The effect of spatial frequency content on parameters of eye movements
Groner, Marina, Groner, Rudolf and von Muehlenen, Adrian. (2008) The effect of spatial frequency content on parameters of eye movements. Psychological Research, Vol.72 (No.6). pp. 601-608. ISSN 0340-0727Full text not available from this repository.
Official URL: http://dx.doi.org/10.1007/s00426-008-0167-1
Two experiments were conducted to examine the influence of the spatial frequency content of natural images on saccadic size and fixation duration. In the first experiment 10 pictures of natural textures were low-pass filtered (0.04-0.76 cycles/deg) and high-pass filtered (1.91-19.56 cycles/deg) and presented with the unfiltered originals in random order, each for 10 s, to 18 participants, with the instruction to inspect them in order to find a suitable name. The participants' eye movements were recorded. It was found that low-pass filtered images resulted in larger saccadic amplitudes compared with high-pass filtered images. A second experiment was conducted with natural stimuli selected for different power spectra which supported the results outlined above. In general, low-spatial frequencies elicit larger saccades associated with shorter fixation durations whereas high-spatial frequencies elicit smaller saccades with longer fixation durations.
|Item Type:||Journal Article|
|Subjects:||B Philosophy. Psychology. Religion > BF Psychology
Q Science > QP Physiology
|Divisions:||Faculty of Science > Psychology|
|Library of Congress Subject Headings (LCSH):||Eye -- Movements -- Psychological aspects, Vision perception, Image processing, Saccadic eye movements|
|Journal or Publication Title:||Psychological Research|
|Number of Pages:||8|
|Page Range:||pp. 601-608|
|Funder:||Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung [Swiss National Science Foundation] (SNSF)|
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