Positional averaging explains crowding with letter-like stimuli

Proceedings of the National Academy of Sciences of the United States of America

Volumn 106, Issue 31, 2009, Pages 13130-13135

  Greenwood, John A ^a   Bex, Peter J ^a,b   Dakin, Steven C ^a  

^a UNIVERSITY COLLEGE LONDON   (United Kingdom)

^b SCHEPENS EYE RESEARCH INSTITUTE   (United States)

Author keywords

Context; Lateral interaction; Peripheral visual field; Texture recognition

Indexed keywords

ARTICLE; CROWDING; EYE MOVEMENT; HUMAN; HUMAN EXPERIMENT; NOISE; NOISE REDUCTION; NORMAL HUMAN; PERCEPTIVE THRESHOLD; POSITION EFFECT; PRIORITY JOURNAL; RECOGNITION; SENSORY STIMULATION; SPATIAL DISCRIMINATION; VERBAL MEMORY; VISION; VISUAL CROWDING; VISUAL FIELD; DEPTH PERCEPTION; PATTERN RECOGNITION; PERCEPTION; PHYSIOLOGY;

HUMANS; PATTERN RECOGNITION, VISUAL; PERCEPTUAL MASKING; SPACE PERCEPTION; VISUAL FIELDS;

EID: 69149095043     PISSN: 00278424     EISSN: 10916490     Source Type: Journal    
DOI: 10.1073/pnas.0901352106     Document Type: Article

References (48)

