Fractal fluctuations in gaze speed visual search

被引：39

作者：

Stephen, Damian G. ^{[1
,2
,3
]}

Anastas, Jason ^{[4
]}

机构：

[1] Harvard Univ, Wyss Inst Biol Inspired Engn, Boston, MA 02115 USA

[2] Childrens Hosp, Dept Psychiat, Boston, MA 02115 USA

[3] Harvard Univ, Sch Med, Boston, MA USA

[4] Univ Connecticut, Dept Psychol, Storrs, CT USA

来源：

ATTENTION PERCEPTION & PSYCHOPHYSICS | 2011年 / 73卷 / 03期

关键词：

Visual search; Fractality; Exploration; Perception; Diffusion; MEMORY; INHIBITION; AUTISM; ORGANIZATION; INTEGRATION; SUPERIOR; RETURN; MODEL; INFORMATION; PERCEPTION;

D O I：

10.3758/s13414-010-0069-3

中图分类号：

B84 [心理学];

学科分类号：

04 ; 0402 ;

摘要：

Visual search involves a subtle coordination of visual memory and lower-order perceptual mechanisms. Specifically, the fluctuations in gaze may provide support for visual search above and beyond what may be attributed to memory. Prior research indicates that gaze during search exhibits fractal fluctuations, which allow for a wide sampling of the field of view. Fractal fluctuations constitute a case of fast diffusion that may provide an advantage in exploration. We present reanalyses of eye-tracking data collected by Stephen and Mirman (Cognition, 115, 154-165, 2010) for single-feature and conjunction search tasks. Fluctuations in gaze during these search tasks were indeed fractal. Furthermore, the degree of fractality predicted decreases in reaction time on a trial-by-trial basis. We propose that fractality may play a key role in explaining the efficacy of perceptual exploration.

引用

页码：666 / 677

页数：12

共 77 条

[1]

Akaike H., 1973, 2 INTERNAT SYMPOS IN, P267, DOI [DOI 10.1007/978-1-4612-1694-0_15, 10.1007/978-1-4612-1694-0, 10.1007/978-1-4612-0919-5_38]

[2]

Aks D.J., 2005, Tutorials in contemporary nonlinear methods for the behavioral sciences, P326

[3]

Aks D.J., 2002, Nonlinear Dynamics, Psychology, and the Life Sciences, V6, P1, DOI [10.1023/A:1012222601935, DOI 10.1023/A:1012222601935]

[4] The capacity of visual short-term memory is set both by visual information load and by number of objects [J].

Alvarez, GA ;

Cavanagh, P .

PSYCHOLOGICAL SCIENCE, 2004, 15 (02) :106-111

[5] REFLECTIONS OF THE ENVIRONMENT IN MEMORY [J].

ANDERSON, JR ;

SCHOOLER, LJ .

PSYCHOLOGICAL SCIENCE, 1991, 2 (06) :396-408

[6]

[Anonymous], 2006, STUD NONLIN PHENOM

[7] The fundamental organization of cardiac mitochondria as a network of coupled oscillators [J].

Aon, Miguel Antonio ;

Cortassa, Sonia ;

O'Rourke, Brian .

BIOPHYSICAL JOURNAL, 2006, 91 (11) :4317-4327

[8] Responses of neurons in primary and inferior temporal visual cortices to natural scenes [J].

Baddeley, R ;

Abbott, LF ;

Booth, MCA ;

Sengpiel, F ;

Freeman, T ;

Wakeman, EA ;

Rolls, ET .

PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES, 1997, 264 (1389) :1775-1783

[9]

Banerjee A., 1993, ADV TEXTS ECONOMETRI

[10] SLIPPAGE OF CONTACT-LENSES AND OTHER ARTIFACTS IN RELATION TO FADING AND REGENERATION OF SUPPOSEDLY STABLE RETINAL IMAGES [J].

BARLOW, HB .

QUARTERLY JOURNAL OF EXPERIMENTAL PSYCHOLOGY, 1963, 15 (01) :36-51

← 1 2 3 4 5 6 7 8 →