143 Audio-Visual Training of Perception in Ageing

  • O'Brien J
  • Jason C
  • Setti A
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Abstract

Background: Multisensory perception is the ability to merge information from different sensory modalities. Tere is a growing interest in identifying ways to improve multisensory perception abilities in older adults, as inefficient multisensory processing has been linked to cognitive and functional impairments. Previous research has shown multisensory perception can be improved in young adults through training their simultaneity judgement. In the present study, we tested whether two different versions of this successful training protocol could train audio‐visual abilities in older adults. Methods: Fifty‐eight (32 female) community dwelling and cognitively healthy older adults participated in this study. Te age range was 60 ‐ 85 (M=72.47, SD = 6.46). Recruitment was completed through active retired and community‐based HSE Falls groups. Participants were randomly assigned to one of two experimental conditions; synchronous or asynchronous training. Each group performed a similar computer‐based training protocol, the difference between groups being the instruction given during training. Participants' multisensory processing was assessed using the Sound‐induced Flash Illusion (SiFI) which measures processing efficiency based on susceptibility to an audio‐visual illusion. Results: After 3 days of training, the Analysis of Variance on multisensory thresholds revealed no significant main effect of Training Group [F(1, 42) = .22, p = .64, partial eta squared = .005], Time [F(1, 42) = .007, p = .93, partial eta squared

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O’Brien, J., Jason, C., & Setti, A. (2019). 143 Audio-Visual Training of Perception in Ageing. Age and Ageing, 48(Supplement_3), iii17–iii65. https://doi.org/10.1093/ageing/afz103.85

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