Explaining mirror-touch synesthesia

REFERENCES

• Arzy, S., Thut, G., Mohr, C., Michel, C. M., & Blanke, O. (2006). Neural basis of embodiment: Distinct contributions of temporoparietal junction and extrastriate body area. Journal of Neuroscience, 26, 8074–8081. doi:10.1523/JNEUROSCI.0745-06.2006
   PubMed Web of Science ®Google Scholar
• Asher, J. E., Lamb, J. A., Brocklebank, D., Cazier, J. B., Maestrini, E., Addis, L., & Monaco, A. P. (2009). A whole-genome scan and fine-mapping linkage study of auditory-visual synesthesia reveals evidence of linkage to chromosomes 2q24, 5q33, 6p12, and 12p12. American Journal of Human Genetics, 84(2), 279–285. doi:10.1016/j.ajhg.2009.01.012
   PubMed Web of Science ®Google Scholar
• Auksztulewicz, R., & Blankenburg, F. (2013). Subjective rating of weak tactile stimuli is parametrically encoded in event-related potentials. Journal of Neuroscience, 33(29), 11878–11887. doi:10.1523/jneurosci.4243-12.2013
   PubMed Web of Science ®Google Scholar
• Auksztulewicz, R., Spitzer, B., & Blankenburg, F. (2012). Recurrent neural processing and somatosensory awareness. Journal of Neuroscience, 32(3), 799–805. doi:10.1523/jneurosci.3974-11.2012
   PubMed Web of Science ®Google Scholar
• Avenanti, A., Sirigu, A., & Aglioti, S. M. (2010). Racial bias reduces empathic sensorimotor resonance with other-race pain. Current Biology, 20(11), 1018–1022. doi:10.1016/j.cub.2010.03.071
   PubMed Web of Science ®Google Scholar
• Azevedo, R. T., Macaluso, E., Avenanti, A., Santangelo, V., Cazzato, V., & Aglioti, S. M. (2013). Their pain is not our pain: Brain and autonomic correlates of empathic resonance with the pain of same and different race individuals. Human Brain Mapping, 34(12), 3168–3181. doi:10.1002/hbm.v34.12
   PubMed Web of Science ®Google Scholar
• Banissy, M. J. (2013). Synaesthesia, mirror neurons and mirror-touch. In E., Hubbard, & J., Simner (Eds.), The oxford handbook of synaesthesia (pp. 584–605). Oxford: Oxford University Press.
   Google Scholar
• Banissy, M. J., Garrido, L., Kusnir, F., Duchaine, B., Walsh, V., & Ward, J. (2011). Superior facial expression, but not identity recognition, in mirror-touch synesthesia. Journal of Neuroscience, 31, 1820–1824. doi:10.1523/JNEUROSCI.5759-09.2011
   PubMed Web of Science ®Google Scholar
• Banissy, M. J., Kadosh, R. C., Maus, G. W., Walsh, V., & Ward, J. (2009a). Prevalence, characteristics and a neurocognitive model of mirror-touch synaesthesia. Experimental Brain Research, 198(2–3), 261–272. doi:10.1007/s00221-009-1810-9
   PubMed Web of Science ®Google Scholar
• Banissy, M. J., Walsh, V., & Ward, J. (2009b). Enhanced sensory perception in synaesthesia. Experimental Brain Research, 196(4), 565–571. doi:10.1007/s00221-009-1888-0
   PubMed Web of Science ®Google Scholar
• Banissy, M. J., & Ward, J. (2007). Mirror-touch synesthesia is linked with empathy. Nature Neuroscience, 10, 815–816. doi:10.1038/nn1926
   PubMed Web of Science ®Google Scholar
• Banissy, M. J., & Ward, J. (2013). Mechanisms of Self-other representations and vicarious experiences of touch in mirror-touch synesthesia. Frontiers in Human Neuroscience, 7. doi:10.3389/fnhum.2013.00112
   Web of Science ®Google Scholar
• Barnett, K. J., Finucane, C., Asher, J. E., Bargary, G., Corvin, A. P., Newell, F. N., & Mitchell, K. J. (2008). Familial patterns and the origins of individual differences in synaesthesia. Cognition, 106, 871–893. doi:10.1016/j.cognition.2007.05.003
   PubMed Web of Science ®Google Scholar
• Baron-Cohen, S., & Harrison, J. E. (1997). Synaesthesia: Classic and contemporary readings. Oxford: Blackwell.
