九州大学 研究者情報
発表一覧
中島 祥好(なかじま よしたか) データ更新日:2019.06.06

教授 /  芸術工学研究院 デザイン人間科学部門 知覚心理学


学会発表等
1. Yoshitaka Nakajima, English phonemes in a space extracted from spectral changes of speech in time, 5th Institute of Mathematical Statistics Asia Pacific Rim Meeting, 2018.06.
2. Goshi TAKESHITA, Yoshitaka NAKAJIMA , Time-shrinking as observed in contexts close to music, 6th Conference of the Asia-Pacific Society for the Cognitive Sciences of Music, 2017.08.
3. Yoshitaka NAKAJIMA, Mizuki MATSUDA, Kazuo UEDA, Gerard REMIJN, Temporal resolution needed for auditory communication: Measurement with mosaic speech, 33rd Annual Meeting of the International Society for Psychophysics, 2017.10.
4. Yoshitaka NAKAJIMA, Kazuo UEDA, Gerard Remijn, Yuko Yamashita, Takuya KISHIDA, Phonology and psychophysics: Is sonority real?, 33rd Annual Meeting of the International Society for Psychophysics, 2017.10.
5. Chinami ONISHI, Yoshitaka NAKAJIMA, Emi HASUO, The perception of a dotted rhythm embedded in a two-four-time framework, 14th International Conference for Music Perception and Cognition, 2016.07.
6. Kunito IIDA, Yoshitaka NAKAJIMA, Kazuo UEDA, Gerard REMIJN, Yukihiro SERIZAWA, Effects of the duration and the frequency of temporal gaps on the subjective distortedness of music fragments, 14th International Conference for Music Perception and Cognition, 2016.07.
7. Yoshitaka NAKAJIMA, Mizuki MATSUDA, Erika TOMIMATSU, Emi HASUO, Perceptual contrast between two short adjacent time intervals marked by clicks, The 31st International Congress of Psychology, 2016.07.
8. Yoshitaka NAKAJIMA, Principles of music perception, The 31st International Congress of Psychology, 2016.07.
9. Yoshitaka NAKAJIMA, Perceptual interactions between adjacent time intervals marked by sound bursts, 5th Joint Meeting: Acoustical Society of America and Acoustical Society of Japan, 2016.11, Perceptual interactions take place between adjacent time intervals up to ~600 ms even in simple contexts. Let us suppose that two adjacent time intervals, T1 and T2 in this order, are marked by sound bursts. Their durations are perceptually assimilated in a bilateral manner if the difference between them is up to ~50 ms. When T1 200 ms and T1 T2 < T1 + 100 ms, T2 is underestimated systematically,
and the underestimation is roughly a function of T2—T1. Except when T1 ’ T2, this is assimilation of T2 to T1, partially in a unilateral manner. This systematic underestimation, time-shrinking, disappears when T1 > 300 ms. When T2 = 100 or 200 ms and T1 = T2 + 100 or T2 + 200 ms, T1 is perceptually contrasted against T2: T1 is overestimated. When 80 T1 280 ms and T2 T1 + 300 ms, T2 is contrasted against T1: In this case, T2 is overestimated. Assimilation and contrast are more conspicuous in T2 than in T1. For three adjacent time intervals, T1, T2, and T3, the perception of T3 can be affected by both T1 and T2, and the perception of T2 by T1..
10. 中島祥好, 音楽聴取における知覚体制化, 第18回日本ヒト脳機能マッピング学会, 2016.03, ヒトが音楽を聴取するときの聴覚の特徴的な働きについて考察を加える。「音」という知覚上のまとまりを形成し、音と音とのまとめあげ、関係づけを行うような聴覚の働きである「体制化」に着目し、音楽の知覚を特徴づけるような次の三つの事柄について論ずる:1)拍節構造の形成と破壊、2)音脈の多義性、3)調性の形成と破壊。最近数世紀の音楽家は、このような特徴をより組織的に、先鋭的に用いているため、あたかも音楽に特有の知覚の仕組みがあるように見える場合があるのではないかと推測される。.
