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Professor LAW, Sam Po

Personal Particulars

Professor LAW, Sam Po


B.A. (Boston College), M.A. (Boston University), Ph.D. (Boston University)


Division of Speech and Hearing Sciences

Tel: (852) 2241 5981

Location: Room 804B, Meng Wah Complex

Areas of Expertise:

Chinese Aphasiology; Chinese Language Processing.

Areas of Expertise

Research Interests:
Chinese language disorders include acquired dyslexia and dysgraphia, lexical and sentence processing deficits; Language rehabilitation of individuals with aphasia

  • Erasmus Mundus Visiting Scholar, Joint European Masters Programme in Clinical Linguistics, Potsdam, Germany, 2007.

Principal Investigator of subcontract agreement and co-investigator of a grant funded by the National Institutes of Health (NIH) entitled “Toward a multi-modal and multi-level analysis of Chinese aphasic discourse” (PI: Dr. Anthony Kong, University of Central Florida; Agency contract number: 1 RO1 RDC010398, Project/Dept number at UCF: 18706003, HKU account number: 21009173.14304.10010.420.01, July 2010 – May 2015, USD$414,079 (HK site))

Principal Investigator of a University Teaching Development Grant entitled “Transforming problem-based-learning and clinical education curricula through the Moodle Learning Management System (LMS) platform” (2014-16, $312,640)

Principal Investigator of a Small Project Fund entitled “Neural correlates and cognitive capability associated with individual variations on tone perception and production in Cantonese – An event-related potential (ERP) study” (104002751.014304.10010.323.01, April 2014-March 2016, HKD$71,650)

Co-investigator of a project entitled “The Hong Kong stroke consortium” funded by the Strategic Research Theme on Neuroscience (PI: Dr. Gary Lau, Department of Medicine, Li Ka Shing Faculty of Medicine; July 2014-June 2017)

Principal Investigator of a GRF grant entitled “The role of similarities between L1 and L2 with respect to written word form and orthography-phonology correspondence in L2 visual word processing” (2015-16, $630,714) (Co-I: Dr. Y.-N. Yum)

Co-investigator of a GRF grant entitled “Capturing the heterogeneity of developmental dyslexia in Chinese through behavioural profiles and event-related potentials (ERP) measures” (2015-16, $1,102,748) (PI: Dr. I-Fan Su; Co-I: Dr. D. Lau)

Principal Investigator of a Seed Grant for International and Cross-Border Collaborative Research Funds entitled “Toward a Multi-Modal and Multi-Level Analysis of Chinese-English Bilingual Aphasic Discourse” (August 2016 – March 2018, $29,881) (Co-I: Dr. Anthony P.H. Kong)


Leung, M.-T., Law, S.-P.*, Fung, R., Lui, H.-M., & Weekes, B. S. (2012). A model of writing Chinese characters: Data from acquired dysgraphia and writing development. In E. Grigorenko, E. Mambrino, and D. Preiss (Eds.), Writing: A mosaic of new perspectives (pp. 357-370). Hove, UK: Psychology Press.

Fung, R., Kung, C., Law, S.-P.*, Su, I.-F., & Wong, C. (2012). Near-merger in Hong Kong Cantonese tones: A behavioural and ERP study. Proceedings of the Third International Symposium on Tonal Aspects of Languages, Nanjing, China.

Yu, X., Bi, Y., Han, Z., Zhu, C., & Law, S.-P.* (2012). Neural correlates of comprehension and production of nouns and verbs in Chinese. Brain and Language, 122, 126-131.

