ENGLISH

Ryoichi Nakashima (Ph.D)

Associate Professor. Department of Intelligence Science and Technology,  Graduate School of Informatics, Kyoto University.

Visiting Researcher. RIKEN CBS-TOYOTA Collaboration Center, RIKEN.

E-Mail:  

rnaka xx i.kyoto-u.ac.jp   ( xx  -> @)

nakashima.ryo1 -at- gmail.com   ( -at-  -> @ )

Research Interest

My research interest is "visual cognition", including

• • Visual Attention

  • Body and Attention: Head Direction and Visual Cognition

  • Social Attention: Effect of Face, Gaze, etc.

  • Medical Image Perception: Characteristics of Lesion Detection in Radiologists

  • Egocentric Spatial Perception

  • Sense of Agency and Visual Perception

  • Individual Difference in Cognition

Publications (English)

Peer-reviewed original article

• 1. Nakashima, R. & Kumada, T. (2022). Task-irrelevant object response to action enhances the sense of agency for controlling the object in automation. Scientific Reports, 12:15807, 1-10. [LINK]

  2. Sawada, R., Sato, W., Nakashima, R., & Kumada, T. (2022). How are emotional facial expressions detected rapidly and accurately? A diffusion model analysis. Cognition, 229, 105235.

  3. Tanaka, M., Nakashima, R., Hiromitsu, K. & Imamizu, H. (2021). Individual differences in the change of attentional functions with brief one-time focused attention and open monitoring meditations. Frontiers in Psychology, 12(716138), 1-11. [LINK]

  4. Ueda, S., Nakashima, R., & Kumada, T. (2021). Influence of levels of automation on the sense of agency during continuous action. Scientific Reports, 11:2436. [LINK]

  5. Nakashima, R. & Kumada, T. (2020). Explicit sense of agency during an automatic control situation: Effects of goal-directed action and the gradual emergence of outcome. Frontiers in Psychology, 11(2062), 1-9. [LINK] 

  6. Nakashima, R. (2019). Beyond one's body parts: Remote object movement with sense of agency involuntarily biases spatial attention. Psychonomic Bulletin & Review. 26(2), 576-582.

  7. Nakashima, R. (2019). Spatial attentional distribution is modulated by head direction during eccentric gaze. Journal of Cognitive Psychology, 31(2), 215-224.

  8. Li, Q., Nakashima, R., & Yokosawa, K. (2018). Task-irrelevant spatial dividers facilitate counting and numerosity estimation. Scientific Reports, 8:15620. [LINK]

  9. Nakashima, R. & Kumada, T. (2018). Peripersonal versus extrapersonal visual scene information for egocentric direction and position perception. The Quarterly Journal of Experimental Psychology, 71(5), 1090-1099.

  10. Nakashima, R. & Yokosawa, K. (2018). To see dynamic change: continuous focused attention facilitates change detection, but the effect persists briefly. Visual Cognition, 26(1), 37-47.

  11. Nakashima, R. & Kumada, T. (2017). The whereabouts of visual attention: Involuntary attentional bias toward the default gaze direction. Attention, Perception, & Psychophysics, 79(6), 1666-1673.

  12. Nakashima, R., Komori, Y., Maeda, E.,  Yoshikawa, T., & Yokosawa, K. (2016). Temporal characteristics of radiologists’ and novices’ lesion detection in viewing medical images presented rapidly and sequentially. Frontiers in Psychology, 7(1553), 1-10. [LINK]

  13. Nakashima, R., Iwai, R., Ueda, S., & Kumada, T. (2015). Egocentric direction and position perceptions are dissociable based on only static lane edge information. Frontiers in Psychology, 6(1837), 1-10. [LINK]

  14. Nakashima, R., Fang, Y., Hatori, Y., Hiratani, A., Matsumiya, K., Kuriki, I., & Shioiri, S. (2015). Saliency-based gaze prediction based on head direction. Vision Research, 117, 59-66.

  15. Nakashima, R., Watanabe, C., Maeda, E., Yoshikawa, T., Matsuda, I., Miki, S., & Yokosawa, K. (2015). The effect of expert knowledge on medical search: Medical experts have specialized abilities for detecting serious lesions. Psychological Research, 79(5), 729-738.

  16. Nakashima, R. & Shioiri, S. (2015). Facilitation of visual perception in head direction: Visual attention modulation based on head direction. PLoS ONE, 10(4): e0124367. [LINK]

  17. Fang, Y., Emoto, M., Nakashima, R., Matsumiya, K., Kuriki, I., & Shioiri, S. (2015). Eye-position distribution depending on head orientation when observing movies on ultrahigh-definition television. ITE Transactions on Media Technology and Applications, 3(2), 149-154. [LINK]

  18. Fang, Y., Nakashima, R., Matsumiya, K., Kuriki, I., & Shioiri, S. (2015). Eye-head coordination for visual cognitive processing. PLoS ONE, 10(3): e0121035. [LINK]

  19. Nakashima, R. & Shioiri, S. (2014). Why do we move our head to look at an object in our peripheral region? Lateral viewing interferes with attentive search. PLoS ONE, 9(3): e92284. [LINK]

