Ph.D in Psychology
Senior Research Scientist, Supervisor, Group Leader Sensory Representation Research Group
Human and Information Science Laboratory
Communication Science Laboratories, NTT, Inc.
Nippon Telegraph and Telephone Corporation.
3-1 Morinosatowakamiya, Atsugi-shi, Kanagawa, 243-0198, Japan

Research interest

Human visual perception

Understanding the diversity and versatility of human visual ability

■　Gamified Vision Test: “Shikaku no Mori”" ― Tap the images for the details ―

Test batteries that measure visual abilities easily.

Kenchi Hosokawa, Kazushi Maruya, Shin’ya Nishida, Masayo Takahashi, and Satoshi Nakadomari (accepted). Gamified vision test system for daily self-check. 2019 IEEE Games, Entertainment, Media Conference (GEM) .

■　Visual motion perception

How does the human visual system process visual motion?

Kazushi Maruya, Alex Holcombe, and Shin’ya Nishida (2013). Rapid encoding of relationships between spatially remote motion signals. Journal of Vision, 13(2):4, 1-20.

Kazushi Maruya, Shin’ya Nishida. (2010). Spatial pooling of one-dimensional second-order motion signals.　Journal of Vision 10(13): article 24

■　Visual awareness and binocular rivalry.

How does the human visual system distinguish non-rigid material from complex motion flow?

Kazushi, Maruya, Hiroki Watanabe, and Masataka Watanabe (2008). Adaptation to invisible motion results in low-level but not high-level aftereffects. Journal of Vision, 13, 8,11,7
Kazushi Maruya, Eunice Yang, and Randolph Blake. (2007). Voluntary Action Influences Visual Competition. Psychological Science, 18(12), 1090-1098.

Text reading

Interactive reading of dynamic text: "Yu bi Yomu"

A new way to read dynamic text using a tablet PC

"Yu bi yomu": interactive reading of dynamic text. Kazushi Maruya, Miki Uetsuki, Hideyuki Ando, and Junji Watanabe. ACM Multimedia, page 1499-1500. ACM, (2012).

Optical illusion and Art

Illusory block project

Using optical illusion pattenrs affixed to toy blocks

Tomoko Ohtani, Kazushi Maruya (2023/8). “Educational programs on optical illusions to hone abstract thinking skills of students”, The 14th Asian Forum on Graphic Science (AFGS2023).
Tomoko Ohtani, Kazushi Maruya (2026/8). “Extraction and Recomposition of Urban Impressions by Nonexperts Using Three-Dimensional Assemblages with Optical Illusion Patterns”, The 22nd International Conference on Geometry and Graphics (ICGG 2026), Zagreb, Croatia.

Micellaneous

Psychlops

The C++ Library for vision science

Publications

A link to publication list