11. 中島 祥好, 蓮尾 絵美, 原口 有紀, 空虚時間における同化と対比:音で示された空虚時間の知覚に及ぼす先行時間の効果, 日本心理学会第79回大会, 2015.09.
12. Yoshitaka NAKAJIMA, Takayuki SASAKI, Kazuo UEDA, Gerard B. REMIJN, Auditory Grammar in music: Demonstrations, 1st International Five-Sense Symposium, 2015.03.
13. 利島 保, 佐藤 隆夫, 長谷川 寿一, 長田 久雄, 箱田 裕司, 安藤 清志, 中島 祥好, 原田 悦子, 松井 三枝, 学士課程における心理学教育の質保証に関する参照基準の役割:学術会議の参照基準検討部会報告公表を顧みて, 日本心理学会第78回大会, 2014.09.
14. 中島 祥好, 佐々木 隆之, 上田 和夫, Gerard B. REMIJN, 聴覚の文法:聴覚体制化と聴覚コミュニケーション, 日本心理学会第78回大会, 2014.09.
15. Miharu FUYUNO, Yuko YAMASHITA, Yoshitaka NAKAJIMA, Multimodal Corpora of English Public Speaking by Asian Learners: Analyses on Speech Rates and Pauses, 6th International Conference on Corpus Linguistics, 2014.05.
16. Miharu FUYUNO, Yuko YAMASHITA, Yoshikiyo KAWASE, Yoshitaka NAKAJIMA, Analyzing Speech Pauses and Facial Movement Patterns in Multimodal Public-Speaking Data of EFL Learners , The International LCSAW Symposium 2014, 2014.05.
17. Yoshitaka NAKAJIMA, Takayuki SASAKI, Kazuo UEDA, Gerard B. REMIJN, Auditory Grammar in Music, The 13th International Conference on Music Perception and Cognition and the 5th Conference of the Asia-Pacific Society for the Cognitive Sciences of Music, 2014.08.
18. Satoshi MORIMOTO, Gerard B. REMIJN, Yoshitaka NAKAJIMA, Computational Model-Based Analysis of Context Effects on Chord Processing, The 13th International Conference on Music Perception and Cognition and the 5th Conference of the Asia-Pacific Society for the Cognitive Sciences of Music, 2014.08.
19. Zhimin BAO, Yuko YAMASHITA, Kazuo UEDA, Yoshitaka NAKAJIMA, The Acquisition of Speech Rhythm in Chinese-, English-, and Japanese-Learning Infants, The 13th International Conference on Music Perception and Cognition and the 5th Conference of the Asia-Pacific Society for the Cognitive Sciences of Music, 2014.08.
20. Emi HASUO, Kazuo UEDA, Takuya KISHIDA, Haruna FUJIHIRA, Satoshi MORIMOTO, Gerard B. REMIJN, Kimio SHIRAISHI, Shozo TOBIMATSU, Yoshitaka NAKAJIMA, Duration Perception of Filled and Empty Intervals: A Study with Magnitude Estimation and Electroencephalography, The 13th International Conference on Music Perception and Cognition and the 5th Conference of the Asia-Pacific Society for the Cognitive Sciences of Music, 2014.08.
21. Takuya KISHIDA, Yoshitaka NAKAJIMA, Kazuo UEDA, Gerard B. REMIJN, Perceptual Roles of Power Fluctuation Factors in Speech, The 13th International Conference on Music Perception and Cognition and the 5th Conference of the Asia-Pacific Society for the Cognitive Sciences of Music, 2014.08.
22. Gerard B. REMIJN, Yushiro TSUBAKI, Kazuo UEDA, Yoshitaka NAKAJIMA, Auditory Reorganization of Gliding Tones in Different Frequency Ranges, The 13th International Conference on Music Perception and Cognition and the 5th Conference of the Asia-Pacific Society for the Cognitive Sciences of Music, 2014.08.
23. Yamashita Yuko, Miharu FUYUNO, Yoshitaka NAKAJIMA, Influence of speech rate and pauses on the efficiency of English public speaking of Japanese EFL learners, 日本音響学会聴覚研究会, 2014.12.
