June 2020
Volume 61, Issue 7
ARVO Annual Meeting Abstract  |   June 2020
The effect of training on voice recognition abilities in visually impaired individuals
Author Affiliations & Notes
  • Susanne Klauke
    Envision Research Institute, Wichita, Kansas, United States
  • Kelly Chang
    Psychology, University of Washington, Washington, United States
  • Gg Tran
    Psychology, University of Washington, Washington, United States
  • Ione Fine
    Psychology, University of Washington, Washington, United States
  • Footnotes
    Commercial Relationships   Susanne Klauke, None; Kelly Chang, None; Gg Tran, None; Ione Fine, None
  • Footnotes
    Support  Envison grant
Investigative Ophthalmology & Visual Science June 2020, Vol.61, 4270. doi:
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      Susanne Klauke, Kelly Chang, Gg Tran, Ione Fine; The effect of training on voice recognition abilities in visually impaired individuals. Invest. Ophthalmol. Vis. Sci. 2020;61(7):4270.

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      © ARVO (1962-2015); The Authors (2016-present)

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Purpose : Congenitally blind individuals are better at voice recognition than sighted individuals (Barton, 2003), but little is known about voice recognition in individuals who lose partial vision later in life. Here we examine whether late blind visually impaired (VI) individuals have enhanced voice recognition, and whether voice recognition can be enhanced by training.

Methods : We measured face and voice recognition abilities in five VI individuals (1 male + 4 female, age 40.0 ± 8.8) and 5 age matched sighted controls using a 2AFC same-different paradigm. For voice recognition, we successively presented two unfamiliar voice clips (~2 s) extracted from the LibriSpeech voice database (Panayotov, 2014). Each interval contained a clip from the same or a different speaker (same gender). Both intervals were masked by babble. For visual face recognition, each 1 s interval contained the face image (Lundqvist, Flykt, & Öhman, 1998) of either the same or a different individual (same gender, different facial expressions and viewing angle). We then asked VI participants to carry out voice recognition training (50 trials/day) for 3 weeks. After training, we repeated the voice recognition test with novel voices.

Results : As expected, VI participants visual face recognition was far worse in VI individuals (d-prime = 1.10 ± 1.37) than for sighted controls (4.05±0.51). Pre-training voice recognition was slightly better in VI participants (1.11 ± 0.23) than for controls (0.57 ± 0.31). Within VI participants we did see a small effect of training - d-primes increased from 0.57 (± 0.31) to 0.89 (± 0.42).

Conclusions : These results suggest that training may help to improve voice recognition abilities. In future work we hope to examine whether improving voice recognition mitigates the higher levels of loneliness that are associated with visual impairment.

This is a 2020 ARVO Annual Meeting abstract.


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