The invention provides Sp35 polypeptides and fusion proteins thereof, Sp35 antibodies and antigen-binding fragments thereof and nucleic acids encoding the same. Usage percentages of the mechanical image blurring correction and a sensitivity image blurring reduction are sequentially set based on the calculated subject-shake amount. An outer ball having a substantially spherical outer surface and a central bore is mounted for axial rotation about a first axis within the central opening of the wall box. The galley storage unit is configured for placement of a portion of the galley carts in a lateral row in a forward section of the aft area. Full-duplex communications are improved through monitoring of the self-interference coupling and adapting the beamforming patterns to reduce it.