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Functional magnetic resonance imaging: contemporary and future use.
Karen B Zur1, Scott K Holland, Weihong Yuan
1Department of Otolaryngology-Head & Neck Surgery, Cincinnati Children's Hospital Medical Center, 3333 Burnet Avenue, Cincinnati, OH 45229, USA.
Current Opinion in Otolaryngology & Head and Neck Surgery
|September 21, 2004
Summary
Functional magnetic resonance imaging (fMRI) advances auditory cortex research. Silent fMRI improves evaluation for cochlear implant candidates and screening young children for hearing impairment.
Area of Science:
- Neuroimaging
- Auditory Neuroscience
- Clinical Otology
Background:
- Functional magnetic resonance imaging (fMRI) is an emerging neuroimaging modality with growing research and clinical utility.
- Elucidating the auditory cortex is a key area of investigation in auditory neuroscience.
Purpose of the Study:
- To review current advancements in using fMRI to study the auditory cortex.
- To highlight the application of fMRI in evaluating auditory pathways and hearing function.
Main Methods:
- Focus on studies enhancing fMRI sensitivity for auditory cortex and subcortical pathway analysis.
- Utilizing tonal stimulation paradigms to assess auditory function.
- Investigating fMRI as a tool for preoperative cochlear implant evaluation and pediatric hearing screening.
Main Results:
- fMRI studies are improving sensitivity in mapping auditory cortex and subcortical responses to sound.
- fMRI demonstrates utility in assessing auditory cortex integrity prior to cochlear implantation.
- fMRI shows promise as a screening method for hearing impairment in young children.
Conclusions:
- Silent fMRI techniques reduce scanner noise, enabling clearer auditory cortex evaluation.
- fMRI is a safe and reproducible method for assessing hearing-impaired children.
- fMRI aids in the preoperative assessment of cochlear implant candidates.