| 1. |
- Aronsson, Carina, et al.
(författare)
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Loud voice during environmental noise exposure in patients with vocal nodules
- 2007
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Ingår i: Logopedics, Phoniatrics, Vocology. - : Informa UK Limited. - 1401-5439 .- 1651-2022. ; 32:2, s. 60-70
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Tidskriftsartikel (refereegranskat)abstract
- The aim was to investigate how female patients with vocal nodules use their voices when trying to make themselves heard over background noise. Ten patients with bilateral vocal fold nodules and 23 female controls were recorded reading a text in four conditions, one without noise and three with noise from cafes/pubs, played over loudspeakers at 69, 77 and 85 dBA. The noise was separated from the voice signal using a high-resolution channel estimation technique. Both patients and controls increased voice sound pressure level (SPL), fundamental frequency (F0), subglottal pressure (Ps) and their subjective ratings of strain significantly as a main effect of the increased background noise. The patients used significantly higher Ps in all four conditions. Despite this they did not differ significantly from the controls in voice SPL, F0 or perceived strain. It was concluded that speaking in background noise is a risk factor for vocal loading. Vocal loading tests in clinical settings are important and further development of assessment methods is needed.
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| 2. |
- Gustafsson, Joakim Körner, et al.
(författare)
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Voice use in daily life studied with a portable voice accumulator in individuals with Parkinson’s disease and matched healthy controls
- 2019
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Ingår i: Journal of Speech, Language and Hearing Research. - 1092-4388 .- 1558-9102. ; 62:12, s. 4324-4334
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Tidskriftsartikel (refereegranskat)abstract
- Purpose: The purpose of this work was to study how voice use in daily life is impacted by Parkinson’s disease (PD), specifically if there is a difference in voice sound level and phonation ratio during everyday activities for individuals with PD and matched healthy controls. A further aim was to study how variations in environmental noise impact voice use. Method: Long-term registration of voice use during 1 week in daily life was performed for 21 participants with PD (11 male, 10 female) and 21 matched healthy controls using the portable voice accumulator VoxLog. Voice use was assessed through registrations of spontaneous speech in different ranges of environmental noise in daily life and in a controlled studio recording setting. Results: Individuals with PD use their voice 50%-60% less than their matched healthy controls in daily life. The difference increases in high levels of environmental noise. Individuals with PD used an average voice sound level in daily life that was 8.11 dB (female) and 6.7 dB (male) lower than their matched healthy controls. Difference in mean voice sound level for individuals with PD and controls during spontaneous speech during a controlled studio registration was 3.0 dB for the female group and 4.1 dB for the male group. Conclusions: The observed difference in voice use in daily life between individuals with PD and matched healthy controls is a 1st step to objectively quantify the impact of PD on communicative participation. The variations in voice use in different levels of environmental noise and when comparing controlled and variable environments support the idea that the study of voice use should include methods to assess function in less controlled situations outside the clinical setting.
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| 3. |
- Holmberg, Jenny, et al.
(författare)
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Exploring motives and perceived barriers for voice modification : the views of transgender and gender-diverse voice clients
- 2023
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Ingår i: Journal of Speech, Language and Hearing Research. - : American Speech Language Hearing Association. - 1092-4388 .- 1558-9102. ; 66:7, s. 2246-2259
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Tidskriftsartikel (refereegranskat)abstract
- Purpose: To date, transgender and gender-diverse voice clients' perceptions and individual goals have been missing in discussions and research on gender-affirming voice therapy. Little is, therefore, known about the client's expectations of therapy outcomes and how these are met by treatments developed from views of vocal gender as perceived by cisgender persons. This study aimed to explore clients' individual motives and perceived barriers to undertaking gender-affirming voice therapy.Method: Individual, semistructured interviews with 15 transgender and gender-diverse voice clients considering voice therapy were conducted and explored using qualitative content analysis.Results: Three themes were identified during the analysis of the participants' narratives. In the first theme, “the incongruent voice setting the rules,” the contribution of the voice on the experienced gender dysphoria is put in focus. The second theme, “to reach a voice of my own choice,” centers around anticipated personal gains using a modified voice. The third theme, “a voice out of reach,” relates to worries and restricting factors for not being able to reach one's set goals for voice modification.Conclusions: The interviews clearly indicate a need for a person-centered voice therapy that starts from the individuals' expressed motives for modifying the voice yet also are affirmative of anticipated difficulties related to voice modification. We recommend that these themes should form the basis of the pretherapy joint discussion between the voice client and the speech-language pathologist to ensure therapy goals that are realistic and relevant to the client.