24. Takuya KISHIDA, Yoshitaka NAKAJIMA, Kazuo UEDA, Gerard B. REMIJN, Perceptual roles of power-fluctuation factors in speech perception: A new method of factor analysis, 日本音響学会聴覚研究会, 2014.12.
25. Shinya ISAJI, Kazuo UEDA, Yoshitaka NAKAJIMA, Gerard B. REMIJN, Speech intelligibility mapped onto a time-frequency resolution plane, 日本音響学会聴覚研究会, 2014.12.
26. Yoshitaka NAKAJIMA, Mizuki MATSUDA, Gerard B. REMIJN, Kazuo UEDA, Temporal resolution needed to hear out Japanese morae in mosaic speech, 日本音響学会聴覚研究会, 2014.05.
27. 中島祥好, 聴覚の文法, テーマワークショップ:聴覚科学研究最前線, 2013.10.
28. 中島祥好, 音声信号の騒音、残響に対する耐性を増す:聴覚の特性を考慮したアルゴリズム, 九州大学新技術説明会, 2013.10.
29. Yoshitaka NAKAJIMA, Kazuo UEDA, Shota FUJIMARU, Yuki Ohsaka, Sonority in British English, 21st International Congress on Acoustics, 165th Meeting of the Acoustical Society of America, 52nd Meeting of the Canadian Acoustical Association, 2013.06.
30. Emi HASUO, Yoshitaka NAKAJIMA, Takuya KISHIDA, Erika TOMIMATSU, Kazuo UEDA, Simon Grondin, The filled duration illusion with the method of of adjustment when filled vs. empty comparison intervals are used, Fechner Day 2013, The 29th Annual Meeting of the International Society for Psychophysics, 2013.10.
31. Yoshitaka NAKAJIMA, Hiroshige TAKEICHI, Takako MITSUDO, Shozo TOBIMATSU, Perceptual processing of pairs of acoustically marked time intervals: Correspondence between psychophysical and electrophysiological data, Fechner Day 2013, The 29th Annual Meeting of the International Society for Psychophysics, 2013.10, Event-related potentials (ERPs) elicited by pairs of subsequent time intervalsmarked by sound bursts were recorded in our previous study1, and the data were reanalyzed utilizing a new multivariate method. Subsequent time intervals t1 and t2 are often perceived as equal in duration when t2 is shorter than 300 ms and up to 50 ms shorter or up to 80 ms longer than t1; the subjective equality holds even if the physical difference is larger than the just noticeable difference obtained for t1 and t2 separated in time. This phenomenon is called auditory temporal assimilation. ERPs were registered in two types of sessions: J sessions, where the participants judged whether the two intervals were subjectively equal or not, and NJ sessions, where no judgments were required. Slow negative components occurred in brain activities in the J sessions, more conspicuous when inequality between t1 and t2 was perceived, in agreement with our earlier study. An experiment in which t2 was fixed at 200ms was chosen for the present analysis. For a moving 100-ms time window, a correlation matrix across the 19 electrodes was calculated for each temporal pattern, and the correlation matrix distance (CMD = Euclidean distance between the respective correlation matrices) between each two patterns was evaluated. The patterns for which subjective equality dominated were classified as equal (E) patterns, those for which subjective inequality dominated as unequal (UE) patterns. There were four E patterns and three UE patterns, but no patterns to be classified otherwise. A measure of separation of E vs. UE patterns
in terms of brain activities was calculated as the sum of squared CMDs between E and UE patterns, and expressed as relative separation (proportionally to the total squared CMD). The relative separation was a function of time, represented by the temporal midpoint of the moving window. The relative separation in the J sessions showed a peak around 70ms after t2, similarly to our earlier findings2. A process related to E-UE judgment is thus likely to take place within 100 ms after t2. Peaks within 100ms after t2 were observed also in the NJ sessions, suggesting that implicit judgments, although not required, may have occurred in a very early stage. The perceptual separation between the E and the UE patterns can thus be related to dynamic aspects of brain activities, critical factors of which we are trying to identify and locate.
