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One of possible ways to speed-up the prosaccadic latency examination is applying the target walk paradigm. The authors describe the physiological phenomena involved in carrying such paradigms, which may affect latency time and which should be balanced in this kind of task. Thirteen subjects were examined applying the newly designed target-walk paradigm and for comparison the standard prosaccade task. A significant reduction of the saccadic latency (p < 0.0l) was found on average by 21 ms, which probably resulted from an increased saccadic decision urgency forced by the new test design. Another reason can be different ways of capturing of the subject's attention achieved in this task.
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Czasopismo
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Tom
Strony
79--94
Opis fizyczny
Bibliogr. 29 poz., rys., tab., wykr.
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autor
autor
- Laboratory for Oculomotor Research, Department for Biophysical Measurements and Imaging, Nałęcz lnstitute of Biocybernetics and Biomedical Engineering, Polish Academy of Sciences, Warsaw, Poland, dwitkowska@ibib.waw.pl
Bibliografia
- [1] Hutton S. B.: Cognitive control of saccadic eye movements. Brain Cogn. 2008, 68, 327–340.
- [2] Przedpelska-Ober E.: Eye movements dysfunctions in Alzheimer’s disease. Neurol. Neurochir. Pol. 2006 , 1, 34–41.
- [3] Ali F. R., Michelle A. W., Barker R. A., Carpenter R. H. S.: The use of quantitative oculometry in the assessment of Huntington’s disease. Exp. Brain Res. 2006, 2, 237–245.
- [4] Hotson J. R., Steinke G. W.: Vertical and horizontal saccades in aging and dementia. Neuroophthalmol. 1988, 8, 267–273.
- [5] Ober J, Dylak J., Grycewicz W., Przedpelska-Ober E.: Saccadometry – new possibility for monitoring brain functional status. Nauka 2009, 4, 109–135.
- [6] Carpenter R. H. S.: A neural mechanism that randomises behaviour. J. Consciousness Studies 1999, 6, 13–22.
- [7] Carpenter R. H. S.: Oculomotor procrastination. In: D.F. Fisher, R.A. Monty, J.W. Senders (Eds.), Eye Movements: Cognition and Visual Perception, Hillsdale: Lawrence Erlbaum 1981, 237–246.
- [8] Carpenter R. H. S., Williams M. L. L.: Neural computation of log likelihood in the control of saccadic eye movements. Nature 1995, 37, 59–62.
- [9] Reddi B. A. J., Carpenter R. H. S.: The influence of urgency on decision time. Nature Neuroscience. Inc. 2000, 3, 827–830.
- [10] Oswal A., Ogden M., Carpenter R. H. S.: The time course of stimulus expectation in a saccadic decision task. J. Neurophysiol. 2007, 97, 2722–2730.
- [11] Reddi B. A. J., Asrress K. N., Carpenter R. H. S.: Accuracy, Information, and Response Time in a Saccadic Decision Task. J. Neurophysiol. 2003, 90, 3538–3546.
- [12] Michell A. W., Xu Z., Fritz D., Lewis S. J. G., Foltynie T., Williams-Gray C. H. et al.: Saccadic latency distributions in Parkinson’s disease and the effects of L-dopa. Exp. Brain Res. 2006, 169, 237–245.
- [13] Temel Y., Visser-Vandewalle V., Carpenter R. H. S.: Saccadometry: a novel clinical tool for quantification of the motor effects of subthalamic nucleus stimulation in Parkinson’s disease. Exp. Neurol. 2009, 216, 481–489.
- [14] Temel Y., Visser-Vandewalle V., Carpenter R. H. S.: Saccadic latency during electrical stimulation of the human subthalamic nucleus. Current Biol. 2008, 18, R412–4.
- [15] Ali F. R. Michell A. W., Barker R. A., Carpenter R. H. S.: The use of quantitative oculometry in the assessment of Huntington’s disease. Exp. Brain Res. 2006, 169, 237–245.
- [16] Antoniades C. A., Zheyu X., Mason S. L., Carpenter R. H. S., Barker R. A..: Huntington’s disease: changes in saccades and hand-tapping over three years. J. Neurol. 2010, 257, 1890–1898.
- [17] Pearson B. C., Armitage K. R., Horner C. W. M., Carpenter R. H. S.: Saccadometry: the possible application of latency distribution measurement for monitoring concussion. Br. J. Sports Med. 2007, 41, 610–612.
- [18] Robert M. P., Nachev P. C., Hicks S. L., Golding C. V., Tabrizi S. J., Kennard C.: Saccadometry of Conditional Rules in Presymptomatic Huntington’s Disease. Ann N Y Acad. Sci. 2009, 1164, 444–450.
- [19] Wilson R.: The use of the Saccadometer to assess levels of Cognitive Control in patients with Tourette Syndrome. Essay submitted for The Professor Mary Robertson Prizes 2009.
- [20] Klower E.: The role of visual and cognitive processes in the control of eye movement, In: Kowler E.(Eds), Eye Movements and Their Role in Visual and Cognitive Processes, Elsevier Publishing Company, New York 1990, 1–70.
- [21] Pirozzolo F. J., Rayner K.: Handedness, hemispheric specialization and saccadic eye movement latencies. purchase Neuropsychol. 1980, 18, 225–229.
- [22] Hutton J. T., Palet J.: Lateral saccadic latencies and handedness. purchase Neuropsychol. 1986, 24, 449–451.
- [23] Weber H., Fischer B.: Gap Duration and Location of Attention Focus Modulate The Occurrence of Left/Right Asymetries in Saccadic Reaction Times of Human Subjects. Vision Res. 1995, 7, 987–998.
- [24] Lawrence B. M., St. John A., Abrams R. A., Synder L. H.: An anti-Hick’s effect in monkey and human saccade reaction Times. J. Vis. 2008, 8(3), 26, 1–7.
- [25] Farrell S., Ludwig C. J. H, Ellis L. A., Gilchrist I. D.: Influence of environmental statistics on inhibition of saccadic return. Proc. Natl. Acad. Sci. U S A. 2010, 107, 929–934.
- [26] Ludwig .J. H, Farrell S., Ellis L. A., Gilchrist I. D.: The mechanism underlying inhibition of saccadic return. Cog. Psychol. 2009, 59, 180–202.
- [27] Anderson A. J., Yadav H., Carpenter R. H. S.: Directional Prediction by the Saccadic System. Current Biol. 2008, 8, 614–618.
- [28] Van der Stigchel S., Mills M., Dodd M. D.: Shift and deviate: Saccades reveal that shifts of covert attention evoked by trained spatial stimuli are obligatory. Atten. Percept. Psychophys. 2010, 72 (5), 1244–1250.
- [29] Carpenter R. H. S.: SPIC: a PC-based system for rapid measurement of saccadic responses. J. Physiol. 1994, 4P, 480.
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Bibliografia
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bwmeta1.element.baztech-article-BPZ6-0002-0029