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Cognitive Science Lab
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A lab exploring the mechanisms of how rhythm and time are perceived.

AboutAbout the lab
Uncovering how the rhythm of sounds is heard
Assistant Professor Emi Hasuo studies the mechanisms of rhythm perception (time perception), which underlies communication through speech and music.
The professor investigates how the rhythm of a sequence of sounds is heard, looking at the influence of the beat and at assimilation and contrast between adjacent time intervals.
The professor is a faculty member of the Acoustic Design Course in the School of Design and the Graduate School of Design, specializing in cognitive science and music psychology.
Key terms
- Rhythm perception
- The function of perceiving the temporal pattern of a sequence of sounds
- Beat
- The regular pulse that serves as a reference when feeling rhythm
- Assimilation and contrast
- The phenomenon in which the lengths of adjacent time intervals are perceived as closer to each other, or as more different from each other
ResearchResearch themes
The lab aims to clarify the mechanisms of rhythm perception (time perception), which underlies communication through speech and music. It investigates topics such as how the beat influences the way rhythm is heard and individual differences in how durations are perceived.
*Illustrative imageEffects of the Beat on Rhythm Perception
The lab investigates how the beat affects the way the rhythm of a sequence of sounds is heard. Assimilation and attention are also research keywords.
*Illustrative imageIndividual Differences in Time Perception
The lab investigates the perception of filled and empty durations from the perspective of individual differences, using multivariate analysis. The research explores how the filled-duration illusion appears differently from person to person.
*Illustrative imagePerception of Adjacent Time Intervals
The lab investigates the phenomenon in which adjacent time intervals influence how long each other seems. The time-shrinking illusion, and assimilation and contrast, are research keywords.
MembersFaculty
- Assistant ProfessorEmi Hasuo
VoicesStudent voices
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Metronome Nikko” Vincent Quach (Invincible) / CC BY-SA 3.0 (cropped)
- Effects of the Beat on Rhythm Perception: “Gallop drum pattern” Hyacinth / Public domain (cropped)
- Individual Differences in Time Perception: “Hourglass with sand” John Morgan / CC BY 2.0 (cropped)
- Perception of Adjacent Time Intervals: “Arturia BEATSTEP = MIDI Controller + MIDI,USB,CV-Gate Step Sequencer” Kazuhisa OTSUBO from Tokyo, Japan / CC BY 2.0 (cropped)
- Related lab (Cognitive Science Lab): “Drummers in Air” Ramesh Lalwani / CC BY 2.0 (cropped)
- Related lab (Psychology Lab): “Motion illusion in star arrangement” Fiestoforo / CC BY 3.0 (cropped)
- Related lab (Psychology Lab): “Motion - Train New York City 2013” Stuart McAlpine / CC BY 2.0 (cropped)
- Related lab (Psychology (Hiroyuki Ito) Lab): “Variation on Z N spin model” Yourimarina / CC BY 4.0 (cropped)
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