Mislocated fixations during reading and the inverted optimal viewing position effect

被引：157

作者：

Nuthmann, A ^{[1
]}

Engbert, R ^{[1
]}

Kliegl, R ^{[1
]}

机构：

[1] Univ Potsdam, Dept Psychol, D-14415 Potsdam, Germany

来源：

VISION RESEARCH | 2005年 / 45卷 / 17期

关键词：

reading; optimal viewing position; mislocated fixations; saccadic errors;

D O I：

10.1016/j.visres.2005.02.014

中图分类号：

Q189 [神经科学];

学科分类号：

071006 ;

摘要：

Refixation probability during reading is lowest near the word center, suggestive of an optimal viewing position (OVP). Counter-intuitively, fixation durations are largest at the OVP, a result called the inverted optimal viewing position (IOVP) effect [Vitu, McConkie, Kerr, & O'Regan, (2001). Vision Research 41, 3513-3533]. Current models of eye-movement control in reading fail to reproduce the IOVP effect. We propose a simple mechanism for generating this effect based on error-correction of mislocated fixations due to saccadic errors, First, we propose an algorithm for estimating proportions of mislocated fixations from experimental data yielding a higher probability for mislocated fixations near word boundaries. Second, we assume that mislocated fixations trigger an immediate start of a new saccade program causing a decrease of associated durations. Thus, the IOVP effect could emerge as a result of a coupling between cognitive and oculomotor processes. (c) 2005 Elsevier Ltd. All rights reserved.

引用

页码：2201 / 2217

页数：17

共 42 条

[11] EVIDENCE FOR A RANGE EFFECT IN THE SACCADIC SYSTEM [J].