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The role of size constancy for the integration of local elements into a global shape


, : The role of size constancy for the integration of local elements into a global shape. Frontiers in Human Neuroscience 7: 342-342

Visual perception depends on the visual context and is likely to be influenced by size constancy, which predicts a size and distance invariant perception of objects. However, size constancy can also result in optical illusions that allow the manipulation of the perceived size. We thus asked whether the integration of local elements into a global object can be influenced by manipulations of the visual context and size constancy? A set of stimuli was applied in healthy individuals that took advantage of the "Kanizsa" illusion, in which three circles with open wedges oriented toward a center point are placed to form an illusionary perception of a triangle. In addition, a 3D-perspective view was implemented in which the global target ("Kanizsa" triangle) was placed in combination with several distractor circles either in a close or a distant position. Subjects were engaged in a global recognition task on the location of the "Kanizsa" triangle. Global recognition of "Kanizsa" triangles improved with a decreasing length of the illusory contour. Interestingly, recognition of "Kanizsa" triangles decreased when they were perceived as if they were located further away. We conclude that the integration of local elements into a global object is dependent on the visual context and dominated by size constancy.

US$19.90

PMID: 23840187

DOI: 10.3389/fnhum.2013.00342


Other references

Lennon, J.D.; Shinn, D.; Vachet, R.W.; Glish, G.L., 1996: Strategy for pulsed ionization methods on a sector mass spectrometer. A method to help facilitate efficient implementation of pulsed ionization methods on a double-focusing sector mass spectrometer is described here. This method involves the addition of an inductive detector between the electric and magnetic sectors...

Henderson R.F.; Henderson T.R., 1969: Effects of deuterium oxide on the allosteric properties of bovine liver enz glutamic dehydrogenase. Archives of Biochemistry & Biophysics 129(1): 86-93

Li, H.; Pan, T.; Cui, Y.; Li, X.; Gao, J.; Yang, W.; Shen, S., 2016: Improved oral bioavailability of poorly water-soluble glimepiride by utilizing microemulsion technique. The objective of this work was to prepare an oil/water glimepiride (GM) microemulsion (ME) for oral administration to improve its solubility and enhance its bioavailability. Based on a solubility study, pseudoternary phase diagrams, and Box-Behnke...

Boden, G.; Jadali, F.; Tappy, L.; Fujita-Yamaguchi, Y., 1991: A radioimmunoassay for human insulin receptor correlation between insulin binding and receptor mass. We have developed a radioimmunoassay for human insulin receptor. Serum from a patient with Type B severe insulin resistance was used as anti-insulin receptor antiserum. Pure human placental insulin receptor was used as reference preparation and 12...

Rose B.D.; Hersh W.R.; Greenes R.A.; Rush J., 1990: Consultant a question driven computer based medical and nephrological information system. Kidney International 37(1): 283

Pocock, S.J., 1985: Nitrates and gastric cancer. Human Toxicology 4(5): 471-474

Trostler, I.S., 1952: Dangers when general practitioners give x-ray therapy. Mississippi Valley Medical Journal 74(6): 197-198

Yau,S.K.; Haidar,M.A., 2008: Evaluation of weed management practices for rain-fed safflower production in a semiarid Mediterranean environment. Since safflower (<i>Carthamus tinctorius</i> L.) has slow early growth, effective early weed control is essential. The objective of this study was to investigate the effectiveness of various nonchemical and chemical practices for weed...

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Wollburg, E.; Meuret, A.E.; Conrad, A.; Roth, W.T.; Kim, S., 2007: Psychophysiological reactions to two levels of voluntary hyperventilation in panic disorder. Panic disorder (PD) patients usually react with more self-reported distress to voluntary hyperventilation (HV) than do comparison groups. Less consistently PD patients manifest physiological differences such as more irregular breathing and slower...