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Soo-Jin Yang

Ewha Womans University · Psychology

About the Lab

Professor Soo-Jin Yang's research lab focuses on cognitive and clinical psychology, with a primary emphasis on executive functioning in bilingual children, the impact of digital media on adolescent body image, and psychopharmacological interventions in schizophrenia. The lab investigates how cognitive control, cultural influences, and technology use shape mental health and behavior across developmental stages. It also explores the neurocognitive and psychiatric effects of antipsychotic medications, particularly in relation to cognitive function, medication adherence, and side effects such as obsessive-compulsive symptoms.

bilingual cognitionbody imageschizophreniaantipsychoticsexecutive function

Research Overview

Papers
172
Total Citations
3,331
Papers (5y)
52
Primary Field
Psychology

Research Output Trend

Figures are computed from collected data and may differ slightly.

Publications per year (5y)
52total
2022
2023
2024
2025
2026
Citations per year (5y)
59total
20222023202420252026

Selected Papers

15
1
Article|223 citations·2011
Early childhood bilingualism leads to advances in executive attention: Dissociating culture and language
Sujin Yang, Hwajin Yang, Barbara Lust
SJR Q1Bilingualism Language and CognitionOA

This study investigated whether early especially efficient utilization of executive functioning in young bilinguals would transcend potential cultural benefits. To dissociate potential cultural effects from bilingualism, four-year-old U.S. Korean–English bilingual children were compared to three monolingual groups – English and Korean monolinguals in the U.S.A. and another Korean monolingual group, in Korea. Overall, bilinguals were most accurate and fastest among all groups. The bilingual advan

Developmental and Educational PsychologyPsychology
2
Article|201 citations·2005
Bullying and Victimization Behaviors in Boys and Girls at South Korean Primary Schools
Sujin Yang, Jae‐Min Kim, Sung‐Wan Kim, Il‐Seon Shin, Jin‐Sang Yoon
SJR Q1Journal of the American Academy of Child & Adolescent PsychiatryOA
Social PsychologyPsychology
3
Article|166 citations·2013
Differences in predictors of traditional and cyber-bullying: a 2-year longitudinal study in Korean school children
Sujin Yang, Robert Stewart, Jae‐Min Kim, Sung‐Wan Kim, Il‐Seon Shin, Michael Dewey, Séan Maskey, Jin‐Sang Yoon
SJR Q1European Child & Adolescent PsychiatryOA
Social PsychologyPsychology
4
Article|76 citations·2020
Effects of Social Media and Smartphone Use on Body Esteem in Female Adolescents: Testing a Cognitive and Affective Model
Hwajin Yang, Joy Jiaqi Wang, Germaine Y. Q. Tng, Sujin Yang
SJR Q2ChildrenOA

We examined the predictive relations of social media and smartphone use to body esteem in female adolescents and the mechanism that underlies these relations. As a result of frequent social media and smartphone use, adolescents are continually exposed to appearance-related media content. This likely reinforces a thin ideal and fosters appearance-based comparison and increases fear of external evaluation. Hence, we investigated a cognitive-affective framework in which the associations of social m

Clinical PsychologyPsychology
5
Article|66 citations·2016
Bilingual effects on deployment of the attention system in linguistically and culturally homogeneous children and adults
Sujin Yang, Hwajin Yang
SJR Q1Journal of Experimental Child Psychology
Cognitive NeuroscienceNeuroscience
6
Article|47 citations·2009
Effectiveness of Switching to Aripiprazole From Atypical Antipsychotics in Patients With Schizophrenia
Sung‐Wan Kim, Il‐Seon Shin, Jae‐Min Kim, Jeong-Hoon Lee, Yo‐Han Lee, Sujin Yang, Jin‐Sang Yoon
SJR Q3Clinical Neuropharmacology

Patients with schizophrenia who switched from their previous antipsychotics to aripiprazole demonstrated improvements in cognitive function, psychotic symptoms, social function, attitude toward medication, and metabolic abnormalities.

Psychiatry and Mental healthMedicine
7
letter|42 citations·2008
Amisulpride Improves Obsessive-Compulsive Symptoms in Schizophrenia Patients Taking Atypical Antipsychotics
Sung‐Wan Kim, Il‐Seon Shin, Jae‐Min Kim, Sujin Yang, Michael Hwang, Jin‐Sang Yoon
SJR Q2Journal of Clinical Psychopharmacology

Kim, Sung-Wan MD, PhD; Shin, Il-Seon MD, PhD; Kim, Jae-Min MD, PhD; Yang, Su-Jin MD, PhD; Hwang, Michael Y. MD; Yoon, Jin-Sang MD, PhD Author Information

Clinical PsychologyPsychology
8
Article|36 citations·2006
Association Between Attitude Toward Medication and Neurocognitive Function in Schizophrenia
Sung‐Wan Kim, Il‐Seon Shin, Jae‐Min Kim, Sujin Yang, Hee‐Young Shin, Jin‐Sang Yoon
SJR Q3Clinical Neuropharmacology

Our findings indicate that a patient's attitude toward medication is associated with neurocognitive function. Specifically, verbal learning memory, executive functioning, and sustained attention were associated with attitude toward medication.

