Minju Bae ✉️
MS in Cognitive Science, Seoul National University (2022)
BA in Psychology, Chung-Ang University (2020)
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Speech production involves both a what and a how. What is produced encompasses high-level processes, such as transforming thoughts into messages and selecting words and sentence structures, while how it is produced includes low-level processes, such as speech motor control.
I am dedicated to exploring the neural mechanisms of speech production with a focus on the integration of high-level cognitive processes and low-level phonetic execution. My approach utilizes cutting-edge neuroimaging and computational modeling techniques to better understand these complex interactions.
With this foundational knowledge, I have two primary objectives. First, I aspire to contribute significantly to the development of advanced neural speech prosthetics, enhancing communication for individuals with speech impairments. Second, I am committed to the development of speech biomarkers, which are crucial for advancing our ability to diagnose and monitor cognitive and mental disorders with greater accuracy and efficiency.
Research Projects
Are you aware that Alzheimer's disease (AD) patients exhibit distinct speech characteristics when compared to normal older adults? There have been ongoing efforts to utilize these unique speech features in speech-based AD detection. Numerous prior studies are dedicated to enhancing diagnostic algorithms for more precise diagnoses. However, is there any other way to improve detection models? For instance, what if we use speech tasks that accentuate the speech patterns of AD patients? Read more
How does AD impact speech production? What are the neural changes that influence speech production? Which cognitive impairments affect speech production? Through these questions, what can we uncover about the neural and cognitive mechanisms of speech production? Read more
In my previous research, I primarily focused on the acoustic features of speech. While changes in these acoustic features can be indicative of disruptions in both higher-level and lower-level processes, they offer limited access to higher-level processes. As a result, I have expanded the scope of my research in two significant ways. Read more
Development of an Application for Assessment of the Risk of Neurodegenerative Disease: a Preliminary Study
Development of an Application for Assessment of the Risk of Neurodegenerative Disease: a Preliminary Study
Speech serves as a novel biomarker that facilitates early diagnosis and intervention. It offers cost-effective, time-efficient, and user-friendly self-assessment capabilities, allowing individuals to conveniently administer tests from the comfort of their homes. I am in the process of developing a mobile app for speech-based AD detection. This app is currently undergoing patent application.
Publications
Bae, M., Ham, H., Lee, H., Kwak, S., Kim, K.Y., Lee, J.Y.(2023) Cognitive and Structural Underpinnings of Speech-Based Digital Biomarkers of Alzheimer's Disease (be writing)
Bae, M., Seo, M.G., Ko, H., Ham, H., Kim, K.Y., Lee, J.Y.(2023) The Efficacy of Memory Load on Speech-based Detection of Alzheimer's Disease. Frontiers in Aging Neuroscience, 15, 1186786. (Link)
Kim, H., Kwak, S., Yoo, S.Y., Lee, E.C., Park, S., Ko, H., Bae, M., Seo, M.G., Nam, G., Lee, J.Y. (2023). Facial Expressions Track Depressive Symptoms in Old Age. Sensors, 23(16), 7080. (Link)
Ko, H., Kim, K., Bae, M., Seo, M.G., Nam, G., Park, S., Park, S., Ihm, J., & Lee, J.Y. (2021). Changes in Computer-Analyzed Facial Expressions with Age. Sensors, 21(14), 4858. (Link)
Presentations
Structural Correlates of Speech Biomarkers in Alzheimer's Disease and Mild Cognitive Impairment
2023 Alzheimer's Association International Conference
The Usefulness of Cognitive Task on Automatic Speech Analysis for Detection of Alzheimer's Disease
2022 Fall Conference of the Korean Association for Geriatric Psychiatry
Identification of Speech Characteristics and Detection of Alzheimer's Disease using Acoustic Features from Story Recall Task
2022 Alzheimer's & Parkinson's Disease Conference
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