Saccades guided by somatosensory stimuli

The accuracy of somatosensory saccades defined by proprioceptive cues with and without an additional tactile stimulus was investigated over a wide range of stimulus amplitudes in 16 normal subjects. The present results confirm that somatosensory saccades are less accurate and more variable than visual saccades. Accuracy was minimal for saccades directed to hand distances of 40-50 deg and increased for larger stimulus amplitudes. The additional application of a tactile cue on the fingertip was not found to influence the accuracy of somatosensory saccades significantly.


Published in:
Vision research, 41, 18, 2407-12
Year:
2001
Publisher:
Elsevier
ISSN:
0042-6989
Laboratories:




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