Department of
Basic Sciences

Faculty of Dental Sciences

Faculty of Dental Sciences

University of Peradeniya

Prof. Sajjiv Ariyasinghe

Professor in Physiology



Official Address :

Department of Basic Science,
Faculty of Dental Sciences,
University of Peradeniya,
Peradeniya,
Sri Lanka


Email :

sajjivn@pdn.ac.lk


Telephone :

+94-071 8095188


Personal Website :






Professor in Physiology

  • O Education (UK)
  • Presidential Award for Scientific Research
  • Presidential Award for Research for article Presidential Research award for the paper titled “Changes in reflex responses of the genioglossus muscle during sleep in rabbits” in Brain Res. 2005 Dec 14;1065(1-2):79-85.
  • Presidential Award for Research for the article “Effects of chewing and swallowing behavior on jaw opening reflex responses in freely feeding rabbits” in NeurosciLett. 2013 Feb 22;535:73-7
  • Presidential Award for Research for the article “Association of learning approaches with academic performance of Sri Lankan first-year dental students.” in Teach Learn Med. 2013;25(4):334-41
  • Presidential Award for Research for the article “Predictors of academic performance of first year dental undergraduates in Sri Lanka: a re-evaluation following curriculum changes.” in Eur J Dent Educ. 2013 Feb;17(1):57-62
  • National Research Council Merit Award for the article “Differential involvement of two cortical masticatory areas in modulation of the swallowing reflex in rats” in NeurosciLett. 2012 Oct 24;528(2):159-64’
  • Awarded a post-doctoral research position in 2011 by Niigata University, Japan
  • Head Department of Basic Sciences since February 2016
  • International Coordinator of the Niigata-Peradeniya Sister Link Program
  • Visiting Lecturer-School of Health Sciences, Niigata University, Japan
  • Visiting Lecturer-Faculty of Allied Health Sciences, University of Peradeniya, Peradeniya
  • Visiting Lecturer-Career Guidance Unit, University of Peradeniya, Peradeniya
  • Examiner- Faculty of Allied Health Sciences, University of Peradeniya, Peradeniya
  • Examiner- MD selection examinations (Dental Surgery, Orthodontics, Restorative Dentistry) Postgraduate Institute of Medicine, University of Colombo
  • Neuro Physiology of Mastication
  • Salivary gland function
  • Education
  • Ariyasinghe S, Inoue M, Yamamura K, Harasawa Y, Kurose M, Yamada Y. Coordination of jaw and extrinsic tongue muscle activity during rhythmic jaw movements in anesthetized rabbits.Brain Res. 2004 Aug 6;1016(2):201-16.
  • Ariyasinghe S, Pallegama R. Predictors of academic performance of first year dental undergraduates in Sri Lanka: a re-evaluation following curriculum changes.Eur J Dent Educ. 2013 Feb;17(1):57-62.
  • Inoue M, Ariyasinghe S, Yamamura K, Harasawa Y, Yamada Y. Extrinsic tongue and suprahyoid muscle activities during mastication in freely feeding rabbits.Brain Res. 2004 Sep 24;1021(2):173-82.
  • Harasawa Y, Inoue M, Ariyasinghe S, Yamamura K, Yamada Y. Changes in reflex responses of the genioglossus muscle during sleep in rabbits. Brain Res. 2005 Dec 14;1065(1-2):79-85.
  • Tsujimura T, Tsuji K, Ariyasinghe S, Fukuhara T, Yamada A, Hayashi H, Nakamura Y, Iwata K, Inoue M. Differential involvement of two cortical masticatory areas in modulation of the swallowing reflex in rats.NeurosciLett. 2012 Oct 24;528(2):159-64.
  • Inoue M, Harasawa Y, Yamamura K, Ariyasinghe S, Yamada Y. Effects of food consistency on the pattern of extrinsic tongue muscle activities during mastication in freely moving rabbits.NeurosciLett. 2004 Sep 23;368(2):192-6.
  • Yamada A, Kajii Y, Sakai S, Tsujimura T, Nakamura Y, Ariyasinghe S, Magara J, Inoue M. Effects of chewing and swallowing behavior on jaw opening reflex responses in freely feeding rabbits.NeurosciLett. 2013 Feb 22;535:737.
  • Jayawardena CK, Hewapathirana TN, Banneheka S, Ariyasinghe S, Ihalagedara D. Association of learning approaches with academic performance of Sri Lankan first-year dental students. Teach Learn Med. 2013;25(4):334-41.
  • Aeba H, Yamamura K, Inoue M, Hanada K, Ariyasinghe S, Yamada Y. Effects of the inferior alveolar nerve stimulation on tongue muscle activity during mastication in freely behaving rabbits. Brain Res. 2002 Nov 22;956(1):149-55.
  • Pallegama R, Ariyasinghe S, Perera E, Treede R.Influence of Catastrophizing and Personality Traits on Recalled Ratings of Acute Pain Experience in Healthy Young Adults.Pain Medicine2016Jun