Contains materials related to research on culture and viewpoint-dependent perception of facial expressions portrayed on masks used in the Japanese Noh Theatre. The archive includes the images used in the experiments as well as various documents related to the project. Animations animated gif of the antique Magojiro mask tilting forwards & back mp4 file with a comparison of new & old masks at different tilts Article pdf of article on the research project atr99.pdf contains a short summary of the project that may be helpful manuscript of the article (latex source files) correspondence with the publisher final versions of the article figures Composites composite figures of masks and human face at varying tilts Experimental Stimuli folders XA, XC, XH, XT only XA and XH were used for experiments reported in the article tilt angles range from -30 to 30 degrees in 5 degree steps XA: antique Magojiro mask from Edo period XC: Magojiro mask from the current era (1980s or 90s) XH: female human face, images rendered from 3D scan XT: Ko-omote mask made by an amateur carver (collection of MJL) Misc 'behind the scenes' photos view of the Noh stage at the Nara Shin Kokai Do in Nara Koen view of the camera and apparatus used to adjust the tilt angle shape images rendered from scans of the Ko-omote mask and human face view of the Magojiro mask from the current era (collection of the Komparu family) close up of mouth area of the Magojiro mask from the current era view of the antique Edo period Magojiro mask view of the reverse of the antique Magojiro mask showing inscriptions Thank you for your interest in the project. Michael Lyons, Ph.D. Professor of Image Arts and Science Ritsumeikan University Kyoto, Japan