I study how the brain processes speech sounds.

Currently, I am using electrocorticography (ECoG) to directly measure neural dynamics of learning-induced changes from the surface of the human auditory cortex. Previously, I have used a combination of functional and structural neuroimaging methods (fMRI; DTI) as well as electroencephalography (EEG) to examine neural correlates of individual variability in speech sound learning.

The encoding of speech sounds in the superior temporal gyrus.
Yi*, Leonard*, Chang. in press. Neuron.

The role of the human auditory corticostriatal network in speech learning.
Feng*, Yi*, Chandrasekaran. 2018. Cerebral Cortex.

Vowel decoding from single-trial speech-evoked electrophysiological responses: A feature-based machine learning approach.
Yi, Xie, Reetzke, Dimakis, Chandrasekaran. 2017. Brain and Behavior.

Auditory categories with separable decision boundaries are learned faster with full feedback than with minimal feedback.
Yi, Chandrasekaran. 2016. The Journal of Acoustical Society of America.

Effect of explicit dimension instruction on speech category learning.
Chandrasekaran, Yi, Smayda, Maddox. 2016. Attention, Perception, & Psychophysics.

The role of corticostriatal systems in speech category learning.
Yi, Maddox, Mumford, Chandrasekaran. 2016. Cerebral Cortex.

Performance pressure enhances speech learning
Maddox, Koslov, Yi, Chandrasekaran. 2016. Applied Psycholinguistics.

Enhanced procedural learning of speech sound categories in a genetic variant of FOXP2.
Chandrasekaran, Yi, Blanco, McGeary, Maddox. 2015. The Journal of Neuroscience.

Nonnative audiovisual speech perception in noise: Dissociable effects of the speaker and listener.
Xie*, Yi*, Chandrasekaran. 2015. PLoS ONE.

The neural processing of foreign-accented speech and its relationship to listener bias.
Yi, Smiljanic, Chandrasekaran. 2014. Frontiers in Human Neuroscience.

Elevated depressive symptoms enhance reflexive but not reflective auditory category learning.
Maddox, Chandrasekaran, Smayda, Koslov, Yi, Beevers. 2014. Cortex.

Dual-learning systems during speech category learning.
Chandrasekaran, Yi, Maddox. 2014. Psychonomic Bulletin & Review.

Reduced efficiency of audiovisual integration for nonnative speech.
Yi, Phelps, Smiljanic, Chandrasekaran. 2013. The Journal of the Acoustical Society of America.

Dual systems of speech category learning across the lifespan.
Maddox, Chandrasekaran, Smayda, Yi. 2013. Psychology and Aging.

Subcortical representation of speech fine structure relates to reading ability.
Hornickel, Anderson, Skoe, Yi, Kraus. 2012. NeuroReport.

A neural basis of speech-in-noise perception in older adults.
Anderson, Parbery-Clark, Yi , Kraus. 2011. Ear & Hearing.

Cortical-evoked potentials reflect speech-in-noise perception in children.
Anderson, Chandrasekaran, Yi, Kraus. 2010. European Journal of Neuroscience.