Allen KD, Bernstein B, Chait DH55 Pontes PAL, Vieira VP, Gonçalves MIR, Pontes AAL. Características das vozes roucas, ásperas e normais: análise acústica espectrográfica comparativa. Rev Bras Otorrinolaringol. 2002;68:182-8.
|
1991 |
Reduction in laryngeal muscle tension |
1 (8 years) |
Ipsilateral and vertically, in parallel alignment on the thyroid membrane with earth-electrode placed on the wrist |
Social validity of reduced tension in laryngeal muscles and vocal nodules, with previous surgical indication |
Watson TS, Allen SJ, Allen KD1414 George R, Chung TD, Vedam SS, Ramakrishnan V, Mohan R, Weiss E, et al. Audio-visual biofeedback for respiratory-gated radiotherapy: impact of audio instruction and audio-visual biofeedback on respiratory-gated radiotherapy. Int J Radiat Oncol Biol Phys. 2006;65:924-33.
|
1993 |
Reduction in muscle tension in vestibular fold dysphonia |
1 (26 years) |
Ipsilateral and vertically, in parallel alignment along the major axis of the thyroid membrane with earth-electrode placed on the wrist |
Disappearance of symptoms and persistence of results in the evaluation, after 6 months |
Ruscello1111 Allen KD. EMG biofeedback treatment of dysphonias and related voice disorders. J Speech Lang Pathol Appl Behav Anal. 2007;2:149-57.
|
1999 |
Reduction in phonological errors of acquisition and automation |
4 (9, 10, 14, 29 years) |
Biofeedback with nasal airflow control Biofeedback self-administered under supervision, having as a standard the correct pronunciation by an instructor Biofeedback self-administered under supervision, with recording of the patient's pronunciation, in usual and correct speech articulation |
Social validity of articulatory relearning and reduced laryngeal muscle tension |
Warnes E, Allen KD1919 Schneider-Stickler B, Knell C, Aichstill B, Jocher W. Biofeedback on voice use in call center agents in order to prevent occupational voice disorders. J Voice. 2012;26:51-62.
|
2005 |
Reduction in paradoxical vocal fold mobility and respiratory distress |
1 (16 years) |
Ipsilateral and vertically, in parallel alignment along the major axis of the thyroid membrane, using the thyroid cartilage as additional anatomical marker |
Social validity of reduced laryngeal muscle tension, reduced chest pain and crippling respiratory distress, and persistence of results in the evaluation after 6 months |
Yiu EM-L, Verdolini K, Chow LPY99 Merletti R, Botter A, Troiano A, Merlo E, Minetto MA. Technology and instrumentation for detection and conditioning of the surface electromyographic signal: state of the art. Clin Biomech. 2009;24:122-34.
|
2005 |
Learning of vocal production with laryngeal relaxation Definition of the best conduct in biofeedback (concurrent or terminal) |
5 (21-27 years) |
Electrodes positioned symmetrically to the midline at four positions: (a) 1 cm from the lip commissure, (b) 0.5 cm from the midline of the chin, (c) 1 cm from the mandibular midline, (d) 0.5 cm from the midline, on the thyroid membrane, and (e) an earth-electrode firmly fixed on the wrist |
Absence of biofeedback contribution for vocal learning with relaxation of laryngeal muscles, but presence of orofacial relaxation, attributed to the possible difficulty of normal individuals to reduce laryngeal muscle tension |
Kirkpatrick A, McLester JR1515 Henschen TL, Burton NG. Treatment of spastic dysphonia by EMG biofeedback. Biofeedback Self Regul. 1978;3:91-6.
|
2012 |
Learning of relaxation of the laryngeal depressor muscles for improved voice quality of singers |
22 (>21 years) |
Bilaterally and before the thyroid cartilage, just above the laryngeal protuberance |
Biofeedback helps in activating the depressor muscles of the larynx, increasing the amplitude and tonal quality |
Niziolek CA, Guenther FH22 Niziolek CA, Guenther FH. Vowel category boundaries enhance cortical and behavioral responses to speech feedback alterations. J Neurosci. 2013;17:12090-8.
|
2013 |
Effect of the vocal boundaries in compensatory responses to auditory disturbances in real time |
36 (19-33 years) |
Visual biofeedback with functional magnetic resonance imaging while hearing the recording of the own normal phonation and with discrete or marked change of a vowel |
The acoustic correction of speech errors activates brain areas and may be enhanced by biofeedback |