2013 年 10 月
第22回 VR 心理学研究会
日時： 2013 年 10 月 12 日（土，英語セッション），10 月 13 日（日）
場所：九州大学 大橋キャンパス（〒 815-8540 福岡市南区塩原 4-9-1）511 教室
http://www.design.kyushu-u.ac.jp/kyushu-u/access
研究会実行委員長：妹尾武治（九州大学）
共催：日本バーチャルリアリティー学会 VR 心理学研究委員会，九州大学大学院芸術工学研究院応用知覚科学研究センター
参加費：無料（抄録集も無料配布）
Date: Saturday, 12 October 2013
Place: Room 511, Ohashi Campus, Kyushu University
Co-sponsored by Technical Committee of Virtual Reality Psychology, the Virtual Reality Society of Japan, and Research Center for Applied Perceptual Science, Kyushu University
Language: English
Program
0. Opening remarks (13:00-13:10)
Yoshitaka Nakajima (Kyushu University)
Session 1 (13:10-14:25)
1. Stimulus meaning alters vection strength
Takeharu Seno (Kyushu University)
2. Two successive dots in downward direction increase perceived duration
Tsuyoshi Kuroda (Research Fellow of JSPS / Kyushu University), Simon Grondin (Laval University), Katsuya Ogata, Shozo Tobimatsu (Kyushu University)
3. ERP investigation on intra- vs. inter-modal duration discrimination
Emi Hasuo (Kyushu University), Emilie Gontier (Universite Laval), Takako Mitsudo (Kyushu University), Simon Grondin (Universite Laval)
4. The contribution of the vibrotactile stimulation to our self-body position perception: The mirror illusion study
Daisuke Tajima (Tokyo Institute of Technology), Tota Mizuno (The University of Electro-Communications), Yuichiro Kume (Tokyo Polytechnic University), Takako Yoshida (Tokyo Institute of Technology)
5. The critical visual feedback delay to turn our self-body sensations into others: The hand and eye movement study
Seiya Kamiya, Takako Yoshida (Tokyo Institute of Technology)
Coffee Break (14:25-14:35)
Session 2 (14:35-15:35)
6. Distortion of auditory space during visually induced self-motion perception
Wataru Teramoto, Kazuki Moishi (Muroran Institute of Technology), Zhenglie Cui, Shuichi Sakamoto, Jiro Gyoba (Tohoku University)
7. Temporal periodicity with Japanese- and English-learning infants
Yuko Yamashita, Yoshitaka Nakajima, Kazuo Ueda, Takeharu Seno (Kyushu University), Yohko M. Shimada (Doshisha University), David Hirsh (University of Sydney)
8. Perceptual roles of power-fluctuation factors of speech sound revealed by cepstral liftering and zero-shifted factor analysis
Takuya Kishida, Yoshitaka Nakajima, Kazuo Ueda, Gerard B. Remijn, Takuya Fujioka (Kyushu University)
9. Forecasting and analysis of social psychology using WOM: Case of art management
Yasuko Kawahata, Etsuo Genda (Kyushu University)
Coffee Break (15:35-16:00)
Date and time: Saturday, 12th October 2013, 16:00-18:00
Venue: Room 511, Ohashi Campus, Kyushu University
Organizer: Takeharu Seno (Institute for Advanced Study/ReCAPS, Kyushu University)
10. Opening remarks and an introduction to vection
Takeharu Seno (Kyushu University)
Coherent motion over a large area of the visual field induces an observer's self-motion perception, i.e. vection. I will present a basic introduction to vection research, providing a brief review of previous vection investigations. I will introduce four speakers who are two young Japanese and two top researchers of vection in the world.
Presentations by young scientists
11. Self-motion perception by wind
Kayoko Murata, Masami Ishihara, and Shigeru Ichihara (Tokyo Metropolitan University)
We examined whether a feeling of self-motion would occur when feeling wind on the skin accompanied by vestibular motion. Participants perceived the strongest self-motion in the vestibular motion and wind condition. Wind from the front induced stronger self-motion than other directions. We divided the face into upwards and downwards from the center of the maxillary division. We compared the upper part with the lower. When the upper part of the face was masked, all indexes indicated a decrease in self-motion. Therefore, this result suggests that the upper part and lower part of the face might use different information processing systems.
