THE FUNDAMENTALS OF NEUROSCIENCE is a joint online / on-campus course at Harvard University offered under the course number MCB80x online, and MCB81 on campus at Harvard. The online version of the course is completely free to take, and those students who successfully complete the course are eligible to receive a certificate of completion from edX
The course serves as an introductory survey of topics in neuroscience, ranging from the function of ion channels in the neuronal membrane, to the activity of individual neurons and small groups of neurons, to the function of the brain and its subsystems. The online version of the course has no specific prerequisites, though some prior exposure to biology and/or chemistry can be helpful.