A number of organizations offer grant support for faculty. Some organizations support only early career faculty and some organizations support work in particular areas. For example, the Nielsen Foundation is focused on spinal cord injury, the American Health Assistance Foundation supports Alzheimer's disease research and the Goldhirsh Foundation supports brain tumor investigations.
Use the links to learn about the deadlines and particular requirements of each opportunity.
Alfred P Sloan Foundation 
ALS Association
Alzheimer's Association
American Cancer Society 
American Federation for Aging Research (AFAR)
American Foundation for Addiction Research
American Health Assistance Foundation
American Heart Association
Christopher & Dana Reeve Foundation
Craig H Neilsen Foundation
Citizens United for Research in Epilepsy (CURE)
Epilepsy Foundation
Lumosity Opportunities in Human Cognition
McKnight Endowment Fund for Neuroscience
Michael J Fox Foundation for Parkinson's Research
NARSAD
National Multiple Sclerosis Society
Parkinson's Disease Foundation
Pharma Foundation
Simons Foundation Autism Research Initiative (SFARI)
Wings For Life Spinal Cord Research Foundation