title: Brain activity and the perception of self-agency while viewing a video of hand grasping: a functional near-infrared spectroscopy study.
abstract: Self-agency is the recognition of one's own movement and plays a vital role in purposeful, voluntary movement. A sense of self-agency can be elicited in individuals who view their own simple finger movements as they are projected onto a screen and aligned with their actual hand position. Here, we examined whether individuals perceived self-agency when they viewed a video of a hand grasping a wooden cylinder and whether the perception of self-agency correlated with simultaneous changes in oxy-hemoglobin in the parietal or the prefrontal cortical areas. All participants reported the perception of self-agency, which was correlated with oxy-hemoglobin increases in the right prefrontal area. We conclude that self-agency also relates to hand-held objects displayed on video.
authors.affiliation: aNeuro Rehabilitation Research Center, Kio University, Nara bRehabilitation Institute, Kamigyo Clinic, Kyoto, Japan.
authors.forename: Satoshi
authors.initials: S
authors.lastname: Wakata
authors.forename: Shu
authors.initials: S
authors.lastname: Morioka
mesh_terms: D000328:Adult; D005260:Female; D006225:Hand / Q000502:physiology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009039:Motion Perception / Q000502:physiology*; D010108:Oxyhemoglobins / Q000378:metabolism; D010296:Parietal Lobe / Q000502:physiology*; D017397:Prefrontal Cortex / Q000502:physiology*; D011597:Psychomotor Performance / Q000502:physiology*; D012649:Self Concept; D019265:Spectroscopy, Near-Infrared; D011795:Surveys and Questionnaires; D014741:Video Recording
chemical_list: D010108:Oxyhemoglobins