illusions

Summary

Summary: The misinterpretation of a real external, sensory experience.

Top Publications

  1. Tsakiris M. My body in the brain: a neurocognitive model of body-ownership. Neuropsychologia. 2010;48:703-12 pubmed publisher
  2. Oreskovic D, Klarica M. Development of hydrocephalus and classical hypothesis of cerebrospinal fluid hydrodynamics: facts and illusions. Prog Neurobiol. 2011;94:238-58 pubmed publisher
  3. Uchiyama M, Nishio Y, Yokoi K, Hirayama K, Imamura T, Shimomura T, et al. Pareidolias: complex visual illusions in dementia with Lewy bodies. Brain. 2012;135:2458-69 pubmed publisher
    ..Pareidolias, which are complex visual illusions involving ambiguous forms that are perceived as meaningful objects, are analogous to visual hallucinations and ..
  4. Nath A, Beauchamp M. A neural basis for interindividual differences in the McGurk effect, a multisensory speech illusion. Neuroimage. 2012;59:781-7 pubmed publisher
    ..These results suggest that the left STS is a key locus for interindividual differences in speech perception...
  5. Blanco F, Matute H, A Vadillo M. Mediating role of activity level in the depressive realism effect. PLoS ONE. 2012;7:e46203 pubmed publisher
    ..This result supports the hypothesis that the so-called depressive realism effect is actually mediated by the probability of responding...
  6. Moseley G, Gallace A, Spence C. Bodily illusions in health and disease: physiological and clinical perspectives and the concept of a cortical 'body matrix'. Neurosci Biobehav Rev. 2012;36:34-46 pubmed publisher
    b>Illusions that induce a feeling of ownership over an artificial body or body-part have been used to explore the complex relationships that exist between the brain's representation of the body and the integrity of the body itself...
  7. Stevenson R, Zemtsov R, Wallace M. Individual differences in the multisensory temporal binding window predict susceptibility to audiovisual illusions. J Exp Psychol Hum Percept Perform. 2012;38:1517-29 pubmed publisher
    ..This integrative process can be observed through multisensory illusions, including the McGurk effect and the sound-induced flash illusion, both of which demonstrate the ability of one ..
  8. Rohde M, Di Luca M, Ernst M. The Rubber Hand Illusion: feeling of ownership and proprioceptive drift do not go hand in hand. PLoS ONE. 2011;6:e21659 pubmed publisher
    ..This dissociation implies that conclusions about feelings of ownership cannot be drawn from measuring proprioceptive drift alone...
  9. Tsuge M, Izumizaki M, Kigawa K, Atsumi T, Homma I. Interaction between vibration-evoked proprioceptive illusions and mirror-evoked visual illusions in an arm-matching task. Exp Brain Res. 2012;223:541-51 pubmed publisher
    ..That is, when the mirror and vibration illusions were in the same direction, they reinforced each other...

More Information

Publications62

  1. Bizley J, Shinn Cunningham B, Lee A. Nothing is irrelevant in a noisy world: sensory illusions reveal obligatory within-and across-modality integration. J Neurosci. 2012;32:13402-10 pubmed
    ..Results reveal imperfect and obligatory within- and across-modality integration of information, and hint that the strength of these interactions depends on object binding...
  2. Preston C, Newport R. How long is your arm? Using multisensory illusions to modify body image from the third person perspective. Perception. 2012;41:247-9 pubmed
    ..Multisensory illusions from the 3PP can alter body image when applied to real bodies.
  3. Walsh L, Moseley G, Taylor J, Gandevia S. Proprioceptive signals contribute to the sense of body ownership. J Physiol. 2011;589:3009-21 pubmed publisher
    ..Contrary to other studies, we found no evidence that voluntary movements induce stronger illusions of body ownership than those induced by passive movement...
  4. Yazdanbakhsh A, Gori S. Mathematical analysis of the accordion grating illusion: a differential geometry approach to introduce the 3D aperture problem. Neural Netw. 2011;24:1093-101 pubmed publisher
    ..in this issue)). We suggest that our approach may generalize to other motion illusions visible in 2D displays.