1. Bouma H (1970) Interaction effects in parafoveal letter recognition. Nature 226:177-178.
2. Flom MC, Weymouth FW, Kahneman D (1963) Visual resolution and contour interaction. J Opt Soc Am 53:1026-1032.
3. Wilkinson F, Wilson HR, Ellemberg D (1997) Lateral interactions in peripherally viewed texture arrays. J Opt Soc Am 14:2057-2068.
4. Kooi FL, Toet A, Tripathy SP, Levi DM (1994) The effect of similarity and duration on spatial interaction in peripheral vision. Spat Vis 8:255-279.
5. Bex PJ, Dakin SC (2005) Spatial interference among moving targets. Vision Res 45:1385-1398.
6. Butler TW, Westheimer G (1978) Interference with stereoscopic acuity: Spatial, temporal, and disparity tuning. Vision Res 18:387-392.
7. Pelli DG, Tillman KA (2008) The uncrowded window of object recognition. Nat Neurosci 11:1129-1135.
8. Levi DM (2008) Crowding - An essential bottleneck for object recognition: A mini-review. Vision Res 48:635-654.
9. Pelli DG, Palomares M, Majaj NJ (2004) Crowding is unlike ordinary masking: Distinguishing feature integration from detection. J Vis 4:1136-1169.
10. Strasburger H (2005) Unfocussed spatial attention underlies the crowding effect in indirect form vision. J Vis 5:1024-1037.
11. Huckauf A, Heller D (2002) What various kinds of errors tell us about lateral masking effects. Vis cogn 9:889-910.
12. Krumhansl CL, Thomas EAC (1977) Effect of level of confusability on reporting letters from briefly presented visual displays. Percept Psychophys 21:269-279.
13. Nandy AS, Tjan BS (2007) The nature of letter crowding as revealed by first- and second-order classification images. J Vis 7:5.1-26.
14. Strasburger H, Harvey LO, Rentschler I (1991) Contrast thresholds for identification of numeric characters in direct and eccentric view. Percept Psychophys 49:495-508.
15. Martelli M, Majaj NJ, Pelli DG (2005) Are faces processed like words? A diagnostic test for recognition by parts. J Vis 5:58-70.
16. Wolford G (1975) Perturbation model for letter identification. Psychol Rev 82:184-199.
17. Chastain G (1982) Feature mislocalizations and misjudgments of intercharacter distance. Psychol Res 44:51-65.
18. Levi DM, Klein SA (1986) Sampling in spatial vision. Nature 320:360-362.
19. Rentschler I, Treutwein B (1985) Loss of spatial phase relationships in extrafoveal vision. Nature 313:308-310.
20. Bennett PJ, Banks MS (1991) The effects of contrast, spatial scale, and orientation on foveal and peripheral phase discrimination. Vision Res 31:1759-1786.
21. White JM, Levi DM, Aitsebaomo AP (1992) Spatial localization without visual references. Vision Res 32:513-526.
22. van Opstal AJ, van Gisbergen JAM (1989) Scatter in the metrics of saccades and properties of the collicular motor map. Vision Res 29:1183-1196.
23. Toet A, Levi DM (1992) The two-dimensional shape of spatial interaction zones in the parafovea. Vision Res 32:1349-1357.
24. Bex PJ, Dakin SC, Simmers AJ (2003) The shape and size of crowding for moving targets. Vision Res 43:2895-2904.
25. Levi DM, Klein SA, Aitsebaomo AP (1985) Vernier acuity, crowding and cortical magnification. Vision Res 25:963-977.
26. Westheimer G, Hauske G (1975) Temporal and spatial interference with vernier acuity. Vision Res 15:1137-1141.
27. Carney T, Klein SA (1999) Optimal spatial localization is limited by contrast sensitivity. Vision Res 39:503-511.
28. Hess RF, Barnes G, Dumoulin SO, Dakin SC (2003) How many positions can we perceptually encode, one or many? Vision Res 43:1575-1587.
29. Parkes L, Lund J, Angelucci A, Solomon JA, Morgan M (2001) Compulsory averaging of crowded orientation signals in human vision. Nat Neurosci 4:739-744.
30. Solomon JA, Felisberti FM, Morgan MJ (2004) Crowding and the tilt illusion: Toward a unified account. J Vis 4:500-508.
31. Petrov Y, Popple AV (2007) Crowding is directed to the fovea and preserves only feature contrast. J Vis 7:8.1-9.
32. Stocker AA, Simoncelli EP (2008) A Bayesian model of conditioned perception. In Advances in Neural Information Processing Systems, eds Platt JC, Koller D, Singer Y, Roweis S (MIT Press, Cambridge, MA), Vol 20, pp 1409-1416.
33. Westheimer G, McKee SP (1977) Integration regions for visual hyperacuity. Vision Res 17:89-93.
34. Watt RJ, Morgan MJ (1983) Mechanisms responsible for the assessment of visual location: Theory and evidence. Vision Res 23:97-109.
35. Gheri C, Baldassi S (2008) Non-linear integration of crowded orientation signals. Vision Res 48:2352-2358.
36. Levi DM, Hariharan S, Klein SA (2002) Suppressive and facilitatory spatial interactions in peripheral vision: Peripheral crowding is neither size invariant nor simple contrast masking. J Vis 2:167-177.
37. Neri P, Levi DM (2006) Spatial resolution for feature binding is impaired in peripheral and amblyopic vision. J Neurophysiol 96:142-153.
38. Vandenbussche E, Vogels R, Orban GA (1986) Human orientation discrimination: Changes with eccentricity in normal and amblyopic vision. Invest Ophthalmol Vis Sci 27:237-245.
39. McKee SP, Nakayama K (1984) The detection of motion in the peripheral visual field. Vision Res 24:25-32.
40. Swets JA, Tanner WP, Birdsall TG (1961) Decision processes in perception. Psychol Rev 68:301-340.
41. He S, Cavanagh P, Intriligator J (1996) Attentional resolution and the locus of visual awareness. Nature 383:334-337.
42. Cass J, Bex PJ, Watt RJ, Dakin SC (2007) Equivalent noise reveals that visual crowding is not an attentional effect. J Vis 7:339a (abstr).
43. Field DJ, Hayes A, Hess RF (1993) Contour integration by the human visual system: Evidence for a local "association field". Vision Res 33:173-193.
44. May KA, Hess RF (2007) Ladder contours are undetectable in the periphery: A crowding effect? J Vis 7:9.1-15.
45. Hess RF, Dakin SC (1999) Contour integration in the peripheral field. Vision Res 39:947-959.
46. Brainard DH (1997) The psychophysics toolbox. Spat Vis 10:433-436.
47. Watson AB, Pelli DG (1983) QUEST: A Bayesian adaptive psychometric method. Percept Psychophys 33:113-120.
48. Akaike H (1974) A new look at the statistical model identification. IEEE Trans Automat Contr 19:716-723.