Explanipedia

Preserved context sensitivity in language production: Lexical differentiation in older adults. Open

Si On Yoon, Abigayle Shekleton, Daphna Heller · 2025

Aging is often associated with cognitive decline, particularly in memory, which can impact language production. However, older adults (OA) do not exhibit a decline in crystallized intelligence, which reflects accumulated knowledge and expe…

Neural basis of motor symptoms in Alzheimer's disease: role of regional tau burden and cognition Open

Han Kyu Na, Hanna Cho, Hye Sun Lee, Han‐Kyeol Kim, Si On Yoon , et al. · 2025

INTRODUCTION With accumulating evidence that motor manifestations in Alzheimer's disease (AD) may emerge from AD pathology independent of other copathologies, we investigated the neural basis of motor dysfunction under the amyloid/tau/neur…

Limited learning and adaptation in disfluency processing among older adults. Open

Dan Luo, Kristi Hendrickson, Si On Yoon · 2025

Listeners adapt to diverse cues in real-time language processing. While younger adults can learn and adapt in complex multitalker settings, it remains uncertain whether this ability persists in older adults, especially when they must accum…

Inhibitory Control of Disconfirmed Predictions During Sentence Processing in Aging Open

Jina Kim, Si On Yoon, Jan R. Wessel, Kristi Hendrickson · 2025

Sensitivity to Prior Context in Referring Expressions Across the Lifespan Open

Si On Yoon, Abigayle Shekleton, Daphna Heller · 2024

Accelerated brain aging and neurocognitive dysfunction in metabolic diseases: insights from machine learning analysis Open

Young Hoon Joo, H. Lee, Hao Hong, Eun Kyo Ha, Si On Yoon , et al. · 2024

Keeping track of who knows what in multiparty conversation despite severe memory impairment Open

Si On Yoon, Melissa C. Duff, Sarah Brown‐Schmidt · 2023

Mealtime interactions between nursing home staff and residents with dementia: a behavioral analysis of Language characteristics Open

Wen Liu, Ying‐Ling Jao, Anju Paudel, Si On Yoon · 2023

Background Quality staff-resident communication is crucial to promote outcomes in nursing home residents with dementia requiring assistance during mealtimes. Better understanding of staff-resident language characteristics in mealtime inter…

Video Call Usage in Older Adults With or Without Dementia Impacted by the COVID-19 Pandemic Open

Si On Yoon, Eun Jin Paek · 2023

The usage of video calls for social connection generally increased during the COVID-19 pandemic. It remains unclear, how individuals with dementia (IWD), many of who already experienced isolation in their care settings, use and perceive vi…

Alcohol and common ground: The effects of intoxication on linguistic markers of shared understanding during social exchange. Open

Anna C. S. Garrison, Si On Yoon, Sarah Brown‐Schmidt, Talia Ariss, Catharine E. Fairbairn · 2023

Results suggest that alcohol facilitates the development of shared linguistic understanding in novel social spaces, indicating common ground as one potential mechanism to consider in our broader examination of alcohol reinforcement and AUD…

Mealtime Interactions between Nursing Home Staff and Residents with Dementia: A Behavioral Analysis of Language Characteristics Open

Wen Liu, Ying‐Ling Jao, Anju Paudel, Si On Yoon · 2023

Background. Quality staff-resident communication is crucial to promote outcomes in nursing home residents with dementia requiring assistance during mealtimes. Better understanding of staff-resident language characteristics in mealtime inte…

FACTORS ASSOCIATED WITH MEALTIME LANGUAGE CHARACTERISTICS IN NURSING HOME STAFF AND RESIDENTS WITH DEMENTIA Open

Wen Liu, Ying‐Ling Jao, Si On Yoon · 2022

Interactive staff-resident communication is crucial for nursing home residents with dementia requiring mealtime assistance. Effective communication may facilitate food intake and promote function and nutrition. However, understanding of st…

Alcohol and Common Ground: The Effects of Intoxication on Linguistic Markers of Shared Understanding during Social Exchange Open

Anna C. S. Garrison, Si On Yoon, Sarah Brown‐Schmidt, Talia Ariss, Catharine E. Fairbairn · 2022

Objective: Most alcohol consumption takes place in social contexts, and the belief that alcohol enhances social interactions has been identified as among the more robust predictors of alcohol use disorder (AUD) development. Yet we know lit…

