Sample of semantic decoding from fMRI brain activity elicited by natural movies. The open access paper is:
Huth, A.G., Lee, T., Nishimoto, S., Bilenko, N.Y., Vu, A.T., & Gallant, J.L. (2016). Decoding the semantic content of natural movies from human brain activity. Frontiers in Systems Neuroscience, 10:81.
frontiersin.org/articles/10.3389/fnsys.2016.00081/full