  5. Gori S, Giora E, Yazdanbakhsh A, Mingolla E. A new motion illusion based on competition between two kinds of motion processing units: the accordion grating. Neural Netw. 2011;24:1082-92 pubmed publisher
    ..Results from four subjects allow the quantification of the degree of perceived curvature as a function of speed, distance and stimulus type (blurred vs. unblurred grating) and are compatible with the predictions of the model...
  6. Brown H, Adams R, Pareés I, Edwards M, Friston K. Active inference, sensory attenuation and illusions. Cogn Process. 2013;14:411-27 pubmed publisher
    ..It also provides a functional account of deficits in syndromes characterised by false inference and impaired movement--like schizophrenia and Parkinsonism--syndromes that implicate abnormal modulatory neurotransmission. ..
  7. Lenggenhager B, Halje P, Blanke O. Alpha band oscillations correlate with illusory self-location induced by virtual reality. Eur J Neurosci. 2011;33:1935-43 pubmed publisher
    ..We argue that these alpha oscillations in sensorimotor cortex and mPFC reflect self-location as manipulated through multisensory conflict...
  8. Sato K, Masuda T, Wada Y, Shirai N, Kanazawa S, Yamaguchi M. Infants' perception of curved illusory contour with motion. Infant Behav Dev. 2013;36:557-63 pubmed publisher
  9. Brouwer H, Fitz H, Hoeks J. Getting real about semantic illusions: rethinking the functional role of the P600 in language comprehension. Brain Res. 2012;1446:127-43 pubmed publisher
    ..When combined, these functional interpretations result in a single-stream account of language processing that can explain all of the Semantic Illusion data...
  10. Martin B, Giersch A, Huron C, van Wassenhove V. Temporal event structure and timing in schizophrenia: preserved binding in a longer "now". Neuropsychologia. 2013;51:358-71 pubmed publisher
    ..In both tasks, we used McGurk fusion and combination that are classic ecologically valid multisensory illusions. First, and contrary to previous reports, our results show that patients do not significantly differ from ..
  11. Lamminmäki S, Mandel A, Parkkonen L, Hari R. Binaural interaction and the octave illusion. J Acoust Soc Am. 2012;132:1747-53 pubmed
    ..The results demonstrate modified binaural interaction of dichotic tones one octave apart, suggesting that this interaction contributes to pitch perception during the octave illusion...
  12. Keane B, Silverstein S, Wang Y, Papathomas T. Reduced depth inversion illusions in schizophrenia are state-specific and occur for multiple object types and viewing conditions. J Abnorm Psychol. 2013;122:506-12 pubmed publisher
    Schizophrenia patients are less susceptible to depth inversion illusions (DIIs) in which concave faces appear as convex, but what stimulus attributes generate this effect and how does it vary with clinical state? To address these issues, ..
  13. Petkova V, Björnsdotter M, Gentile G, Jonsson T, Li T, Ehrsson H. From part- to whole-body ownership in the multisensory brain. Curr Biol. 2011;21:1118-22 pubmed publisher
    ..These findings suggest that the unitary experience of owning an entire body is produced by neuronal populations that integrate multisensory information across body segments...
  14. Kamke M, Vieth H, Cottrell D, Mattingley J. Parietal disruption alters audiovisual binding in the sound-induced flash illusion. Neuroimage. 2012;62:1334-41 pubmed publisher
    ..Our findings suggest that the same parietal networks that normally act to enhance perception of attended events also play a role in the binding of auditory and visual stimuli in the sound-induced flash illusion...
  15. Guterstam A, Ehrsson H. Disowning one's seen real body during an out-of-body illusion. Conscious Cogn. 2012;21:1037-42 pubmed publisher
    ..Our findings are important because they reveal a relationship between the representation of self-location in the local environment and the multisensory representation of one's own body...
