Proprioceptive, vibration-induced illusions of visual motion

Summary

Human perception of the world is based on input from multiple senses. This project investigates how proprioception from neck muscles and vision combine to yield perception of object motion.

Supervisor(s)

Dr Tatjana Seizova-Cajic

Research Location

Clinical and Rehabilitation Sciences Research Group

Program Type

Masters/PHD

Synopsis

Traditional approach to perception examined different senses - such as audition, vision, touch, and proprioception - largely in isolation from one another. Senses, however, need one another and rely on one another for information. Consider the fact that vision and audition are the senses based on the sensory organs located on the head. When we use them to guide out motor actions such as reaching or locomotion towards a visual object or sound source, we cannot rely on vision or audition alone. We also need to know which way the head is turned relative to our torso, because our arms and legs are attached to the torso and not directly to the head. In other words, the ‘straight ahead' direction given in the head-centric frame of reference needs to be transformed into a body-centric frame. If the head is turned to the left, for example, motor action required will be different than if it is facing forward (for the same visual or auditory input).

Proprioception, the sense of position and movement, can inform about the head position relative to the torso using signals from the receptors in the neck. The proposed study investigates integration between neck proprioceptive and retinal inputs and their relative contribution to perception of object motion relying in part on the vibration-induced activity in muscle spindles.

Additional Information

• Researchers in this field have various backgrounds, from psychology to physiology, medicine, engineering, computer science, and other, and your own background does not have to be any one particular discipline. However, it is expected that you have studied science and that you understand basic principles of experimental research. Having studied perception and/or neuroscience would be an advantage
• Financial support: Part-time research related work or one-year scholarship may be available
• Applications from candidates interested in pursuing other research topics within the general area of the proposed topic will be considered

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Keywords

kinesthesis, intersensory integration, motion, multisensory, muscle spindles, neck muscles, perception, proprioception, psychology, psychophysics, sensory processing, The senses, vibration, Vision, visual motion

Opportunity ID

The opportunity ID for this research opportunity is: 1279

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