  20. Maeda, E., Yoshikawa, T., Nakashima, R., Kobayashi, K., Yokosawa, K., Hayashi, N., Masutani, Y., Yoshioka, N., Akahane, M., &  Ohtomo, K. (2013). Experimental system for measurement of radiologists’ performance by visual search task. SpringerPlus, 2(607), 1-6. [LINK]

  21. Nakashima, R., Kobayashi, K., Maeda, E.,  Yoshikawa, T., & Yokosawa, K. (2013). Visual search of experts in medical image reading: The effect of training, target prevalence, and expert knowledge. Frontiers in Psychology, 4(166), 1-8. [LINK]

  22. Nakashima, R. & Yokosawa, K. (2013). Visual search in divided areas: Dividers initially interfere with and later facilitate visual search. Attention, Perception, & Psychophysics, 75(2), 299-307.

  23. Nakashima, R. & Yokosawa, K. (2012). Sustained attention can create an (illusory) experience of seeing dynamic change. Visual Cognition, 20(3), 265-283.

  24. Nakashima, R. & Yokosawa, K. (2011). Does scene context always facilitate retrieval of visual object representations? Psychonomic Bulletin & Review, 18(2), 309-315.

Peer-reviewed conference papers

• 1. Hiratani, A. Nakashima, R., Matsumiya, K., Kuriki I., & Shioiri, S. (2013). Considerations of self-motion in motion saliency. 2nd IAPR Asian Conference on Pattern Recognition (ACPR), 783-787.

Others

• 1. Nakashima, R. & Kumada, T. (2015). The relationship between attentive processing and gaze or head direction. The Japanese Journal of Psychonomic Science, 34(1), 205-206. (Summary of Awarded Presentation)

  2. Nakashima, R. & Shioiri, S. (2014). Visual attention modulation based on head direction. The Japanese Journal of Psychonomic Science, 33(1), 131-132. (Summary of Awarded Presentation)

Presentations (English)

Talk presentation

• 1. Kikuchi, K., Fukuda, S., Nakashima, R., &  Osawa, M. (2023/12). Impact of linguistic ambiguity in agent Interventions on user acceptability and future contact. SCIS&ISIS 2023, Gwangju, Korea. 

  2. Kikuchi, K., Noyori, S. S., Nakashima, R., &  Osawa, M. (2022/11). An interaction approach for agents working against the user’s intentions without losing likeability. SCIS&ISIS 2022, Mie, Japan. 

  3. Nakashima, R., & Kumada, T. (2016/7). The sense of agency for braking a moving object during the manual and automatic control. 31st International Congress of Psychology (ICP2016), Yokohama, Japan.(Symposium, co-organizer)

  4. Nakashima, R., Fang, Y., Hiratani, A., Matsumiya,K., Kuriki, I., & Shioiri, S. (2014/7). Head direction information improves the accuracy of gaze estimation. The 10th Asia-Pacific Conference on Vision, Takamatsu, Japan. (Symposium)

  5. Fang, Y., Nakashima, R., Matsumiya, K.,  Kuriki, I., & Shioiri, S. (2014/7). Multiple gaze saccades during unrestrained eye-head movement in visual search. The 10th Asia-Pacific Conference on Vision, Takamatsu, Japan.

Poster presentation

• 1. Huang, T-C., Nakashima, R., Iwai, R., Chien, S., Yeh, S-L., & Kumada, T. (2021/8). Facial surface property modulates the uncanny valley effect of robot face on older adults. 43rd European Conference on Visual Perception (ECVP2021), Online.

  2. Nakashima, R. & Kumada, T. (2019/7). Task difficulty at fixation location modulates attentional bias caused by head direction. The 15th Asia-Pacific Conference on Vision, Osaka, Japan.

  3. Konishi, K., Nakashima, R., & Yokosawa, K. (2018/5). Does a salient auditory stimulus always impair visual memory? The 18th annual meeting of The Vision Science Society, St. Pete Beach, U.S.A.

  4. Nakashima, R., & Kumada, T. (2017/9). Task-irrelevant object response increases the subjective sense of control for the automatic control object. 20th Conference of the European Society for Cognitive Psychology (ESCoP), Potsdam, Germany.

  5. Ueda, S., Nakashima, R., & Kumada, T. (2017/9). Influence of automatic intervention on manipulation consequence evaluation during tool use. 20th Conference of the European Society for Cognitive Psychology (ESCoP), Potsdam, Germany.

  6. Nakashima, R. (2017/7). Visual perception in peripheral visual field is modulated by eccentric gaze. The 13th Asia-Pacific Conference on Vision, Tainan, Taiwan.

  7. Li, Q., Nakashima, R., & Yokosawa, K. (2016/9). The effects of spatial dividers on counting and numerosity estimation. European Conference on Visual Perception 2016, Barcelona, Spain.

  8. Nakashima, R., Ueda, S., Iwai, R., Hine, K., & Kumada, T. (2016/7). Where should we look in the road? The effect of gaze position on egocentric direction and position perceptions. 31st International Congress of Psychology (ICP2016), Yokohama, Japan.