Multi-modal Vision-and-Language Analysis of Communication Deficits due to Alzheimer’s Disease Open

Ziming Liu, Parker Collier, Eun Jin Paek, Si On Yoon, Devin M. Casenhiser , et al. · 2022

Previous research has demonstrated that referential communication tasks (RCTs) can be used to detect language deficits in people with Alzheimer’s Disease (AD). This study carried out a multi-modal vision-and-language analysis on data produ…

Detecting Alzheimer’s Disease Using Natural Language Processing of Referential Communication Task Transcripts Open

Ziming Liu, Eun Jin Paek, Si On Yoon, Devin M. Casenhiser, Wenjun Zhou , et al. · 2022

Background: People with Alzheimer’s disease (AD) often demonstrate difficulties in discourse production. Referential communication tasks (RCTs) are used to examine a speaker’s capability to select and verbally code the characteristics of a…

A Simulated Experiment to Explore Robotic Dialogue Strategies for People with Dementia Open

Fengpei Yuan, Amir Sadovnik, Ran Zhang, Devin M. Casenhiser, Eun Jin Paek , et al. · 2021

People with Alzheimer's disease and related dementias (ADRD) often show the problem of repetitive questioning, which brings a great burden on persons with ADRD (PwDs) and their caregivers. Conversational robots hold promise of coping with …

Referential Form and Memory for the Discourse History Open

Si On Yoon, Aaron S. Benjamin, Sarah Brown‐Schmidt · 2021

The way we refer to things in the world is shaped by the immediate physical context as well as the discourse history. But what part of the discourse history is relevant to language use in the present? In four experiments, we combine the st…

What’s New to You? Preschoolers’ Partner-Specific Online Processing of Disfluency Open

Si On Yoon, Kyong‐sun Jin, Sarah Brown‐Schmidt, Cynthia Fisher · 2021

Speech disfluencies (e.g., “Point to thee um turtle”) can signal that a speaker is about to refer to something difficult to name. In two experiments, we found evidence that 4-year-olds, like adults, flexibly interpret a particular partner’…

The identity of the partner matters even when naming everyday objects Open

Si On Yoon, Breanna Brigitte Pratley, Daphna Heller · 2021

Social factors, such as partner familiarity (e.g., talking to a friend vs. stranger) may affect some conversations but not others. While researchers do not always control the partner identity when conducting interactive studies, the curren…

Standardizing Assessment of Spoken Discourse in Aphasia: A Working Group With Deliverables Open

Brielle C. Stark, Manaswita Dutta, Laura L. Murray, Lucy Bryant, Davida Fromm , et al. · 2020

Purpose The heterogeneous nature of measures, methods, and analyses reported in the aphasia spoken discourse literature precludes comparison of outcomes across studies (e.g., meta-analyses) and inhibits replication. Furthermore, funding an…

Contextual Integration in Multiparty Audience Design Open

Si On Yoon, Sarah Brown‐Schmidt · 2019

Communicating with multiple addressees poses a problem for speakers: Each addressee necessarily comes to the conversation with a different perspective—different knowledge, different beliefs, and a distinct physical context. Despite the ubi…

Standardizing assessment of spoken discourse in aphasia: A working group with deliverables Open

Brielle C. Stark, Manaswita Dutta, Laura L. Murray, Lucy Bryant, Davida Fromm , et al. · 2019

Purpose: The heterogeneous nature of measures, methods, and analyses reported in the aphasia spoken discourse literature precludes comparison of outcomes across studies (e.g., meta-analyses) and inhibits replication. Furthermore, funding a…

Audience Design in Multiparty Conversation Open

Si On Yoon, Sarah Brown‐Schmidt · 2019

How do speakers design what they say in order to communicate effectively with groups of addressees who vary in their background knowledge of the topic at hand? Prior findings indicate that when a speaker addresses a pair of listeners with …

Learning and using knowledge about what other people do and don't know despite amnesia Open

Si On Yoon, Melissa C. Duff, Sarah Brown‐Schmidt · 2017

Mechanisms of conversation: audience design and memory Open

Si On Yoon · 2016

It is well established that conversational partners jointly establish brief labels for repeatedly mentioned entities. When speaking to a new partner who is unfamiliar with the labels, speakers use longer expressions to facilitate understan…

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