You (Lilian) Cheng

You (Lilian) Cheng

Research Fellow at Massachusetts General Hospital & Harvard Medical School

Lead OCRUG Book Club Session on Topic Modeling

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This evening, I led the session on Topic Modeling in the book club of Orange County R Users Group (OCRUG). The session covered contents of chapter 5 (converting to and from non-tidy formats) and chapter 6 (topic modeling) of the book Text Mining with R. All of my teaching slides and exercise materials can be found here.

This is the first time I really look into Natural Language Processing (NLP) and it’s fun. Although my research doesn’t really need to apply NLP directly, I still found it promising especially for researchers in the field of life sciences. The burgeoning of explainable AI could make things easier for the general public to understand scientific results and NLP will play an important role in filling the gap. Maybe in one day, all patients could easily understand their brain health after brain scans via the excellent interpretation of a machine.

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Present at AAIC 2023

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This week, I attended the annual Alzheimer’s Association International Conference (AAIC) by presenting a poster “Predicting Brain Amyloid Status Using the NIH Toolbox for Assessment of Neurological and Behavioral Function” (virtually by me, in person in Armsterdam, NL by my co-author Prof. Hiroko Dodge). This is my first presentation at Alzheimer’s conference and hope it’s a good start.

New paper on MRI analysis published in PNAS

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My co-authored new paper regarding MRI analyses was accepted by PNAS. The research introduced SynthSeg+, an AI segmentation suite that provides robust analysis on clinical MRI scans. The tool is available on Freesurfer.

Attend BrightFocus Alzheimer’s Fast Track Workshop and Present at Sfn 2022 in San Diego

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This month, I attended the BrightFocus AD Fast Track 2022 workshop in San Diego (Thanks to the support of BrightFocus Travel Diversity Fellowship). The immersive workshop gave me a good head start on cutting-edge research related to Alzheimer’s dementia. Afterwards, I attended Sfn 2022 and gave a talk titled “Evidence for a distributed head direction and travel trajectory system in the human brain during active navigation” at the nanosymposium “Memory Encoding and Spatial Navigation” on Wednesday afternoon (Nov. 16).