Psychiatry and Mental healthMedicine
9
Article|35 citations·2009
The 5-HT2 Receptor Profiles of Antipsychotics in the Pathogenesis of Obsessive-Compulsive Symptoms in Schizophrenia
Sung‐Wan Kim, Il‐Seon Shin, Jae‐Min Kim, Tak Youn, Sujin Yang, Michael Hwang, Jin‐Sang Yoon
SJR Q3Clinical Neuropharmacology

Atypical antipsychotics have been reported to induce or exacerbate obsessive-compulsive symptoms (OCS) in patients with schizophrenia. We report the development of de novo obsession induced by sequential treatment with risperidone, aripiprazole, and ziprasidone, which have an antagonist effect on serotonin 5-HT(2A) receptors in a patient with schizophrenia. The obsession was repeatedly improved after switching the atypical antipsychotics to amisulpride, a selective D(2) and D(3) receptor antagon

Clinical PsychologyPsychology
10
Article|28 citations·2010
Disturbed Eating Attitudes and Behaviors in South Korean Boys and Girls: A School-Based Cross-Sectional Study
Sujin Yang, Jae‐Min Kim, Jin‐Sang Yoon
SJR Q2Yonsei Medical JournalOA

PURPOSE: This study was designed to assess the prevalence and correlates of disturbed eating attitudes and behaviors in South Korean students. MATERIALS AND METHODS: In a cross-sectional survey, 2,226 fourth and seventh grade students filled out questionnaires on eating attitudes and behaviors (Eating Attitude Test -26, EAT-26), coping strategies, fear of being overweight, behavioral problems, anxiety, depression, and self-esteem. RESULTS: Disturbed eating attitudes and behaviors were found in 7

Clinical PsychologyPsychology
11
Article|25 citations·2014
Prevalence and Correlates of Problematic Internet Experiences and Computer-Using Time: A Two-Year Longitudinal Study in Korean School Children
Sujin Yang, Robert Stewart, Ju‐Yeon Lee, Jae‐Min Kim, Sung‐Wan Kim, Il‐Seon Shin, Jin‐Sang Yoon
SJR Q2Psychiatry InvestigationOA

Different environmental and psychological factors predicted different aspects of problematic Internet experiences and computer-using time. This knowledge is important for framing public health interventions to educate adolescents about, and prevent, internet-derived problems.

Sociology and Political ScienceSocial Sciences
12
Article|22 citations·2022
Inconsistent Media Mediation and Problematic Smartphone Use in Preschoolers: Maternal Conflict Resolution Styles as Moderators
Hwajin Yang, Wee Qin Ng, Yingjia Yang, Sujin Yang
SJR Q2ChildrenOA

Previous studies suggest that inconsistent parenting leads to undesired consequences, such as a child's defiant reactance or parent-child conflicts. In light of this, we examined whether mothers' inconsistent smartphone mediation strategies would influence their children's problematic smartphone use during early childhood. Furthermore, given that harsh parenting often escalates a child's behavioral problems, we focused on parent-child conflict resolution tactics as moderators. One hundred fifty-

EducationSocial Sciences
13
Article|17 citations·2022
Multidimensional Profiles of Addictive Smartphone Use: A Latent Profile Analysis
Hwajin Yang, Germaine Y. Q. Tng, Shuna Shiann Khoo, Sujin Yang
SJR Q1Current PsychologyOA

Abstract Given that crucial psychological attributes of smartphone addiction have been studied in isolation from each other, we examined latent profiles of emotional distress (depression, stress, loneliness, and fear of missing out; i.e., FoMO); protective traits (self-control, mindfulness, grit); the behavioral inhibition system (BIS) and approach system (BAS; drive, reward responsiveness, and fun seeking) in relation to addictive smartphone use. We identified three distinctive profiles, using

Sociology and Political ScienceSocial Sciences
14
Article|16 citations·2016
Sympathy fuels creativity: The beneficial effects of sympathy on originality
Hwajin Yang, Sujin Yang
SJR Q1Thinking Skills and Creativity
Experimental and Cognitive PsychologyPsychology
15
Article|14 citations·2017
The effects of script variation, literacy skills, and immersion experience on executive attention: A comparison of matched monoscriptal and biscriptal bilinguals
Sujin Yang, Hwajin Yang, Andree Hartanto
SJR Q1Bilingualism Language and Cognition

To examine script effects, monoscriptal Spanish–English (SE) bilinguals, who use two similar Roman alphabetic systems, were compared to biscriptal Chinese–English (CE) bilinguals, who use logographs and Roman alphabets. On the Attention Network Test, script effects were most evident in global processing efficiency (i.e., inverse efficiency and reaction time) and in the local network of executive control in favor of biscriptal CE bilinguals over matched monoscriptal SE counterparts. Literacy effe

Cognitive NeuroscienceNeuroscience

Research Areas

Social PsychologyClinical PsychologyCognitive NeuroscienceSociology and Political SciencePsychiatry and Mental healthExperimental and Cognitive Psychology

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