   Google Scholar
• Beauchamp, M. S., & Ro, T. (2008). Neural substrates of sound-touch synesthesia after a thalamic lesion. Journal of Neuroscience, 28, 13696–13702. doi:10.1523/JNEUROSCI.3872-08.2008
   PubMed Web of Science ®Google Scholar
• Bird, G., & Viding, E. (2014). The self to other model of empathy: Providing a new framework for understanding empathy impairments in psychopathy, autism, and alexithymia. Neuroscience and Biobehavioral Review, 47, 520–532. doi:10.1016/j.neubiorev.2014.09.021
   PubMed Web of Science ®Google Scholar
• Blakemore, S.-J., Bristow, D., Bird, G., Frith, C., & Ward, J. (2005). Somatosensory activations during the observation of touch and a case of vision-touch synaesthesia. Brain, 128, 1571–1583. doi:10.1093/brain/awh500
   PubMed Web of Science ®Google Scholar
• Bolognini, N., Miniussi, C., Gallo, S., & Vallar, G. (2013). Induction of mirror-touch synaesthesia by increasing somatosensory cortical excitability. Current Biology, 23(10), R436–R437. doi:10.1016/j.cub.2013.03.036
   Google Scholar
• Bolognini, N., Rossetti, A., Fusaro, M., Vallar, G., & Miniussi, C. (2014). Sharing social touch in the primary somatosensory cortex. Current Biology, 24(13), 1513–1517. doi:10.1016/j.cub.2014.05.025
   PubMed Web of Science ®Google Scholar
• Brang, D., Williams, L. E., & Ramachandran, V. S. (2012). Grapheme-color synesthetes show enhanced crossmodal processing between auditory and visual modalities. Cortex, 48(5), 630–637. doi:10.1016/j.cortex.2011.06.008
   PubMed Web of Science ®Google Scholar
• Case, L. K., Gosavi, R., & Ramachandran, V. S. (2013). Heightened motor and sensory (Mirror-touch) referral induced by nerve block or topical anesthetic. Neuropsychologia, 51(10), 1823–1828. doi:10.1016/j.neuropsychologia.2013.06.010
   PubMed Web of Science ®Google Scholar
• Chun, C. A., & Hupé, J.-M. (2013). Mirror-touch and ticker tape experiences in synesthesia. Frontiers in Psychology, 4. doi:10.3389/fpsyg.2013.00776
   PubMed Web of Science ®Google Scholar
• Cioffi, M. C., Moore, J. W., & Banissy, M. J. (2014). What can mirror-touch synaesthesia tell us about the sense of agency? Frontiers in Human Neuroscience, 8. doi:10.3389/fnhum.2014.00256
   PubMed Web of Science ®Google Scholar
• Cook, J. L. (2014). Task-relevance dependent gradients in medial prefrontal and temporoparietal cortices suggest solutions to paradoxes concerning self/other control. Neuroscience and Biobehavioral Reviews, 42, 298–302. doi:10.1016/j.neubiorev.2014.02.007
   PubMed Web of Science ®Google Scholar
• Daprati, E., Franck, N., Georgieff, N., Proust, J., Pacherie, E., Dalery, J., & Jeannerod, M. (1997). Looking for the agent: An investigation into consciousness of action and self-consciousness in schizophrenic patients. Cognition, 65(1), 71–86. doi:10.1016/s0010-0277(97)00039-5
   PubMed Web of Science ®Google Scholar
• Davies, A. M. A., & White, R. C. (2013). A sensational illusion: Vision-touch synaesthesia and the rubber hand paradigm. Cortex, 49(3), 806–818. doi:10.1016/j.cortex.2012.01.007
   PubMed Web of Science ®Google Scholar
• De Vignemont, F. (in press). Mirror touch synaesthesia: Intersubjective or intermodal fusion? In Deroy, O. (Ed.), Sensory blending: New essays on synaesthesia. Oxford: OUP.
