Mission

The Laryngeal Imaging Research Laboratory (LIRL) resides within the Department of Communication Sciences and Disorders (COMD) at Louisiana State University- in Baton Rouge, Louisiana. Our research mission is to further the assessment and treatment techniques of voice and swallowing disorders in clinical practice. To achieve our mission, we have formed a multidisciplinary research team consist of experts within and outside the discipline of Communication Sciences and Disorders. Our research team includes local and international collaborators, including researchers at

LIRL members focus their research on the developing clinician and/or patient friendly analyses and therapeutic tools in order to aid the assessments and treatment of voice and swallowing disorders. The LIRL houses a clinically available state-of-art laryngeal imaging technology, the high-speed videoendoscopy (HSV) which has tremendous potential to enhance the assessment of true vocal-fold vibratory function in voice health and disease processes. The HSV allows objective quantification of current endoscopic voice parameters and may allow the development of new ones to further the study of vocal function. In addition, the LIRL team developed the clinical biofeedback tool called “Volume Monitor Device” to aid the behavioral voice therapy techniques within the therapy sessions and outside the clinic setting.

Our main research goals are:

  • To develop assessment and treatment tools to be used in the evaluation and rehabilitation of voice and swallowing disorders.
  • Studying the effects of behavioral treatment on swallowing function following head and neck cancer treatment modalities
  • Standardization of interpretations of Modified Barium Swallowing Test
  • Developing computer-assisted objective quantitative assessment tools for high-speed digital videoendoscopy
  • To determine the effects of the Voice Volume Monitor Device on voice and communication functions of people with voice and speech disorders due to variety of causes such as benign lesions of vocal folds and Parkinson’s disease.

Currently, there is great demand for quantitative assessment tools to advance the accuracy of diagnosis and treatment of voice and swallowing disorders. In addition, development and refinement of quantitative voice and swallowing measurements are needed to objectively define the outcome of behavioral, medical and surgical interventions.  The LIRL with its multidisciplinary team members creates an exciting, motivating learning and research environment for its current and future members to address these needs.

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