Su, I.-F., Mak, S.-C. C, Cheung, L.-Y. M., & Law, S.-P. (2012). Taking a radical position: Evidence for position specific radical representations in Chinese character recognition using masked priming ERP. Frontiers in Psychology, Language Sciences, 3, article 333. doi: 10.3389/fpsyg.2012.00333

Su, I.-F., Yeung, S.-T., Weekes, B. S., & Law, S.-P. (2012). Locus of orthographic facilitation effect in spoken word production: Evidence from Cantonese Chinese. Proceedings of the 8th International Symposium on Chinese Spoken Language Processing (ISCSLP-2012), 440-444. doi: 10.1109/ISCSLP.2012.6423470

Law, S.-P.*, Fung, R., & Kung, C. (2013). An ERP study of good production vis-à-vis poor perception of tones in Cantonese: Implications for top-down speech processing. PLoS ONE, 8(1): e54396. doi:10.1371/journal.pone.0054396

Ng, L. M.-W., Bridges, S., Law, S.-P., & Whitehill, T. (2014). Designing, Implementing and Evaluating an Online Problem-Based Learning (PBL) Environment - A Pilot Study. Clinical Linguistics and Phonetics, 28, 117-130. doi: 10.3109/02699206.2013.807879

Yu, X., Bi, Y., Han, Z., & Law, S.-P.* (2013). An fMRI study of grammatical morpheme processing associated with nouns and verbs in Chinese. PLoS One, 8(10): e74952. doi:10.1371/journal.pone.0074952

Yum, Y.-N., Law, S.-P.*, Su, I.-F., Lau, D., & Mo, J. (2014). An ERP study of effects of regularity and consistency in delayed naming and lexicality judgment in a logographic writing system. Frontiers in Psychology, Language Sciences, 5, article 315. doi: 10.3389/fpsyg.2014.00315

Ou, J., Law, S.-P., Fung, R., & Ho, S. (2014). The role of individual differences in cognitive ability in tone processing in Cantonese: Preliminary findings. Proceedings of the 4th International Symposium of Tonal Aspects of Languages.

Kong, A. P.-H., Law, S.-P., Kwan, C. C.-Y., Lai, C., & Lam, V. (2015). Database of speech and gesture (DOSAGE): A database of forms and functions of gesture use during verbal communication. Journal of Nonverbal Behavior, 39, 93-111. doi:10.1007/s10919-014-0200-6

Law, S.-P.*, Kong, A. P.-H., Lai, L. W.-S., & Lai, C. (2015). Effects of context and word class on lexical retrieval in Chinese speakers with anomic aphasia. Aphasiology, 29, 81-100. doi: 10.1080/02687038.2014.951598

Ou, J., Law, S.-P.*, & Fung, R. (2015). Relationship between individual differences in speech processing and cognitive functions. Psychonomic Bulletin & Review, 22, 1725-1732. doi: 10.3758/s13423-015-0839-y

Kong, A. P.-H., Law, S.-P., Wat, W. K.-C., & Lai, C. (2015). Co-verbal gestures among speakers with aphasia: Influence of aphasia severity, linguistic and semantic skills, and hemiplegia on gesture employment in oral discourse. Journal of Communication Disorders, 56, 88-102.

Yum, Y. N., Su, I.-F., & Law, S.-P. (2015). Early effects of radical position legality in Chinese: An ERP study. Scientific Studies of Reading, 19, 456-467, DOI: 10.1080/10888438.2015.1081204

Yum Y. N., Law, S.-P.*, Mo, K. N., Lau, D., Su, I.-F., & Shum, S.K.M. (2016). Electrophysiological evidence of sublexical phonological access in character processing by L2 Chinese learners of L1 alphabetic scripts. Cognitive, Affective, and Behavioral Neuroscience,16, 339-352. DOI 10.3758/s13415-015-0394-z

Ou, J. & Law, S.-P.* (Published online in June 2016). Individual differences in processing pitch contour and rise time in adults: A behavioral and electrophysiological study of Cantonese tone merging. Journal of Acoustical Society of America, 139(6).

Lai, C. C.-T., Law, S.-P., & Kong, A. P.-H. (Accepted). A quantitative study of right dislocation in Cantonese spoken discourse. Language and Speech.

Law, S.-P.*, & Su, I.-F. (accepted, 2015; expected to be published in November 2016). Acquired dyslexia and dysgraphia in Chinese. In R. Sybesma, W. Behr, Z. Handel, C.-T. J. Huang, & J. Myers (Eds.), Encyclopedia of Chinese Language and Linguistics. Leiden, Netherlands: Brill Publishers.