  16. Furman M, Gur M. And yet it moves: perceptual illusions and neural mechanisms of pursuit compensation during smooth pursuit eye movements. Neurosci Biobehav Rev. 2012;36:143-51 pubmed publisher
    ..We discuss the experimental findings in the context of theories of pursuit compensation, and review some of the open questions in the field...
  17. Ruzzoli M, Gori S, Pavan A, Pirulli C, Marzi C, Miniussi C. The neural basis of the Enigma illusion: a transcranial magnetic stimulation study. Neuropsychologia. 2011;49:3648-55 pubmed publisher
    ..These results show that V5/MT, a visual cortical area associated with real motion perception, is also important for the perception of illusory motion, while V1 appears not to be functionally involved in illusory motion perception...
  18. Laeng B, Endestad T. Bright illusions reduce the eye's pupil. Proc Natl Acad Sci U S A. 2012;109:2162-7 pubmed publisher
    We recorded by use of an infrared eye-tracker the pupil diameters of participants while they observed visual illusions of lightness or brightness. Four original illusions {based on Gaetano Kanisza's [Kanizsa G (1976) Subjective contours...
  19. Anderson B, O Vari J, Barth H. Non-Bayesian contour synthesis. Curr Biol. 2011;21:492-6 pubmed publisher
  20. Knebel J, Murray M. Towards a resolution of conflicting models of illusory contour processing in humans. Neuroimage. 2012;59:2808-17 pubmed publisher
    ..There was no evidence for differential processing of ICs as a function of the orientation of the grating. These results support models wherein IC sensitivity occurs first within the LOC...
  21. Diederich N, Fenelon G, Stebbins G, Goetz C. Hallucinations in Parkinson disease. Nat Rev Neurol. 2009;5:331-42 pubmed publisher
    Patients with Parkinson disease (PD) can experience hallucinations (spontaneous aberrant perceptions) and illusions (misinterpretations of real perceptual stimuli)...
  22. Newport R, Pearce R, Preston C. Fake hands in action: embodiment and control of supernumerary limbs. Exp Brain Res. 2010;204:385-95 pubmed publisher
    ..Thus, it would appear that fake limbs can be incorporated into the body schema as well as the body image, but while multiple limbs can be incorporated into the body image, the body schema can accommodate only one...
  23. Eagleman D. Human time perception and its illusions. Curr Opin Neurobiol. 2008;18:131-6 pubmed publisher
    ..accident? Can action and effect be reversed? Time perception is surprisingly prone to measurable distortions and illusions. The past few years have introduced remarkable progress in identifying and quantifying temporal illusions of ..
  24. Schaefer M, Heinze H, Rotte M. My third arm: shifts in topography of the somatosensory homunculus predict feeling of an artificial supernumerary arm. Hum Brain Mapp. 2009;30:1413-20 pubmed publisher
    ..Moreover, several studies demonstrated dynamic modulations of the body map in SI by tactile illusions. The present study aims to further explore the role of SI by creating an illusion of feeling a supernumerary ..
  25. Goldreich D. A Bayesian perceptual model replicates the cutaneous rabbit and other tactile spatiotemporal illusions. PLoS ONE. 2007;2:e333 pubmed
    ..The origins of these perceptual space-time distortions are unknown...
  26. Staub F, Bogousslavsky J, Maeder P, Maeder Ingvar M, Fornari E, Ghika J, et al. Intentional motor phantom limb syndrome. Neurology. 2006;67:2140-6 pubmed
    ..To investigate the clinical and anatomic correlates of a previously unreported form of chronic supernumerary phantom limb, which developed only in association with motor intent directed at a hemiplegic-anesthetic upper limb...
  27. Langens T. Regulatory focus and illusions of control. Pers Soc Psychol Bull. 2007;33:226-37 pubmed
    ..in a promotion focus emphasize a congruence between an action and an intended outcome, which may foster illusions of control (IOC) even in the absence of an objective relationship between action and outcome...
