title: fMRI: does correlation imply activation?
authors.affiliation: Robert Steiner Magnetic Resonance Unit, Hammersmith Hospital, London, UK.
authors.forename: J V
authors.initials: JV
authors.lastname: Hajnal
authors.forename: G M
authors.initials: GM
authors.lastname: Bydder
authors.forename: I R
authors.initials: IR
authors.lastname: Young
mesh_terms: D016477:Artifacts; D001921:Brain / Q000033:anatomy & histology / Q000502:physiology*; D006801:Humans; D008279:Magnetic Resonance Imaging; D009043:Motor Activity; D009044:Motor Cortex / Q000033:anatomy & histology / Q000502:physiology; D014796:Visual Perception