Which of the following would be best demonstrated by the brain's occipital lobe? a)Watching a plane fly overhead

b)Smelling grandma's home baked bread

c)Listening to your favorite radio station

d) Feeling a change in temperature

Investigator a has biological specimens that are coded and linked to identifiers of the source individuals. investigator a provides the specimens to investigator b but does not provide the individual identifiers. investigator b agrees not to re-identify the source individuals. is investigator b's research using the biospecimens human subjects research according to the definition of human subjects research in the federal regulations?