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32. Tsuyoshi KURODA, Simon GRONDIN, Yoshitaka NAKAJIMA, Kazuo UEDA, French and English rhythms are perceptually discriminable with only intensity changes in low frequency regions of speech, Fechner Day 2012, The 28th Annual Meeting of the International Society for Psychophysics, 2012.10, The purpose of this study was to determine which frequency band would contribute to discrimination between speech rhythms of French and English. Each trial consisted of two noises with different intensity changes. Each intensity change simulated the one that was derived from a frequency band of recorded sentences of French or English; the band had a center frequency of 350, 1000, 2150, or 4800 Hz. Participants evaluated the rhythm dissimilarity of two noises with an 8-point scale. Two noises were evaluated as more dissimilar when two sentences whose intensity changes were simulated by the noises were in different languages than when they were in the same language. Moreover, this tendency was reduced in 4800 Hz compared with the other bands. This indicates that French and English rhythms are discriminable with intensity changes of low frequency bands, even without any signs of pitch and phoneme.
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33. Kazuo UEDA, Yoshitaka NAKAJIMA, Perceptual roles of different frequency bands in Japanese syllable identification
, Fechner Day 2012, The 28th Annual Meeting of the International Society for Psychophysics, 2012.10, Ueda et al. [(2010). Fechner Day 2010, Padua.] indicated that speech information could be essentially transmitted by the power fluctuations in four frequency bands. We aimed at clarifying the roles of these frequency bands in Japanese speech perception in V/CV syllable identification. We first performed factor analyses of power fluctuations of critical- band-filtered speech, and obtained four frequency bands as in the previous research. The speech was a set of V/CV patterns uttered by a male and a female speaker. The speech patterns were converted into noise-vocoded speech so that only the power fluctuation in each frequency band was preserved. There were also patterns in which one of the frequency bands was eliminated resulting in a spectral gap. Eliminating the lowest band (50-570 Hz) crucially deteriorated perceptual differentiation between voiced and unvoiced consonants. Eliminating the second lowest band (570-1850 Hz) interfered vowel identification turning almost all vowels into /i/. The roles of the other frequency bands were not obvious, but their temporal relationships with the lowest band was suggested to play a role.
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34. Yoshitaka NAKAJIMA, Kazuo UEDA, Shota FUJIMARU, Hirotoshi MOTOMURA, Yuki Ohsaka, Acoustic correlate of phonological sonority in British English
, Fechner Day 2012, The 28th Annual Meeting of the International Society for Psychophysics, 2012.10, Sonority or aperture proposed in linguistic literature can be considered a kind of subjective measure specific to speech perception. Vowels have high sonorities corresponding to a linguistic fact that they can be nuclei of syllables, and fricatives and stops have low sonorities. In order to understand how sonority is perceived, we attempted to find an acoustic dimension on which we could construct a psychophysical scale of sonority. We applied the multivariate analysis method as in Ueda et al. (2010, Fechner Day, Padua) to spoken sentences in British English collected in a commercial database, in which phonemes were segregated and labeled. The speech signals went through a bank of critical-band filters, and the output power fluctuations were subjected to factor analysis. The three factors as in our previous study appeared. The analyzed phonemes were classified into three categories, i.e., vowels, sonorant consonants, and obstruents. These categories were represented well in the Cartesian space whose coordinates were the factor scores of the above factors. One of the factors located around 1000 Hz was highly correlated with sonority or aperture.

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35. Emi HASUO, Yoshitaka NAKAJIMA, Erika TOMIMATSU, Simon GRONDIN, Kazuo UEDA, Perceiving filled vs. empty time intervals: A comparison of adjustment and magnitude estimation methods, Fechner Day 2012, The 28th Annual Meeting of the International Society for Psychophysics, 2012.10, A time interval between the onset and the offset of a continuous sound (filled interval) is often perceived to be longer than a time interval between two successive brief sounds (empty interval) of the same physical duration. The present study examined the occurrence of such phenomenon, sometimes called the filled duration illusion, for time intervals of 40-520 ms with the method of adjustment and the method of magnitude estimation. When the method of adjustment was used, the filled duration illusion appeared clearly for a few participants, while it did not appear for the majority of participants. With magnitude estimation, the filled duration illusion was more likely to occur. The amounts of the illusion did not correlate between the two methods, and it was suggested that even for the same participant, the perception of the empty and the filled intervals can be influenced by the experimental methods.
