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The interaction of visual and proprioceptive inputs in pointing to actual and remembered targets
- M. Berkinblit, O. Fookson, B. Smetanin, Sergey Adamovich, H. Poizner
- Psychology, BiologyExperimental Brain Research
The pattern of errors suggest that the neural systems that mediate processing of actual versus remembered targets may have different capacities for integrating visual and proprioceptive information in order to program spatially directed arm movements.
Body Scheme in the Control of Postural Activity
The changes in the amplitude and direction of vestibulo-motor responses were studied during illusory body tilt and altered perception of the head position. The results obtained under these conditions…
Postural responses to combined vestibular and hip proprioceptive stimulation in man
- K. Popov, G. Kozhina, B. Smetanin, V. Y. Shlikov
- BiologyThe European journal of neuroscience
- 1 September 1999
Vestibular–proprioceptive interaction in human postural control in the frontal plane was studied by analysing the lateral body sway evoked in a standing subject by a weak, near‐threshold galvanic…
Effect of Body Orientation with Respect to Gravity on Directional Accuracy of Human Pointing Movements
The finding of gravity‐related bias in pointing errors suggests that the motor programme generated in the lying position is not modified to adapt to an altered orientation with respect to gravity.
Changes in the direction of vestibulomotor response in the course of adaptation to protracted static head turning in man
Vestibulomotor response during the course of adaptation to prolonged (10 min) static head turning to the furthest limit was investigated in healthy subjects standing upright with the eyes closed. The…
Motor unit discharge during muscular after-contraction.
Azimuth errors in pointing to remembered targets under extreme head rotations.
- O. Fookson, B. Smetanin, M. Berkinblit, S. Adamovich, G. Feldman, H. Poizner
- Psychology, MedicineNeuroreport
- 14 April 1994
Horizontal rotation of the head had no systematic influence on elevation and radial distance errors and the influence of head rotations on pointing errors may be mediated by small shifts in the internal representation of external space, shifting the presentation of space in the opposite direction of theHead rotation.
Human Postural Responses to Vibratory Stimulation of Calf Muscles under Conditions of Visual Inversion
The authors studied postural responses to bilateral vibratory stimulation (70 Hz, 1 mm, 2 s) of the calf triceps proprioceptors or anterior tibial muscles. Anteroposterior body tilts evoked by…
[The dependence of the changes in vestibular postural reactions on the information content of visual feedback].
It is concluded that the early and late components of the vestibulo-motor response are mediated via different mechanisms with specific temporal and functional characteristics.
Spatial perception and vestibulomotor responses in man
- K. Popov, B. Smetanin, V. Gurfinkel, M. P. Kudinova, V. Shlykov
- Biology, PsychologyNeurophysiology
A study made on normal human subjects to investigate changes in posture produced in response to transcutaneous galvanic stimulation of the right labyrinth concluded that the spatial perception system plays a major part in controlling spatially oriented vestibulomotor responses.