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| 4. |
- Körner Gustafsson, Joakim, et al.
(författare)
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Long-term effects of Lee Silverman Voice Treatment on daily voice use in Parkinson’s disease as measured with a portable voice accumulator
- 2019
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Ingår i: Logopedics, Phoniatrics, Vocology. - : Taylor & Francis. - 1401-5439 .- 1651-2022. ; 44:3, s. 124-133
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Tidskriftsartikel (refereegranskat)abstract
- This study examines the effects of an intensive voice treatment focusing on increasing voice intensity, LSVT LOUD¯ Lee Silverman Voice Treatment, on voice use in daily life in a participant with Parkinson’s disease, using a portable voice accumulator, the VoxLog. A secondary aim was to compare voice use between the participant and a matched healthy control. Participants were an individual with Parkinson’s disease and his healthy monozygotic twin. Voice use was registered with the VoxLog during 9 weeks for the individual with Parkinson’s disease and 2 weeks for the control. This included baseline registrations for both participants, 4 weeks during LSVT LOUD for the individual with Parkinson’s disease and 1 week after treatment for both participants. For the participant with Parkinson’s disease, follow-up registrations at 3, 6, and 12 months post-treatment were made. The individual with Parkinson’s disease increased voice intensity during registrations in daily life with 4.1 dB post-treatment and 1.4 dB at 1-year follow-up compared to before treatment. When monitored during laboratory recordings an increase of 5.6 dB was seen post-treatment and 3.8 dB at 1-year follow-up. Changes in voice intensity were interpreted as a treatment effect as no significant correlations between changes in voice intensity and background noise were found for the individual with Parkinson’s disease. The increase in voice intensity in a laboratory setting was comparable to findings previously reported following LSVT LOUD. The increase registered using ambulatory monitoring in daily life was lower but still reflecting a clinically relevant change.
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| 5. |
- Körner Gustafsson, Joakim, et al.
(författare)
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Treatment of Hypophonia in Parkinson’s Disease Through Biofeedback in Daily Life Administered with A Portable Voice Accumulator
- 2024
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Ingår i: Journal of Voice. - : Elsevier. - 0892-1997 .- 1873-4588. ; 38:3, s. 800.e27-800.e38
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Tidskriftsartikel (refereegranskat)abstract
- ObjectivesThe purpose of this study was to assess the outcome following continuous tactile biofeedback of voice sound level administered, with a portable voice accumulator to individuals with Parkinson's disease (PD).MethodNine out of 16 participants with PD completed a 4-week intervention program where biofeedback of voice sound level was administered with the portable voice accumulator VoxLog during speech in daily life. The feedback, a tactile vibration signal from the device, was activated when the wearer used a voice sound level below an individually predetermined threshold level, reminding the wearer to increase voice sound level during speech. Voice use was registered in daily life with the VoxLog during the intervention period as well as during one baseline week, one follow-up week post intervention and 1 week 3 months post intervention. Self-to-other ratio (SOR), which is the difference between voice sound level and environmental noise, was studied in multiple noise ranges.ResultsA significant increase in SOR across all noise ranges of 2.28 dB (SD: 0.55) was seen for participants with scores above the cut-off for normal function (>26 points) on the cognitive screening test Montreal Cognitive Assessment (MoCA) (n = 5). No significant increase was seen for the group of participants with MoCA scores below 26 (n = 4). Forty-four percent ended their participation early, all which scored below 26 on MoCA (n = 7).ConclusionsBiofeedback administered in daily life regarding voice level may help individuals with PD to increase their voice sound level in relation to environmental noise in daily life, but only for a limited subset. Only participants with normal cognitive function as screened by MoCA improved their voice sound level in relation to environmental noise.
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| 6. |
- Lindestad, Per Å, et al.