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36. Kazuo UEDA, Yoshitaka NAKAJIMA, Comparison of Factors Extracted from Power Fluctuations in Critical-Band-Filtered Homophonic Choral Music, The 12th International Conference on Music Perception and Cognition, 2012.07.
37. Takako MITSUDO, Yoshitaka NAKAJIMA, Gerard Remijn, Hiroshige TAKEICHI, Yoshinobu GOTO, Shozo Tobimatsu, Electrophysiological Substrates of Auditory Temporal Assimilation Between Two Neighboring Time Intervals, The 12th International Conference on Music Perception and Cognition, 2012.07.
38. Yoshitaka NAKAJIMA, Hiroshige TAKEICHI, Saki KIDERA, Kazuo UEDA, Multivariate analyses of speech signals in singing and non-singing voices, The 12th International Conference on Music Perception and Cognition, 2012.07.
39. Hiroshige TAKEICHI, Takako MITSUDO, Yoshitaka NAKAJIMA, Shozo Tobimatsu, Electrophysiological correlates of subjective equality and inequality between neighboring time interval, The 12th International Conference on Music Perception and Cognition, 2012.07.
40. 中島 祥好, 日常生活における聴覚の役割, 2012年度聴覚心理学研究会ワークショップ(日本心理学会第76回大会 WS085), 2012.09, 生物進化の歴史において、陸棲脊椎動物が空気を伝わる疎密波である音を捉えることができるように、聴覚システムの大幅な作りなおしが行われたとの、岩堀氏の指摘は、ヒトの聴覚について考える際の出発点となるであろう。ヒトや動物の置かれた環境に緊急の対応を要することが生ずるときには、何かが物理的に急激な動きをし、音の発せられることが多い。これを、危険を察知したり、獲物を見つけたりすることに用いることから、鳥類や哺乳類の精巧な聴覚システムに至るまでの進化が生じたと考えられる。一方、ヒトは音と聴覚による精密なコミュニケーションによって、他の動物とは一線を画する存在となった。 ヒト以外の霊長類は、ヒトよりも高い周波数の音を聴くことができるにもかわらず、音が何らかの時間順序で並べられることから生ずる時間構造を把握する能力において、ヒトよりも劣るとの脇田氏の指摘には頷かされる。言語音声においては、限られた数の音素が一定の規則や制約条件に従って並べられる。言語音声の時間構造について研究することによって、ヒトの聴覚システムがどのように進化したのかについて考察することができるはずである。脊椎動物が陸に上がったときと、ヒトが言葉を喋るようになったときとに、聴覚の飛躍的な発展があったと考えられ、そのおかげで我々は隠れたところにおけるできごとを検出し、過去の事柄や、想像上の事柄について仲間と情報交換することができる。このような聴覚の異なる側面が、どのように統合し、そのおかげでどのようなことができているのかを解明することは、心理学者の仕事であろう。.
41. Yoshitaka Nakajima, Emi Hasuo, Yuki Haraguchi, and Miki Yamashita, Effects of a preceding time interval on the perception of an inter-onset time interval: Is unilateral assimilation in auditory modality replaced by contrast when the difference
between the neighboring time intervals increases?, 4th conference of the Asia-Pacific Society for the Cognitive Sciences of Music (APSCOM4), 2011.07, 1. Background
It had been established that, when the onsets of three successive sound bursts mark two neighboring time intervals, the second time interval can be underestimated when it is
longer than the first time interval by up to 100 ms. This underestimation is very
stable when the first time interval is 200 ms or shorter. Little knowledge had been accumulated, however, about whether any underestimation or overestimation would
take place when the second time interval was lengthened systematically; such
combinations of neighboring time intervals appear frequently in music.