  28. Diedrichsen J, Verstynen T, Hon A, Zhang Y, Ivry R. Illusions of force perception: the role of sensori-motor predictions, visual information, and motor errors. J Neurophysiol. 2007;97:3305-13 pubmed
    ..These results argue that both sensorimotor predictions and visual object information, but not motor errors, influence force perception...
  29. Kanayama N, Sato A, Ohira H. The role of gamma band oscillations and synchrony on rubber hand illusion and crossmodal integration. Brain Cogn. 2009;69:19-29 pubmed publisher
    ..The results suggested that the gamma band activity in the parietal area reflects the visuotactile integration process and that its synchrony causes the illusory intensity...
  30. Brayanov J, Smith M. Bayesian and "anti-Bayesian" biases in sensory integration for action and perception in the size-weight illusion. J Neurophysiol. 2010;103:1518-31 pubmed publisher
    ..Our findings suggest that two fundamentally different strategies for the integration of prior expectations with sensory information coexist in the nervous system for weight estimation...
  31. Franz V, Hesse C, Kollath S. Visual illusions, delayed grasping, and memory: no shift from dorsal to ventral control. Neuropsychologia. 2009;47:1518-31 pubmed publisher
    ..Accordingly, grasping should become responsive to certain visual illusions after a delay (because only the ventral stream is assumed to be deceived by these illusions)...
  32. Mishra J, Martinez A, Hillyard S. Effect of attention on early cortical processes associated with the sound-induced extra flash illusion. J Cogn Neurosci. 2010;22:1714-29 pubmed publisher
    ..Brain Research, Cognitive Brain Research, 14, 147-152, 2002; Shams, L., Kamitani, Y., & Shimojo, S. Illusions. What you see is what you hear. Nature, 408, 788, 2000]...
  33. Crossland M, Dakin S, Bex P. Illusory stimuli can be used to identify retinal blind spots. PLoS ONE. 2007;2:e1060 pubmed
  34. Takasugi J, Matsuzawa D, Murayama T, Nakazawa K, Numata K, Shimizu E. Referred sensations induced by a mirror box in healthy subjects. Psychol Res. 2011;75:54-60 pubmed publisher
    ..In conclusion, an RS could be induced in healthy subjects on the mirror image of the hand by tactile stimulations, although this effect differed substantially among individuals...
  35. Zanker J, Hermens F, Walker R. Quantifying and modeling the strength of motion illusions perceived in static patterns. J Vis. 2010;10:13.1-14 pubmed publisher
    The origin of motion illusions in simple black and white patterns such those as used by Op artists has been at the center of a lively scientific debate, relating motion processing mechanisms to involuntary eye movements that generate ..
  36. Kern D, Plantevin F, Bouhassira D. Effects of morphine on the experimental illusion of pain produced by a thermal grill. Pain. 2008;139:653-9 pubmed publisher
    ..This unique experimental "illusion of pain" may represent a new model to test analgesics in healthy volunteers...
  37. White R, Aimola Davies A, Halleen T, Davies M. Tactile expectations and the perception of self-touch: an investigation using the rubber hand paradigm. Conscious Cogn. 2010;19:505-19 pubmed publisher
    ..Participants experienced the illusion despite the use of incongruent stimuli, both when vision was precluded and when visual feedback provided clear evidence of the tactile mismatch...
  38. Lackner J, DiZio P. Audiogravic and oculogravic illusions represent a unified spatial remapping. Exp Brain Res. 2010;202:513-8 pubmed publisher
    ..These effects are known as the oculogravic, audiogravic and somatogravic illusions, respectively...
  39. Benoit M, Raij T, Lin F, Jaaskelainen I, Stufflebeam S. Primary and multisensory cortical activity is correlated with audiovisual percepts. Hum Brain Mapp. 2010;31:526-38 pubmed publisher
    Incongruent auditory and visual stimuli can elicit audiovisual illusions such as the McGurk effect where visual /ka/ and auditory /pa/ fuse into another percept such as/ta/...
  40. Büttner A. Questions versus statements: challenging an assumption about semantic illusions. Q J Exp Psychol (Hove). 2007;60:779-89 pubmed
    ..questions and statements-to-be-verified of similar semantic content lead to a similar proportion of semantic illusions. This assumption was made despite the fact that questions are thought to have different processing demands from ..
