Journal of Psychology and Psychiatry

Dr. M. Rajajeyakumar completed MD Physiology at (JIPMER- An Institution of National Importance under the Ministry of Health & Family Welfare, Govt. of India and at present working as clinical neurophysiologist , Assistant professor in Saveetha Medical College Hospital, SIMATS, Chennai, Tamilnadu, India. He is a highly accomplished Clinical Neurophysiologist and academician with over 10 years of experience in physiology, neurophysiology, lifestyle medicine, and yoga-based clinical interventions. Dr. Rajajeyakumar has been a guest speaker on Kalvi TV and has developed public awareness through his YouTube channel, focusing on research training and career counselling.

• Neurophysiology
• Cardio-respiratory Physiology
• Non-Communicable Diseases
• Autonomic Function Tests
• Pulmonary Function Tests
• physiology
• neurophysiology

1.  Clinical Neurophysiologist and academic researcher with 10+ years of teaching and research experience.

2.  Editorial Board Member for 32 international journals; Reviewer for 20 journals.

3.  International Organizing Committee & Advisory Council Member at Bentham Science Publishers.

4.  Supervisor/Guide for MD, MBBS, and Ph.D. students (NIT Trichy, Bharathidasan University, etc.).

5.  Visiting Professor at multiple institutions (NIT Trichy, Bharathidasan University, Nandha Engineering College, MDNIY Delhi).

6.  Delivered guest lectures in USA, UK, Canada, Singapore, Dubai, Sri Lanka, Thailand, and Malaysia.

7.  Organized/chaired multiple international conferences.

8.  Recipient of 20+ awards, including "Golden Physiologist of the Year 2020","Best Medical Educator and Researcher 2023," and "Exemplary Research Guide Award 2024."

1.  Manivel, R., Vickram, A.S., Sharma, N. et al. Revolutionary Approaches to Sperm Selection: Enhancing Male Fertility Through Advanced Processing Techniques. J Obstet Gynecol India (2025). https://doi.org/10.1007/s13224-025-02136-2

2.  Sivalingam, A.M., Pandian, A. & Manivel, R. Exploring Complication Risks and Innovations in Postweight Loss Recovery of Emerging Anti-obesity Medications. OBES SURG 34, 3922–3923 (2024). https://doi.org/10.1007/s11695-024-07496-8

3.  Manivel R, Sivalingam AM. Correction: New Perspectives on Sleeve Gastroplasty Trials for Patients with Autonomic and Hypothalamic Obesity. Obes Surg. 2024 Oct;34(10):3913. doi: 10.1007/s11695-024-07484-y. Erratum for: Obes Surg. 2024 Oct;34(10):3911-3912. doi: 10.1007/s11695-024-07480-2. PMID: 39207601.

4.  Yelkur P, Manivel R, Mohammed S, et al. Impact of Nadi Shuddhi Pranayama on Apnea Hypopnea Index,Respiratory Distress Index, and Oxygen Desaturation Index Among Adolescents With Sleep Apnea Syndrome.Cureus 16(7): e65848. DOI 10.7759/cureus.65848. PubMed Central, Web of Science (ESCI). IF-1.2. Published bySpringer Nature Group

5.  Azhagu Madhavan Sivalingam, Arjun Pandian, Senthilkumar Sivanesan, Maria Francis Yuvaraj, Nivetha Rajendiran, Rajajeyakumar Manivel, Ganesan Sivamani. Biochemical Characterization and green synthesis of silver nanoparticles (AgNPs) from costus spicatus for potential anti-diabetic target in streptozocin (STZ) induced diabetic Rats. J Inorg Organomet Polym (2024) https://doi.org/10.1007/s10904-024-03233-x. IF-4. SCOPUS, Science Citation Index Expanded (SCIE), Published by Springer. Electronic ISSN 1574-1451.IF-4.

