

The Journal of Neuroscience 
http://www.jneurosci.org/

JCBFM online and submission guidelines
http://www.jcbfm.com

Science Magazine
www.sciencemag.org

Neurosurgery On-line Journal
http://www.neurosurgery-online.com

Conferences 

Gordon Research Conferences
https://www.grc.org/

Science Research Conferences
https://faseb.org/Science-Research-Conferences.aspx

Other Resources 

The Whole Brain Atlas
http://www.med.harvard.edu/AANLIB/home.html

Hypoxia On-line
http://www.hypoxia.net

Neurosurgery
http://www.neurosurgery.org

Image Processing and Analysis in Java
http://rsb.info.nih.gov/ij/

NIH Image Frequently asked Questions
http://rsb.info.nih.gov/nih-image/manual/faq.html