  41. Courtney J, Motes M, Hubbard T. Multi- and unisensory visual flash illusions. Perception. 2007;36:516-24 pubmed
    ..The extent to which these data support a phenomenological continuity principle and whether this principle applies to unisensory perception is discussed...
  42. Howe M, Candel I, Otgaar H, Malone C, Wimmer M. Valence and the development of immediate and long-term false memory illusions. Memory. 2010;18:58-75 pubmed publisher
    ..These findings are discussed in terms of theories of emotion and memory as well as their forensic implications...
  43. de Grave D, Bruno N. The effect of the Müller-Lyer illusion on saccades is modulated by spatial predictability and saccadic latency. Exp Brain Res. 2010;203:671-9 pubmed publisher
    Studies investigating the effect of visual illusions on saccadic eye movements have provided a wide variety of results...
  44. Aimola Davies A, White R, Thew G, Aimola N, Davies M. Visual capture of action, experience of ownership, and the illusion of self-touch: a new rubber hand paradigm. Perception. 2010;39:830-8 pubmed
    ..The presence of these illusory experiences was confirmed by questionnaire responses and proprioceptive drift data...
  45. Jackson R, Willey C. Evolved navigation theory and horizontal visual illusions. Cognition. 2011;119:288-94 pubmed publisher
    ..This manipulation produced previously unknown, large magnitude illusions in everyday vision in the environments most commonly navigated by humans...
  46. Longo M, Schüür F, Kammers M, Tsakiris M, Haggard P. Self awareness and the body image. Acta Psychol (Amst). 2009;132:166-72 pubmed publisher
    ..These results suggest an important role of a mental body image in the perception of the relation between the self and others...
  47. Petkova V, Ehrsson H. If I were you: perceptual illusion of body swapping. PLoS ONE. 2008;3:e3832 pubmed publisher
    ..Our results are of fundamental importance because they identify the perceptual processes that produce the feeling of ownership of one's body...
  48. Kern D, Pelle Lancien E, Luce V, Bouhassira D. Pharmacological dissection of the paradoxical pain induced by a thermal grill. Pain. 2008;135:291-9 pubmed publisher
    ..This paradoxical pain, which involves the glutamatergic systems, acting through the NMDA receptors, but not the tonic endogenous opioids systems, might share some mechanisms with pathological pain...
  49. Dilks D, Serences J, Rosenau B, Yantis S, McCloskey M. Human adult cortical reorganization and consequent visual distortion. J Neurosci. 2007;27:9585-94 pubmed
    ..These findings contribute to our understanding of the human adult brain's capacity to change and has implications for topics ranging from learning to recovery from brain damage...
  50. Kammers M, de Vignemont F, Haggard P. Cooling the thermal grill illusion through self-touch. Curr Biol. 2010;20:1819-22 pubmed publisher
    ..We show here that self-touch not only gates pain signals reaching the brain [7-9] but also, via multisensory integration, increases coherence of cognitive body representations to which pain afferents project [10]...
  51. Boettger M, Schwier C, Bär K. Sad mood increases pain sensitivity upon thermal grill illusion stimulation: implications for central pain processing. Pain. 2011;152:123-30 pubmed publisher
    In different fields of neuroscience research, illusions have successfully been used to unravel underlying mechanisms of stimulus processing...
  52. Dijker A. Why Barbie feels heavier than Ken: the influence of size-based expectancies and social cues on the illusory perception of weight. Cognition. 2008;106:1109-25 pubmed
    ..Results are used to clarify the nature of "embodied", internal sensory-motor representations of physical and social properties...
  53. Wu K, Wang G. Hiding objects and creating illusions above a carpet filter using a Fourier optics approach. Opt Express. 2010;18:19894-901 pubmed publisher
    ..In this paper we propose and demonstrate a carpet filter to hide objects and create illusions above the filter by using a Fourier optics method...