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The Potential Effect of Forbrain as an Altered Auditory Feedback Device
Carles Escera1,2,3, Fran López-Caballero1,2, Natàlia Gorina-Careta1,2,3
1Brainlab-Cognitive Neuroscience Research Group, Department of Clinical Psychology and Psychobiology, University of Barcelona, Catalonia, Spain.
Journal of Speech, Language, and Hearing Research : JSLHR
|March 20, 2018
Summary
The Forbrain® device effectively modifies user speech by altering auditory feedback. This study suggests its potential as a clinical tool for speech therapy, warranting further investigation in patient groups.
Area of Science:
- Speech Science
- Auditory Feedback Research
- Voice Quality Analysis
Background:
- Altered auditory feedback (AAF) devices are used to modify speech.
- The Forbrain® device is a commercially available headset designed to influence speech production.
Purpose of the Study:
- To conduct a proof of concept for the Forbrain® device.
- To determine if Forbrain® can modulate user speech patterns.
Main Methods:
- Participants read aloud during baseline, test, and posttest phases.
- The Forbrain® device was active for the Forbrain group and inactive for the control group during the test phase.
- Quantitative voice quality measures were analyzed from recordings.
Main Results:
- A significant interaction between group and phase was found for smoothed cepstral peak prominence (voice harmony).
- The trendline of the long-term average spectrum (voice robustness) also showed a significant interaction, surviving Bonferroni correction.
- These results indicate Forbrain®'s effectiveness in altering speech characteristics.
Conclusions:
- The Forbrain® device demonstrates effectiveness in modifying user speech.
- Forbrain® likely functions as an altered auditory feedback device.
- Potential applications include speech therapy, with further research needed for clinical efficacy in specific groups.
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