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StreetLab


StreetLab is a multi-sensory immersive lab that allows scientists to present people with realistic scenarios as they safely navigate the sensory and cognitive challenges associated with everyday life.

StreetLab allows scientists to study participants as they navigate through complex, immersive, scenarios as a novel way to test the effects of sensory, motor, auditory, and cognitive challenges on realistic activities of daily living in simulated indoor and outdoor environments. Research includes development of new screening tools (e.g., targeting cognitive decline), interventions to facilitate mobility (e.g., optimizing visual and hearing aids), and better design of the built environment (e.g., accessible pedestrian street crossings).

Recent Research

StreetLab is used to introduce sensory and cognitive challenges that are reflective of everyday life. Individuals with sensory loss (e.g., vision and hearing impairments) and cognitive declines such as dementia, often experience difficulties in multitasking, which could have consequences for mobility. For instance, hearing loss is a significant, but under-acknowledged risk factor for falls, but the underlying causes are not fully understood. Individuals with hearing loss experience much greater listening effort, which uses more cognitive resources, perhaps at the expense of supporting other behaviours such as walking.

Sensory loss is also a major risk factor for developing dementia, in fact, hearing loss has been identified as the top potentially modifiable risk factor (above smoking, diet, and exercise). StreetLab offers a type of brain “stress” test (analogous to a cardiac stress test, but for the brain) in that increasingly complex multisensory and multitasking challenges can be introduced. This technique can hopefully be used to identify evidence of cognitive decline at very early stages; earlier than current office-based tests of cognitive functioning.

StreetLab is also being used to help better design aspects of the built environment, including accessible pedestrian infrastructure. For example, pedestrian signalling at intersections are designed to facilitate safe street crossing for individuals with visual impairments. However, most older adults with visual impairments also have hearing impairments, which must be considered when designing these types of auditory signals. StreetLab has been used to test and optimize different types of auditory pedestrian street crossing signals for use by older adults with and without hearing loss.

Equipment Highlights

StreetLab provides a multi-sensory, fully immersive experience. Six high resolution LED projectors are blended into a 240° horizontal, by 110° vertical field-of-view curved projection screen. A realistic audio soundscape is provided by seven speakers and a subwoofer mounted behind and below the screen. This visual system and high-quality surround sound system can be coupled with various movement interfaces including a linear treadmill, force plate, game controllers and manual and powered wheelchairs. The Virtual Reality (VR) content is uniquely developed for each experiment, and it includes a realistic simulation of downtown Toronto complete with pedestrian and vehicular traffic.

Quick Facts

  • Hearing loss is the third most prevalent chronic health condition in older adults.
  • Individuals with even mild age-related hearing loss are at 3x greater risk of falls than peers without hearing loss.
  • Sensory loss is a significant risk factor for dementia.
  • Detecting cognitive declines at the earliest possible stages can help mitigate symptoms and increase quality of life.

Recent Publications

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