Effects of wrist tendon vibration and eye movements on manual aiming

In the present study, we investigated whether visual information mediates a proprioceptive illusion effect induced by muscle tendon vibration in manual aiming. Visual information was gradually degraded from a situation in which the targets were present and participants ( n  = 20; 22.3 ± 2.7 years) w...

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Bibliographic Details
Published in:Experimental brain research 2018-03, Vol.236 (3), p.847-857
Main Authors: Lavrysen, Ann, Levin, Oron, Boisgontier, Matthieu P., Elliott, Digby, Helsen, Werner F.
Format: Article
Language:English
Subjects:
Adult
Biomedical and Life Sciences
Biomedicine
Eye movements
Female
Humans
Illusions - physiology
Male
Motor Activity - physiology
Muscles
Neurology
Neurosciences
Physiological aspects
Proprioception
Proprioception - physiology
Psychological aspects
Psychomotor Performance - physiology
Research Article
Saccadic eye movements
Tendons - physiology
Touch Perception - physiology
Vibration
Visual Perception - physiology
Wrist
Wrist - physiology
Young Adult
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Summary:In the present study, we investigated whether visual information mediates a proprioceptive illusion effect induced by muscle tendon vibration in manual aiming. Visual information was gradually degraded from a situation in which the targets were present and participants ( n  = 20; 22.3 ± 2.7 years) were permitted to make saccadic eye movements to designated target positions, to a condition in which the targets were not visible and participants were required to perform cyclical aiming while fixating a point between the two target positions. Local tendon vibration applied to the right wrist extensor muscles induced an illusory reduction of 15% in hand movement amplitude. This effect was greater in the fixation than in the saccade condition. Both anticipatory control and proprioceptive feedback are proposed to contribute to the observed effects. The primary saccade amplitude was also reduced by almost 4% when muscle tendon vibration was locally applied to the wrist. These results confirm a tight link between eye movements and manual perception and action. Moreover, the impact of the proprioceptive illusion on the ocular system indicates that the interaction between systems is bidirectional.
ISSN:0014-4819
1432-1106
DOI:10.1007/s00221-018-5180-z