6.  Yelkur P, Manivel R, Chandrasekhar V, et al. (July 13, 2024) Comparative Study of Myofascial Exercise and the Voluntary Breathing Technique on the Apnea-Hypopnea Index Among Adolescents. Cureus 16(7): e64483. DOI 10.7759/cureus.64483. indexed in PubMed Central, Web of Science (ESCI). IF-1.2. Published by Springer Nature Group

7 Poornachandran Kumaresan, Poornachandran Prabu, Arumugam Naveena, Dhandapani Divya, Muthappan Sendhilkumar and M. Rajajeyakumar. Impact of Sequential Practice of Kaphalabhati and Nadi Shodhana Pranayama on Heart Rate Variability in Healthy Volunteers. Journal of Natural Remedies. 2023 : 23 (2) : 416-21. DOI: 10.18311/jnr/2023/28476 Q4, Scopus/ web of science /EMBASE/ IF-0.5

8.  Shafali Singh, Soumitra Chakravarty, Rajajeyakumar Manivel, Examination Stress and its Correlation with Cardiovascular Parameters and Lipid Profile. International Journal of Pharmaceutical and Clinical Research 2022; 14(10); 396-404. (Embase-IF- 1.25)

9.  Karnan, Hemalatha. Sivakumaran, N &Manivel Rajajeyakumar. An Efficient Cardiac Arrhythmia Onset, Detection Technique Using a Novel Feature Rank Score Algorithm J Med Syst (2019) 43: 167. Q1, Scopus/PubMed / EMBASE/Web of science / @Springer Nature IF-4.920

10. Hemalatha Karnan, Sivakumaran Natarajan, Rajajeyakumar Manivel. Human machine interfacing technique for diagnosis of ventricular arrhythmia using supervisory machine learning algorithms. Concurrency Computat Pract Exper. 2018; 30: cpe.5001. Q2 Scopus/ EMBASE/web of science / Willy online IF- 2.175

11. Rajajeyakumar M, Pirabhu R, Chenniappan M, Niranjana D, Siva Arul Selvan S, Sushmita A, Janitha A, Arun A. Study to predict vascular dysfunctions in high risk young adults – an immediate noninvasive investigation to prevent early. vascular ageing. Journal of Clinical and Diagnostic Research2015; 9(7): CC01-CC03. Q3  Scopus/PubMed/Web of science, IF-0.357

12. Vivek Kumar S, Rajajeyakumar M, Velukumary S, Senthilkumar S, Bhavanani AB, Madanmohan, Ajit S, Dinesh T. Effect of fast and slow pranayama practice on Cognitive functions in healthy volunteers. Journal of Clinical and Diagnostic Research 2014; 8(1) 10-13 Q3 Scopus/PubMed/Web of science, IF-0.357

13. Prem B, Vishnupriya H, Rajajeyakumar M. Madanmohan T. Measuring respiratory pressures with mercury manometer in low economic health care settings – an analytical study. Journal of Clinical and Diagnostic Research 2016; 10: (1): 12-15. Q3 Scopus/PubMed/Web of science, IF-0.357

14. Dinesh T, Girwar SG, Vivek KS, Ananda Balayogi B, Rajajeyakumar M, Syam SA. Effect of Slow and Fast Pranayama Training on Handgrip Strength and Endurance in Healthy Volunteers. Journal of Clinical and Diagnostic Research. 2014; 8(5): BC01- BC03 Q3, Scopus PubMed/Web of science, IF-0.357

15. Sharma VK, Trakroo M, Subramaniam V, Rajajeyakumar M, Bavavani AB, Sahai A.Effect of fast and slow pranayam on perceived stress and cardiovascular parameters in young health-care students. Int J Yoga 2013; 6:104-10. Q3 PubMed/Web of science, IF- 1.48

16. Rajajeyakumar M, Bhattacharjee M, Amudharaj D, Madanmohan, Balachander J. Short term practice of Kapalabhati pranayam on measurement of human cognitive processing ability in healthy young volunteers. Biomedicine 2014; 34(1): 76-81. Q3, Scopus/ IF-0.13

