Dr. Deepa N Devadiga

Associate Professor

Department of Speech and Hearing


    Dr. Deepa N Devadiga is Associate Professor in Department of Speech and Hearing at SOAHS, Manipal.


    • Is involved in Teaching: Undergraduate and Postgraduate
    • Does clinical supervision & patient care
    • Guides students for Conferences / Paper presentations / Dissertation



Subject Subject code Semester
Voice and Fluency Disorders SH 105 I MASLP
Neurogenic Language Disorders in Adults B 6.1 III BASLP, 6th Semester
Voice and Laryngectomy B 4.1 II BASLP, 4th Semester


Degree Specialisation Institute Year of passing
Ph D Speech and Hearing School of Allied Health Sciences, Manipal Academy of Higher Education 2015
MSc Speech and Hearing School of Allied Health Sciences, Manipal Academy of Higher Education 2009
BSc Speech and Hearing School of Allied Health Sciences, Manipal Academy of Higher Education 2003


Institution / Organisation Designation Role Tenure
Dept. of Speech & Hearing, School of Allied Health Sciences, Manipal Academy of Higher Education, Manipal Associate Professor 2015 - Till date
Dept. of Speech & Hearing, School of Allied Health Sciences, Manipal Academy of Higher Education, Manipal Assistant Professor -Senior Scale 2012-2015
Dept. of Speech & Hearing, School of Allied Health Sciences, Manipal Academy of Higher Education, Manipal Assistant Professor 2010-2012
Dept. of Speech & Hearing, School of Allied Health Sciences, Manipal Academy of Higher Education, Manipal Lecturer 2009-2010
Dept. of Speech & Hearing, School of Allied Health Sciences, Manipal Academy of Higher Education, Manipal Assistant Lecturer 2005-2007


Area of Interest

Voice and Dysphagia

Area of Expertise

Voice and its Dysphagia

Area of Research

Voice and Dysphagia

Professional Affiliations & Contributions

  • Life member of Rehabilitation Council of India (RCI)
  • Life member of Indian Speech & Hearing Association (ISHA)
  • Life member of Indian Speech and Hearing AssociationDakshina Kannada

Oral diadokokinetic rate- An insight into speech motor control

2012-01-01 Jayashree S Bhat Deepa N

ABSTRACT: Speech motor disruptions are common with aging. The rate of oral diadochokinesis (DDK) is considered for determining the severity of speech motor control impairments. The aim of this study was to investigate changes in motor control in geriatrics in comparison with younger adults with Diadokokinesis as a speech parameter. Significant difference was observed between the geriatrics compared to the younger groups indicating poor performance of geriatrics on diadochokinetic rate in comparison to normal adults. The present investigation has provided evidence for analysing the error patterns in the syllable repetitions using DDK rate which is a simple yet quantitative measure. International Journal of Advanced Speech and Hearing Research, 2012, Vol 1, Pg 10-14.

An investigation into bilingual cognitive processing

2011-01-01 Jayashree S Bha Deepa N

International Proceedings of Economics Development and Research, 2011, Vol 26, Pg 6-9

Speed of processing in adults comparison across grammatical category

2011-01-01 Jayashree S Bhat Livigston Sengolraj

Language in India, 2011, Vol 11, August Issue.

Prevalence of communication disorders in a multidisciplinary teaching hospital

2009-01-01 Jayashree S Bhat Deepa N

Journal of Thai Rehabilitation Medicine, 2009, Vol 19, Pg 28-29.

Epidemiology of Communication Disorders and Its Role in Rehabilitation.

2014-01-01 Deepa N Varghese, A. L. Bhat, J.

ABSTRACT: Background: The prevalence of communication disorders has not received required attention in the literature especially in India. Objective: To determine the prevalence of communication disorders in a multidisciplinary teaching hospital, among speech and language and hearing disorders. Setting and Study Design: A retrospective study conducted at Kasturba Medical College, Mangalore. Materials and Methods: The data was retrieved from the records documented in the Hospital records over one year duration. The disorders were broadly categorized in terms of speech, language and hearing disorders across pediatric (0- 12 years), adult (12-50 years) and geriatric (Above 50 years) age groups. Results: The prevalence was more for auditory disorders (62%) followed by language disorders (24%) and then speech disorders (14%). The disorders were more prevalent in males as compared to females for the disorders under study across all the age groups. Conclusion: Prevalence estimation is essential in the prevention or intervention strategies particularly so for the communication disorders which often go unnoticed yet have major impact on every facet of life. Key Messages: There is a need for large-scale population based prevalence studies on communication disorders in India. They often go unnoticed or does not get prioritized owing to lack of identifiable signs.This study will carry implications for current and future needs in early identification, prevention and intervention programs for these disorders. International Journal of Innovative Research and Development, 3(13).