Su, I.-F., & Law, S.-P.* (accepted, 2015; expected to be published in November 2016). Neural correlates of character recognition and phonological access. In R. Sybesma, W. Behr, Z. Handel, C.-T. J. Huang, & J. Myers (Eds.), Encyclopedia of Chinese Language and Linguistics. Leiden, Netherlands: Brill Publishers.

Professional Community Services
Professional Societies
  1. 09/2000 - present: member, Academy of Aphasia
  2. 04/2009 - present: member, Cognitive Neuroscience Society
  3. 01/2009 - present: member, Psychonomic Society
  4. member, [Unspecified]


Knowledge Exchange Activities
  1. 2010-12-02 to 2011-06-30: 2010/11 KE Impact Project Funding: KE-IP-2010/11-7: Understanding and communicating with brain-damaged individuals with language impairment (HK$64,188), KE Project Grant


Invited Lectures & Keynote Speeches
  1. 2014-10-01: Anomalous neural correlates of character recognition in Chinese developmental dyslexia - preliminary findingsThe Third Hong Kong Speech and Hearing Symposium, The Chinese University of Hong Kong
  2. 2014-05-01: Acquired and developmental dyslexia in non-alphabetic scripts: the Chinese caseBIT’s 5th Annual World Congress of Neurotalk-2014.
  3. 2012-10-01: Can sluggish shifting of attention lead to reading difficulties in Chinese?Hong Kong Speech & Hearing Symposium, The Chinese University of Hong Kong
  4. 2012-05-01: Are radicals in Chinese characters position general or position specific?Psychology Departmental Seminar, Department of Psychology, The University of Hong Kong
  5. 2012-01-01: Are dyslexic brains wired differently? Cognitive deficits related to reading Chinese in developmental dyslexiathe Global Conference on Disorders in Auditory Processing, Literacy, Language and Related Sciences, The Hong Kong Institute of Education, Hong Kong
  6. 2011-05-01: Cognitive Deficits in Character Recognition in Chinese Developmental Dyslexia: Data from Event-related Potentials and Time Frequency Analysis.Forum on Strategic Research Themes in Community: Communication Disorders, University of Hong Kong
  7. 2010-12-01: Using EEG-based single case study to understand language disorders.Brown Bag Seminar – Division of Speech and Hearing Sciences, University of Hong Kong
  8. 2010-08-01: Orthographic representation of Chinese characters: data from acquired dyslexia and writing development11th Science of Aphasia Conference, Potsdam, Germany
  9. 2010-08-01: The Locus of Orthographic Facilitation Effect in Spoken Word Production: Evidence from Cantonese ChineseLanguage Engineering Laboratory Seminars, Chinese University of Hong Kong
  10. 2009-11-01: Semantic Radical Processing in Chinese Character Identification: Evidence from ERP studies. (Invited Talk)Language Engineering Laboratory Seminars at the Chinese University of Hong Kong, Hong Kong
  11. 2008-07-01: Age-of-acquisition effects on naming characters in two Cantonese dyslexic individualsXXIX International Congress of Psychology, Berlin, Germany
  12. 2006-04-01: Reading real and pseudo-characters with free-standing and non-free-standing phonetic radicals by Cantonese dyslexic individualsInstitute of Cognitive Neuroscience and Learning, Beijing Normal University and Tian'tan Hospital
  13. 2006-02-01: Treatment for naming disorders in Cantonese aphasic individuals with different underlying impairments.4th World Congress for NeuroRehabilitation, Hong Kong
  14. 2004-08-01: Lexically-mediated direct reading route in Chinese: Evidence from surface dyslexic patientsXXVIII Congress of Psychology, Beijing, China


  1. 2011: Journal editor, The Open Journal of Modern Linguistics
  2. 2009: Member of the Editorial Board, The Open Applied Linguistics Journal
  3. 2008: Language disorders in speakers of Chinese