17. Dinesh Thangavel, Rajajeyakumar Manivel, Sakila Sadasivam. Effect of 12 weeks of slow breathing exercise practice on anthropometric parameters in healthy volunteers. Natl J Physiol Pharm Pharmacol 2018;8(12); 1-5. Q3, EMBASE

18. Priyanka G, Rajajeyakumar M.Targeting selective tumours by deploying Magnano particles through nanjects: recent drug delivery. Int. J. Life Sci. Pharma Res. 2019 Oct; 9(4): (P) 111-115. Q3, Emerging Source Citation Index, Web of Science IF- 0.987

19. Nachal Annamalai, Rajajeyakumar M, Rajendran P. Small group discussion: student’s perspectives. International Journal of Applied and Basic Medical Research 2015; 5(1): 1820. PubMed/ Web of Science IF-1.714

20. Gnanavelraja C, Nalinakumari S D, Rajajeyakumar M. Anatomical variation in the drainage pattern of frontal sinus - A cadaveric study. Natl J Clin Anat 2019;8:117-20 DOAJ, SCOPUS

21. Rajajeyakumar M, Janitha A, Madanmohan, Balachander J. Effect of slow rhythmic voluntary breathing pattern on isometric handgrip among healthcare students. International Journal of Medical Research in Health Sciences 2014; 3(4): 790-796. Web of Science

22. Hemalatha Karnan, N. Sivakumaran, and M. Rajajeya kumar. 2017. Classification of ventricular arrhythmias using feature ranking score algorithm. In Proceedings of the 1st International Conference on Internet of Things and Machine Learning (IML 17). ACM, New York, NY, USA, Article 54, 7 pages. DOI: https://doi.org/10.1145/3109761.3109801. Indexed by Thomson Reuters/ Web of Science/Scopus

23. Rajajeyakumar SM, Nachal AA, Pawar GS, Gnanvelraja C, Prabu Elango PR, Janitha CA. Is There a Need for Introducing Open Book Assessment Method in FirstYear Medical Curriculum? A Preliminary Study. Medical Education 2016; 50(S2): 5-17. Q1, SCOPUS/ PubMed/ Willy online, IF- 7.647

24. Rajajeyakumar M,Madanmohan, Amudharaj D, Bandi Harikrishna, Jeyasettiseloune,Bavavani AB. Immediate Effect of Surya & Chandra Nadi Pranayam on Heart Rate Variability in Healthy Young Subjects. Indian J Physiol Pharmacol 2011; 55(5): 43-44. Q3. SCOPUS/PubMed/ Web of Science, IF-0.17

25. Rajajeyakumar M, Niranjana D, Ganavel raja C, Nachal Annamalai, Velayutharaj A, Amudharaj D, Janitha A. Quality of sleep and its Impact on Neuro Cognitive Performance among Undergraduate Medical Students. Indian J Physiol Pharmacol 2014; 58 (5): 126- 127. Q3. SCOPUS/PubMed/ Web of Science, IF-0.17

26. Aanathalakshmi B, Rajajeyakumar M, Suresh S, Rajendren P, Nachal Annamalai. A Study of the Impact of Physical Activity on Mental Health in Adolescents. Indian J Physiol Pharmacol 2014; 58 (5): 91. Q3. SCOPUS/PubMed/ Web of Science, IF-0.17

27. Rajajeyakumar M, Madanmohan, Balachander J, Bhattacharjee M. Effect of Slow and Fast Pranayam on Cardiovascular parameters in healthy young adults. Indian J Physiol Pharmacol 2008; 52 (5): 111. Q3. SCOPUS/PubMed/ Web of Science, IF-0.17

28. Rajajeyakumar M, Madanmohan, Pal GK. Effect of Pranayamas on Cardiovascular and Neurological Functions in Healthy Young Volunteers. Indian J Physiol Pharmacol 2007; 51 (5): 541. Q3. SCOPUS/PubMed/ Web of Science, IF-0.17.