2. Aims
We examined whether, when, and to what degree the second time interval could be
overestimated when it was long enough to be contrasted perceptually with the first time interval. We were especially interested in whether the underestimation of the second
time interval, which should take place when the second time interval was by up to 100
ms longer than the first time interval, would give way smoothly to overestimation when the second time interval was lengthened step by step.
3. Method
We conducted three similar experiments employing 5-6 participants in each of them. The durations of the two neighboring time intervals were varied systematically, and the
points of subjective equality of the second time interval were measured. The measured values were compared with the corresponding values in a control condition, in which
only the second time intervals were presented with two successive tone bursts. The
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durations of the first and the second time interval were 40-280 ms and 40-1000 ms,
respectively.
4. Results
The underestimation of the second time interval appeared clearly when this interval
was longer than the first time interval by 80 ms, but gave way to overestimation rather
smoothly as the difference between the neighboring time intervals increased when the first time interval was 80-280 ms. The overestimation stayed positive, typically around 50 ms, when the difference between the neighboring time intervals was between 240 and 800 ms. This range covers considerable cases in which a shorter and a longer
time interval neighbor each other in this order in music.
5. Conclusions
It was revealed that the well-established underestimation of the second time interval
gave way to overestimation, which can be viewed as contrast between the neighboring
time intervals, when the second time interval was longer than the first time interval by 240 ms or more. Considering the combinations of the duration values, overestimation of this kind can take place frequently in music. 6. Keywords
time perception, rhythm, contrast, overestimation
7. Topic areas
Rhythm & Time
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91.
42. Nakajima, Y., Shimada, Y., Motomura, H., Ueda, K., and Seno, T., Factor analyses of critical-band-filtered infant babbling, The 161st Meeting of the Acoustical Society of America, 2011.05.
43. 中島祥好, 錯聴のいろいろ, 新潟神経学夏期セミナー, 2011.07.
44. 中島祥好, 時間知覚の時間構造:聴覚における空虚時間知覚, 第26回日本生体磁気学会, 2011.06, My colleagues and I conducted systematic
experiments on the perception of time intervals
marked by the onsets of very short sound markers,
and found that the subjective duration of a time
interval in relative judgment is approximately in
proportion to its physical duration plus a constant
of about 80 ms. After that, we discovered that a
time interval up to 300 ms is underestimated stably
when preceded immediately by a time interval that
is shorter by up to 100 ms. A time interval is also
assimilated perceptually to a neighboring time
interval which is shorter or longer by up to 50 ms.
We are trying to understand how these phenomena
can be related with each other, and to find their
brain-scientific correlates..
45. 中島 祥好,竹市 博臣, 時間知覚の精神物理学と脳科学, 2011.03.
46. Asano, M., Fukui, M., Komatsu, Y., Nakajima, Y., Saeki, Y., Sugihara, S., Takato, M., and Tsukahara, T, Effects of group music therapy on chronic schizophrenia in-patients in Japan, 2010 American Music Therapy Association Conference, Cleveland, USA., 2010.11.
47. Yoshitaka Nakajima, Tsuyoshi Kuroda, and Tomomi Terada, Auditory Events That Seem To Be Formed Illusorily From Offset Cues, Fechner Day 2010, The 26th Annual Meeting of the International Society for Psychophysics, 2010.10.
48. Emi Hasuo, Yoshitaka Nakajima, and Kazuo Ueda, Does filled-duration illusion take place for very short time intervals?, Fechner Day 2010, The 26th Annual Meeting of the International Society for Psychophysics, 2010.10.
49. Kazuo Ueda, Yoshitaka Nakajima, and Yu'ichi Satsukawa, Effects of frequency-band elimination on syllable identification of Japanese noise-vocoded speech: Analysis of confusion matrices, Fechner Day 2010, The 26th Annual Meeting of the International Society for Psychophysics, 2010.10.
50. Yoshitaka Nakajima, Emi Hasuo, Miki Yamashita, Hiroki Nozaki, and Yoko Fujishima, Effect of sound marker duration on the occurrence of time-shrinking, The Rhythm Perception and Production Workshop 2009, 2009.07.