12. Examining the cause of inverted vection using expanding/contracting random-dot patterns
Yasuhiko Saito and Kenzo Sakurai (Tohoku Gakuin University)
The "inverted vection" is self-motion perception in the same direction as a foreground motion induced by the slowly translating foreground with an orthogonally moving background (Nakamura & Shimojo, 2000). We extended their study to (1) investigate whether the inverted vection in depth occurs or not, and to (2) reexamine their claim that the mis-registration of eye movement by suppression of optokinetic nystagmus (OKN) induced by the foreground pattern causes the inverted vection (Nakamura & Shimojo, 2003). For these purposes, a non-translational expanding/contracting visual stimulus pattern as a foreground was used to prevent the translational OKN in Experiment 1 and 2. And also another non-translational rotating visual pattern was used as a background to eliminate the all possible translational OKN in Experiment 2. In Experiment 1, observers wore a shutter goggle for stereoscopic vision, and viewed stimuli on a screen in 120 cm viewing distance. A fixation cross was always presented in the center of screen surface. The background pattern was perceived to be 15 cm farther than the screen with rightward translating random-dot sat a constant speed of 25 deg/s. The foreground pattern was perceived to be 15 cm nearer than the screen with expanding/contracting random-dots at 5 constant accelerations (0.056, 0.223, 0.893, 3.571, 14.286 deg/sec2). Both foreground and background patterns were presented in the experimental condition. Only the foreground pattern was presented in the control condition. Observers performed key-press to report their perceived forward/backward self-motion, and the reported direction and duration of self-motion were recorded. In experimental condition, observers reported inverted vection when the foreground random-dots expanded/contracted slowly, and they reported ordinary vection when the random-dots expanded/contracted fast. In control condition, the duration of the self-motion sensation varied linearly with the speed of stimulus motion. The faster motion induced the stronger self-motion sensation in the direction opposite to the pattern motion. In Experiment 2, methods were the same as in Experiment 1 except that a rotating clockwise/counter-clockwise random-dot pattern was used as the background at a constant angular velocity (25 deg/s). Observers perceived the inverted vection when the foreground pattern expanded/contracted slowly in experimental condition while they reported the ordinary vection in control condition as same as the results of Experiment 1. We conclude that (1) the inverted vection in depth occurs, and (2) there must be some factor for the inverted vection in depth other than the mis-registration of eye movement by suppression of translation OKN.
Invited papers
13. Using Virtual Reality to study multi-modal and higher-level contributions to selfmotion illusions ("vection")
Bernhard Riecke (Simon Fraser University Surrey)
There is a long tradition of investigating self-motion illusions induced by rotating or translating visual stimuli ("circular/linear vection"). Other modalities can also induce vection or contribute to visually induced vection, but have received considerably less attention in the literature. Here, I will focus specifically on non-visual and multi-modal contributions and interactions to vection. A part from vection being arguably one of the most compelling and embodied illusions, vection is also interesting from a fundamental research perspective, in particular in the context of investigating cue integration: In a vection-inducing situation, there is always a (more or less noticeably) cue conflict between some cues indicating self-motion (e.g., a moving visual or auditory stimulus) while others indicate stationarity or a lack of acceleration (e.g., tactile, kinesthetic, and vestibular cues from sitting on a stationary chair). From a more applied perspective, we are investigating how self-motion illusions could be utilized to improve self-motion simulations and human performance in virtual environments, in an attempt to reduce the need for costly physical motion of the observer.
14. Inducing visual illusions of self-motion: Stimulus determinants and observer contributions
Stephen Palmisano (University of Wollongong)
Vection is a term typically used to refer to visually induced illusions of self-motion. Over the years my colleagues and I have shown that many previously overlooked visual consequences of self-motion – stereoscopic motion, local changes in optical size, viewpoint jitter/oscillation and eye-movements – all play important roles in vection. These findings disprove long held assumptions that: (i) visual self-motion perception is based solely on the optic flow presented to a single eye; (ii) dot motion displays convey all of the important visual information for self-motion; and (iii) visually simulated self-acceleration prevents/destroys vection. Recently, we have also examined how vection is altered by eye-movements. For example, we have shown that superimposing a laterally moving fixation point onto a radial optic flow display can dramatically enhance the experience of vection in depth. Such findings suggest that common pursuit eye-movement errors play important roles in vection induction. In fact, in some situations, eye-movement patterns might even serve as objective indicators of vection.
