There are numerous resources for funding opportunities out there, here are a few links to websites with information about funding opportunities.
Ruth L. Kirchstein National Research Service Award (NRSA)
National Science Foundation (NSF) Graduate Research Fellowship Program
Epilepsy Foundation Fellowships
American Heart Association
Opportunities for Underrepresented Students
Ford Foundation Fellowship Program
Society for Neuroscience-Neuroscience Scholars Program
American Indian Science and Engineering Society
American Psychological Association Minority Fellowship Program
Neuroscience Training Program Travel Award-Announcements for the award will go out in the spring, please contact the NTP office for more information.
UW-Madison SfN Chapter Travel Award-Announcements for the award will go out in the spring, please contact the NTP office for more information.
Other Travel Award Opportunities
The Wisconsin Initiative for Science Literacy (WISL) Award for Communicating PhD Research to the Public encourages doctoral candidates to submit a PhD thesis chapter that describes their research to non-science audiences. Information on that can be found here: http://scifun.org/Thesis_Awards/thesis_awards.html
Search for More Funding
AAAS Grants and Funding Page