Peak Flow Measure: An Index of Respiratory Function?

2015-01-01 Deepa N Varghese, A. L. Bhat, J. Baliga, P. Pahwa, J.

ABSTRACT: Aerodynamic analysis is interpreted as a reflection of the valving activity of the larynx. It involves measuring changes in air volume, flow and pressure which indicate respiratory function. These measures help in determining the important aspects of lung function. Peak expiratory flow rate is a widely used respiratory measure and is an effective measure of effort dependent airflow. Aim: The aim of the current study was to study the peak flow as an aerodynamic measure in healthy normal individuals Method: The study group was divided into two groups with n= 60(30 males and 30 females) in the age range of 18-22 years. The peak flow was measured using Aerophone II (Voice Function Analyser). The anthropometric measurements such as height, weight and Body Mass Index was calculated for all the participants. Results: The peak airflow was higher in females as compared to that of males. It was also observed that the peak air flow rate was correlating well with height and weight in males. Conclusions: Speech language pathologist should consider peak expiratory airflow, a short sharp exhalation rate as a part of routine aerodynamic evaluation which is easier as compared to the otherwise commonly used measure, the vital capacity. International Journal of Health Sciences and Research (IJHSR), 5(2), 240-245.

Self-efficacy and Verbal Fluency--Does Age Play a Role?

2014-01-01 Bajaj, G. Deepa N Bhat, J. S. D'souza, D. Sheth, P.

ABSTRACT: Self-efficacy refers to the beliefs that one possesses about his/her ability to achieve specific targets in a certain context. It is one of the important aspects of metacognitive processes. There are emerging evidences that most of the cognitive processes decline with age but the kind of trajectory metacognitive ability, like self-efficacy, follows as a function of age is yet researchable. The present study aimed at assessing how self-efficacy related to one’s ability on the cognitive process of verbal fluency changes with age. For this purpose, three groups with 12 participants in each group ie the young adults, middle-aged adults, and old-aged adults were subjected to letter fluency (LF)-flexibility and category fluency (CF)-flexibility tasks. In addition to perform- ing the tasks, the participants of all groups did a pre-task prediction and a post-task judgment of their respective performances. The differences between predictions, judgments, and actual performances of all subjects were subjected to repeated measure ANOVA and post hoc paired T-test for each group. The results obtained revealed that the verbal fluency performance declined with the age. However, the self-efficacy for verbal fluency, measured by predictions and judgments, revealed that as the individuals grow old, they seem to become more aware of their limited performances. These results open the scope of studying metacognitive processes like self-efficacy on larger samples and variety of cognitive processes that may be significant for cognitive communicative assessment and intervention. Healthy Aging & Clinical Care in the Elderly, 6, 17.

Aerodynamic Measures in Wind Instrument Players.

2014-01-01 Deepa N Bhat, J. S.

ABSTRACT: Aerodynamic Measures in Wind Instrument Players Introduction: Singing and musical performances are one of the basic human social activities. Although singing is older, wind instruments appeared at least 20,000 years ago1. Training in voluntary breath control is essential in playing wind instruments. An important aspect in professional training is the management of “breath support”. Wind instrument players require larger lung volumes for effective playing. There is very little understanding of aerodynamic measures of voice in wind instrument players used by the Indian population. Method: The clinical group consisted of ten adult male saxophone players in the age range of 18 to 40 years. The control group consisted of ten age matched adult males. The aerodynamic measures peak flow, vital capacity and phonation quotient was measured. Results: The results revealed significant differences for the aerodynamic measures between the wind instrument players and non-wind instrument participants. Paripex-Indian Journal of Research, 3(12), 95-97.

Videokymography- A new approach to portray vocal fold function

2012-01-01 Ketaki

2012 - 2014 II MASLP.

Role of relative perturbation measures in evaluation of voice

2011-01-01 Jyothi Deepa N

2011- 2015 III BASLP .

Peak flow measure - an index of respiratory function

2011-01-01 Preethi Baliga Deepa N

2011 - 2015 III BASLP.

Aerodynamic and Acoustic measures in wind instrument players

2011-01-01 Anitha V Deepa N

2011 - 2013 II MASLP .

A study of lexical retrieval in simultaneous and sequential bilinguals

2009-01-01 Kuryakose Joseph Deepa N

2009 - 2011 II MASLP.

Analysis of hyperfunctional voice disorders using videokymography

2016-01-06 Pratiksha Deepa N

Acoustic Analysis of Infant cry

2016-01-06 Remya Deepa N

Comprehensive bedside screening tool for adult language disorders,

2015-02-06 Pashyanthi Deepa N

An insight into the feeding pattern in typically developing infants between 0-6 months

2015-02-06 Sharon Deepa N