(författare)
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Voice source characteristics in mongolian throat singing studied with high-speed imaging technique, acoustic spectra, and inverse filtering
- 2001
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Ingår i: Journal of Voice. - 0892-1997 .- 1873-4588. ; 15:1, s. 78-85
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Tidskriftsartikel (refereegranskat)abstract
- Mongolian “throat singing” can be performed in different modes. In Mongolia, the bass-type is called Kargyraa. The voice source in bass-type throat singing was studied in one male singer. The subject alternated between modal voice and the throat singing mode. Vocal fold vibrations were observed with high-speed photography, using a computerized recording system. The spectral characteristics of the sound signal were analyzed. Kymographic image data were compared to the sound signal and flow inverse filtering data from the same singer were obtained on a separate occasion. It was found that the vocal folds vibrated at the same frequency throughout both modes of singing. During throat singing the ventricular folds vibrated with complete but short closures at half the frequency of the true vocal folds, covering every second vocal fold closure. Kymographic data confirmed the findings. The spectrum contained added subharmonics compared to modal voice. In the inverse filtered signal the amplitude of every second airflow pulse was considerably lowered. The ventricular folds appeared to modulate the sound by reducing the glottal flow of every other vocal fold vibratory cycle.
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| 7. |
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| 8. |
- Lohmander, Anette, et al.
(författare)
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Kommunikations- och sväljstörningar genom hela livet : ett logopediskt ståndpunktsdokument
- 2017
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Rapport (övrigt vetenskapligt/konstnärligt)abstract
- Den forskning som bedrivs inom logopedi i Sverige idag spänner över ett brett spektrum av medfödda, utvecklingsrelaterade och förvärvade kommunikationsstörningar på grund av röst-, tal- och språksvårigheter samt sväljstörningar. Precis som i andra länder pågår en snabb utveckling både mot en breddning av det urval av områden som det forskas kring och ett ökat fokus på nationellt samarbete. Även om de framsteg som görs inom respektive fält kan mätas genom de forskningsrapporter som publiceras av respektive forskargrupper, finns det ett behov av att granska vilka forskningsinsatser som bedrivs jämte det demografiska sammanhanget. I detta ståndpunktsdokument ger vi en översikt över logopediämnet och den forskning som bedrivs i Sverige. I en kubmodell illustreras hur kommunikations- och sväljstörningar kan beskrivas. Stratifierade (per åldersintervall) uppskattningar av prevalensen av kommunikations- och sväljstörningar ges baserat på 2016 års befolkningsstruktur. Genom att presentera dessa två komponenter identifieras forskningsområden och riktningar inom logopedi som behöver ges ökad uppmärksamhet i det kommande forskningsarbetet.
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| 9. |
- Mc Allister, Anita, 1955-, et al.
(författare)
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Barnröstens utveckling
- 2007. - 1
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Ingår i: Barn och Sång. - Lund : Studentlitteratur. - 9789144019352 ; , s. 41-54
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Bokkapitel (övrigt vetenskapligt/konstnärligt)abstract
- I vårt sångbara svenska språk äger vi ovärderliga skatter: Sånger som vill bli sjungna, melodier som vill bli nynnade, ramsor som vill bli trallade. Men hur blir det i framtiden? Hur tar vi i vår snabbt föränderliga tid vara på detta levande arv, på rätten till vår egendom? Det är i de tidiga barnaåren allt grundläggs, också sången. Den här boken presenterar kunskaper om spädbarnets tidiga melodiliknande joller, om barnröstens anatomiska byggnad och klangliga möjligheter och hur barnets hjärna tar emot tidiga musikaliska impulser. Rytmik, rörelse, improvisation har betydelse för att väcka barns sånglust. Boken innehåller en teoretisk och en praktisk del. Den senare presenterar övningar och sånger för barn från förskola och upp i 10-årsåldern. Med boken följer en CD som ger exempel på en del av bokens övningar och sånger, tillsammans med exempel på sjungande barn från äldre och nyare inspelningar.
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| 10. |
- Mc Allister, Anita, 1955-, et al.
(författare)
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Röststörningar hos barn och ungdomar
- 2007. - 1
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Ingår i: Logopedi. - Lund : Studentlitteratur. - 9789144038865 ; , s. 279-285
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Bokkapitel (övrigt vetenskapligt/konstnärligt)abstract
- Logopedi definieras som läran om språk-, röst- och talstörningar och deras behandling. Detta är den första heltäckande läroboken i logopedi på svenska och består av 40 kapitel av 44 olika författare. I en introducerande del beskrivs funktion och utveckling med anknytning till de fyra logopediska huvudområdena röst, språk, tal och sväljning. Därefter beskrivs karakteristik, diagnostik och intervention vid språkstörningar, röststörningar och talstörningar hos barn, ungdomar och vuxna. Vidare behandlas alternativ och kompletterande kommunikation samt sväljningsstörningar. Boken avslutas med en del som beskriver logopedi ur ett historiskt perspektiv, i nutid och med utblickar mot framtiden.
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