Community Service
  1. 2015-11-01 to 2018-11-01: Member, Membership Committee
  2. 2015-02-01 to 2017-02-01: Member, Standing Review Board, Humanities and Social Sciences Panel, Research Grant Council of Hong Kong
  3. 2011-11-01 to 2015-11-01: Member, Nomination Committee, Academy of Aphasia


Teaching List, Current
  1. 2017-18 Semester 2, SHSC2035, 2A, Cognition and Language Processing
  2. 2016-17 Semester 2, SHSC2035, 2A, Cognition and Language Processing
  3. 2016-17 Semester 2, SHSM6020, 2A, Research issues and methodology in language
  4. 2016-17 Semester 1, SHSC4032, 1A, Aphasia
  5. 2015-16 Semester 2, SHSC4022, 2A, Adult Communication Disorders II
  6. 2015-16 Semester 2, SHSM6020, 2A, Research issues and methodology in language
  7. 2015-16 Semester 1, SHSC1021, 1A, Foundations of Speech and Language Pathology
  8. 2014 S2, SHSC3013, 2A, Adult Communication Disorders II
  9. 2014 S1, SHSC1021, 1A, Foundations of Speech and Language Pathology
  10. 2013 S2, SHSM6020, 2A, Research Issues and Methodology in Language
  11. 2013 S1, SHSC1021, 1A, Foundations of Speech and Language Pathology
  12. 2013 S1, SHSC3012, 1A, Adult Communication Disorders I


Supervision of Research Postgraduate Students
  1. , Aphasiology
  2. , A Cantonese Linguistic Communication Measure for Evaluating Aphasic Narrative Production, Cantonese Aphasiology
  3. , A quantitative study of information structure and right dislocation in Cantonese spoken discourse, Cantonese Pragmatics
  4. , Are Executive Functions Predictive of Aphasia Treatment Outcomes? Data from an Ortho-phonological Therapy for Anomia in Chinese, Chinese Apnasiology
  5. , Neural Representations of Chinese Noun and Verb Processing at the Semantic, Lexical Form, and Morpho-syntactic Levels, Language Processing in Chinese
  6. , Relationships among Individual Differences in Speech Perception, Speech Production, and Cognitive Functions: A Case Study of Cantonese Tone Merger, Linguistics
  7. , The Production and Perception of English Lexical Stress by Hong Kong Cantonese Learners of English, Speech and Hearing Sciences
  8. , The Role of Integrity of Semantic Knowledge and Semantic Short-term Memory in Verbal Recall: Evidence from Cantonese Aphasic Individuals, Language-specific Effects on Short-term Memory of Chinese Normal Speakers and Aphasic Individuals
  9. , The processing units of writing Chinese characters: A developmental perspective, Study on Literacy Development : The Role of Logographeme in Writing Chinese


HKU Committee Appointments
  1. 2016-09-01 to 2018-04-30: Board for Professional Doctorates, An Associate or Assistant Dean of the Graduate School
  2. 2016-08-01 to 2018-04-30: Board of Graduate Studies, Up to two Associate Deans of the Graduate School
  3. 2016-08-01 to 2018-04-30: Postgraduate Education, Policy Board of, Dean and Associate Deans of Graduate School
  4. 2015-03-01 to Present: Faculty of Education, Board of the, The teachers who are members of the Faculty and who are full-time employees of the University
  5. 2006-03-01 to 2015-02-28: Faculty of Education, Board of the, The teachers who are members of the Faculty and who are full-time employees of the University
  6. 2005-09-01 to 2006-02-28: Faculty of Education, Board of the, Lecturers in Faculty
  7. 2004-09-01 to 2005-08-31: Faculty of Education, Board of the, Lecturers in Faculty
  8. 2004-07-01 to 2006-06-30: Discontinuation, Committee on, 1 member from each Faculty (Education) from a panel of three in order of precedence for a period of 2 years, renewable up to a maximum of 4 consecutive years, Education Faculty Board
  9. 2001-09-01 to 2004-08-31: Faculty of Education, Board of the, Lecturers in Faculty
  10. 1998-09-01 to 2001-08-31: Faculty of Education, Board of the, Lecturers in Faculty


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