■ 10月13日（日）10:05-15:05
10月13日(日) 午前 一般講演3（10:05〜11:05）
15. 10:05 - 10:20
"帰る"意識が引き起こす往復効果
○小澤良祐（京大）・藤井慶輔（学振/京大）・神崎素樹（京大）
16. 10:20 - 10:35
周囲の柱列の密度が人間の速度感覚に与える影響
○吉岡陽介（千葉大）・高橋正樹・渡辺秀俊（文化学園大）・佐野友紀（早大）・遠田敦（東京理科大）
17. 10:35 - 10:50
低圧低酸素環境におけるベクションの抑制
○本井碧（学振/九大）・西村貴孝（長崎大）・妹尾武治・綿貫茂喜（九大）
18. 10:50 - 11:05
広視野ステレオ呈示下における視覚誘導性自己運動感覚の神経相関
○和田充史・坂野雄一・安藤広志（情報通信研究機構/阪大）
−−− 休憩 （ 10分 ） −−−
10月13日(日) 午前 一般講演4（11:15〜12:15）
19. 11:15 - 11:30
生き物らしく見える動きと関係の知覚
○小松英海（慶大）
20. 11:30-11:45
自然物を好ましくみせるLED照明の分光分布の検討
中島航・須長正治・妹尾武治・大井尚行（九大）
21. 11:45 - 12:00
音色が偶発学習されたメロディの30日後の再認に与える影響
○蘭悠久（島根大）・定常考浩（島根大）・荒生弘史（広島国際大）・都賀美有紀（立命館大）
22. 12:00 - 12:15
順序の再構成課題における学習直後と遅延後の語長効果
○都賀 美有紀（立命館大）
−−− 昼食 （ 105分 ） −−−
10月13日(日) 午後 一般講演5（14:00〜15:00）
23. 14:00 - 14:15
心理特性値と起床時のコルチゾール濃度およびその反応との関係性
○柗本吏子・本井碧・崔多美・江頭優佳・綿貫茂喜（九大）
24. 14:15 - 14:30
触覚刺激及び日本語オノマトペ音声呈示時のERPの特徴
○江頭優佳・柗本吏子（九大）
25. 14:30 - 14:45
The relationship between empathy trait and LPP to face
○崔多美・綿貫茂喜（九大）
26. 14:45 - 15:00
オマキザルにおける質感知覚
○平松千尋（学振/九大）・藤田和生（京大）
Photos
第22回 VR 心理学研究会 開催のお知らせ
九州大学応用知覚科学研究センターでは，2013 年 10 月 12 日（土），13 日（日）に日本バーチャルリアリティー学会 VR 心理学研究委員会と共催で VR 心理学研究会を開催いたします。「VR 心理学，知覚，行動および一般」をテーマとする一般講演に加えて，初日（10/12）の 16:00 より，ベクション研究の第一線で活躍されている Stephen Palmisano 先生と Bernhard Riecke 先生をお招きして，国際ミニシンポジウム（プログラムを末尾に記載）を開催します。また，シンポジウム後，招待講演者のお二人を交えた懇親会を予定しております。皆様のご参加を心よりお待ちして居ります。
日時： 2013 年 10 月 12 日（土），10 月 13 日（日）
場所：九州大学 大橋キャンパス（〒 815-8540 福岡市南区塩原 4-9-1）
http://www.design.kyushu-u.ac.jp/kyushu-u/access
研究会実行委員長：妹尾武治（九州大学）
共催：日本バーチャルリアリティー学会 VR 心理学研究委員会
参加費：無料（抄録集は一冊につき 1,000 円，ただし発表者は無料）
発表申し込み締め切り： 2013 年 8 月 30 日（金）
原稿締め切り： 2013 年 9 月 20 日（金）
発表申込先・原稿送付先：繁桝博昭（VR 心理学研究委員会幹事／高知工科大学）E-mail: shigemasu.hiroaki [at] kochi-tech.ac.jp
発表申し込みには，以下の書式をご利用ください。原稿テンプレートは申込者に電子メールで送付いたします（原稿は日本語または英語で執筆していただきます）。
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これまでの VR 心理学研究会の情報は，以下のページを御覧下さい。
https://sites.google.com/site/sigvrpsy/home/workshop
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