Is the ability to perceive motion altered by diabetes? The investigators are measuring motion perception using a technique called vestibular thresholds. Subjects will undergo 3 hours of testing in which they sit in a chair that makes small movements and report their perception of motion. The investigators are currently looking for individuals who have had type 2 diabetes for at least 10 years.
Previous studies have found that individuals with diabetes fall more frequently, have less stable posture, and have reduced motion and touch sensation in the lower extremities. This study will examine whether vestibular sensation is also affected by diabetes. This study is observational because measurements will be made without the application of an intervention. The same measurement protocol was applied to a large group of normal subjects, and this published data will serve as normative controls.
Study Type
OBSERVATIONAL
Enrollment
16
Massachusetts Eye and Ear Infirmary
Boston, Massachusetts, United States
RECRUITINGVestibular threshold
Vestibular thresholds are measured while subjects sit in a chair that makes small motions in a variety of directions. After each motion, subjects press a button to report their perceived direction (e.g., did I rotate to the left or the right). The size of the motions is adjusted based on subject responses to find the level at which they get approximately 80% of responses correct.
Time frame: 3 hours
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