51. Yoshitaka Nakajima, Emi Hasuo, Miki Yamashita, Hiroki Nozaki, and Yoko Fujishima, Effect of sound marker duration on the occurrence of time-shrinking, The Rhythm Perception and Production Workshop 2009, 2009.07.
52. Yoshitaka Nakajima, Tsuyoshi Kuroda, and Tomoko Uehar, Illusory unification of simultaneous temporal gap of glide tones that are apart from each other in frequency, Fechner Day 2009, The 25th Annual Meeting of the International Society for Psychophysics, 2009.10.
53. 中島祥好, 音はいつ始まり、いつ終わる?−−合成楽器音、合成音声を用いたデモンストレーション, 第2回錯覚ワークショップ(明治大学), 2010.03.
54. Takako Mitsudo, Yoshitaka Nakajima, Gerard B. Remijn, Yoshinobu Goto, and Shozo Tobimatsu, A psychophysiological approach to auditory temporal assimilation, The 10th International Conference on Music Perception and Cognition, 2008.08.
55. Emi Hasuo and Yoshitaka Nakajima, Effects of marker durations on the perception of inter-onset time intervals, The 10th International Conference on Music Perception and Cognition, 2008.08.
56. Kazuo Ueda and Yoshitaka Nakajima, A critical-band-filter analysis of Japanese speech sentences, The 24th Annual Meeting of the International Society for Psychophysics, 2008.08.
57. Emi Hasuo, Hiroyuki Fujishima, and Yoshitaka Nakajima, Effects of temporal distribution of sound energy within marker duration on the perception of empty time intervals, The 24th Annual Meeting of the International Society for Psychophysics, 2008.07.
58. Tsuyoshi Kuroda, Yoshitaka Nakajima, and Shuntarou Eguchi, Effects of the sound-pressure-level difference between crossing glides on the occurrence of the gap transfer illusion, The 24th Annual Meeting of the International Society for Psychophysics, 2008.07.
59. 中島祥好, 音の時間的な連続,不連続に関わる錯覚現象, 人工知能学会 AIチャレンジ研究会(第28回), 2008.11.
60. Yoshitaka Nakajima, Illusions related to auditory grammar: Ten demonstrations in musical contexts, The 10th International Conference on Music Perception and Cognition, 2008.08.
61. Yoshitaka Nakajima, Illusions related to the temporal continuity and discontinuity of sounds, The 24th Annual Meeting of the International Society for Psychophysics, 2008.07.
62. Yoshitaka Nakajima & Kazuo Ueda, A computational approach to the perception of syllables, The 2nd International Symposium on Design of Artificial Environments, 2007.11.
63. Kazuo Ueda & Yoshitaka Nakajima, Principal component analyses of critical-band-filtered speech, The 2nd International Symposium on Design of Artificial Environments, 2007.11.
64. Elvira Perez & Yoshitaka Nakajima, Avoiding the ungrammatical: Supporting evidence for auditory grammar and the event construction model, The 11th Rhythm Production and Perception Workshop, 2007.07.
65. 中島祥好, 聴覚体制化と聴覚の文法, 情報科学研究科セミナー, 2007.02.
66. Kaoru Ashihara, Yukio Iwaya, Kengo Ohgushi, Yoshitaka Nakajima, Amazing features of the auditory system, 4th Joint Meeting of the Acoustical Society of America and the Acoustical Society of Japan, 2006.11.
67. Tsuyoshi Kuroda, Yoshitaka Nakajima, The role of spectral factors in the occurrence of the gap transfer illusion, 4th Joint Meeting of the Acoustical Society of America and the Acoustical Society of Japan, 2006.11.
68. Yoko Fujishima, Yoshitaka Nakajima, The effect of marker duration on time shrinking, 4th Joint Meeting of the Acoustical Society of America and the Acoustical Society of Japan, 2006.11.
69. Yoshitaka Nakajima, Auditory grammar: The event construction model and spoken language, 4th Joint Meeting of the Acoustical Society of America and the Acoustical Society of Japan, 2006.11.
70. Yoshitaka Nakajima, Kazuo Ueda, Auditory events in language and music, 4th Joint Meeting of the Acoustical Society of America and the Acoustical Society of Japan, 2006.11.
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