  9. Ueda, S., Nakashima, R., Iseki, R., & Kumada, T. (2016/5). Influence of selecting reference points that suit for a motor intension on motor control during visuomotor tracking task. International Meeting of Psychonomic Society (PS2016), Granada, Spain.

  10. Nakashima, R., Iwai, R., Ueda, S., Iseki, R., & Kumada, T. (2015/7). The effect of scene inversion on egocentric direction and position perceptions. The 11th Asia-Pacific Conference on Vision, Singapore.

  11. Ueda, S., Nakashima, R., Iseki, R., Iwai, R., & Kumada, T. (2015/7). The acquirement of forward internal model in visual feedback error learning task. The 11th Asia-Pacific Conference on Vision, Singapore.

  12. Nakashima, R. & Shioiri, S. (2014/7). The visual processing facilitation by the head direction. The 10th Asia-Pacific Conference on Vision, Takamatsu, Japan.

  13. Kobayashi, M., Fang, Y., Nakashima, R., Matsumiya, K., Kuriki, I., & Shioiri, S. (2014/7). Contextual cueing effect for unseen targets. The 10th Asia-Pacific Conference on Vision, Takamatsu, Japan.

  14. Yokosawa, K., Nakashima, R., & Kawai, H. (2013/11). Visual search facilitation by divider frames depends on the saliency of the frames. The 54th Annual Meeting of the Psychonomic Society, Toronto, Canada.

  15. Nakashima, R., Fang, Y., Hiratani, A., Matsumiya, K., Kuriki, I., & Shioiri, S. (2013/11). Gaze estimation with a saliency map and head movements. International Joint Workshop on Advanced Sensing / Visual Attention and Interaction (ASVAI2013), Okinawa, Japan. (Invited presentation)

  16. Hiratani A., Nakashima, R., Matsumiya, K., Kuriki, I., & Shioiri, S. (2013/11). Considerations of self-motion in motion saliency. International Joint Workshop on Advanced Sensing / Visual Attention and Interaction (ASVAI2013), Okinawa, Japan.

  17. Fang, Y., Emoto, M., Nakashima, R., Matsumiya, K., Kuriki, I., & Shioiri, S. (2013/7). Eye position distribution depending on head orientation in watching Ultra High Definition Television. The 9th Asia-Pacific Conference on Vision, Suzhou, China.

  18. Fang, Y., Nakashima, R., Matsumiya, K., Tokunaga ,R., Kuriki, I., & Shioiri, S.(2013/5). Contribution of head movements to gaze shift during visual search in a large visual field. The 13th annual meeting of The Vision Science Society, Naples U.S.A.

  19. Nakashima, R., Fang, Y., Matsumiya, K., Tokunaga, R., Kuriki, I., & Shioiri, S. (2012/7). Eye position distribution depending on head orientation in natural scene viewing. The 8th Asia-Pacific Conference on Vision, Incheon, Korea.

  20. Fang, Y., Nakashima, R., Matsumiya, K., Tokunaga, R., Kuriki, I., & Shioiri, S. (2012/5). Eye position distribution depends on head orientation. The 12th annual meeting of The Vision Science Society, Naples U.S.A.

  21. Nakashima, R., Maeda, E., Yoshikawa, T., Matsuda, I., Miki, S., Yokosawa, K., & Watanabe, C. (2011/11). Both the target prevalence and importance influence radiologists' miss rates in the lesion searches. The 52nd Annual Meeting of the Psychonomic Society, Seattle, U.S.A.

  22. Nakashima, R. & Yokosawa, K. (2011/5). Sustained attention facilitates change detection, but only in a brief blank duration. The 11th annual meeting of The Vision Science Society, Naples U.S.A.

  23. Nakashima, R., Komori, Y., Maeda, E., Yoshikawa, T., & Yokosawa, K. (2010/11). When searching for lesions, radiologists do not miss rare targets. The 51st Annual Meeting of the Psychonomic Society, St. Louis, U.S.A.

  24. Nakashima, R. & Yokosawa, K. (2010/5). Sustained attention is involved only in dynamic change detection. The 10th annual meeting of The Vision Science Society, Naples, U.S.A.

  25. Nakashima, R., Kobayashi, K., Maeda, E., Yoshikawa, T., & Yokosawa, K. (2009/11). The prevalence effect in the tumor search: Differences between experts and novices. The 50th Annual Meeting of the Psychonomic Society, Boston, U.S.A.

  26. Nakashima, R. & Yokosawa, K. (2009/11). Does scene context always facilitate the retrievals of representations? OPAM 17th Annual Meeting, Boston, U.S.A.

  27. Nakashima, R. & Yokosawa, K. (2008/11). Frequent shifts of a scene interrupt change detection. OPAM 16th Annual Meeting, Chicago, U.S.A.

  28. Nakashima, R. & Sadahiro, Y. (2005/7). Effect of spatial smoothing on map use: A case of facility choice. International Cartographic Conference, A Coruna, Spain.