   Google Scholar
• De Vignemont, F., & Jacob, P. (2012). What is it like to feel another’s pain? Philosophy of Science, 79(2), 295–316. doi:10.1086/664742
   Web of Science ®Google Scholar
• Dehaene, S., Changeux, J.-P., Naccache, L., Sackur, J., & Sergent, C. (2006). Conscious, preconscious, and subliminal processing: A testable taxonomy. Trends in Cognitive Sciences, 10(5), 204–211.
   PubMed Web of Science ®Google Scholar
• Derbyshire, S. W. G., Osborn, J., & Brown, S. (2013). Feeling the pain of others is associated with self-other confusion and prior pain experience. Frontiers in Human Neuroscience, 7. doi:10.3389/fnhum.2013.00470
   PubMed Web of Science ®Google Scholar
• Ebisch, S. J. H., Perrucci, M. G., Ferretti, A., Del Gratta, C., Romani, G. L., & Gallese, V. (2008). The sense of touch: Embodied simulation in a visuotactile mirroring mechanisms for observed animate or inanimate touch. Journal of Cognitive Neuroscience, 20, 1611–1623. doi:10.1162/jocn.2008.20111
   PubMed Web of Science ®Google Scholar
• Fitzgibbon, B. M., Enticott, P. G., Giummarra, M. J., Thomson, R. H., Georgiou-Karistianis, N., & Bradshaw, J. L. (2012). Atypical electrphysiological activity during pain observation in amputees who experience synaesthetic pain. Social, Cognitive and Affective Neuroscience, 7(3), 357–368. doi:10.1093/scan/nsr016
   PubMed Web of Science ®Google Scholar
• Fitzgibbon, B. M., Enticott, P. G., Rich, A. N., Giummarra, M. J., Georgiou-Karistianis, N., & Bradshaw, J. L. (2012). Mirror-sensory synaesthesia: Exploring ‘shared’ sensory experiences as synaesthesia. Neuroscience and Biobehavioral Reviews, 36(1), 645–657. doi:10.1016/j.neubiorev.2011.09.006
   PubMed Web of Science ®Google Scholar
• Fitzgibbon, B. M., Enticott, P. G., Rich, A. N., Giummarra, M. J., Georgiou-Karistianis, N., Tsao, J. W., & Bradshaw, J. L. (2010). High incidence of ‘synaesthesia for pain’ in amputees. Neuropsychologia, 48(12), 3675–3678. doi:10.1016/j.neuropsychologia.2010.07.029
   PubMed Web of Science ®Google Scholar
• Frith, U., & Frith, C. D. (2003). Development and neurophysiology of mentalizing. Philosophical Transactions of the Royal Society of London B, 358, 459–472. doi:10.1098/rstb.2002.1218
   PubMed Web of Science ®Google Scholar
• Gallace, A., & Spence, C. (2008). The cognitive and neural correlates of “tactile consciousness”: A multisensory perspective. Consciousness and Cognition, 17(1), 370–407. doi:10.1016/j.concog.2007.01.005
   PubMed Web of Science ®Google Scholar
• Giummarra, M. J., Fitzgibbon, B. M., Georgiou-Karistianis, N., Nicholls, M. E. R., Gibson, S. J., & Bradshaw, J. L. (2010). Ouch! My phantom leg jumps/hurts when you stab “my” virtual hand. Perception, 39(10), 1396–1407. doi:10.1068/p6582
   PubMed Web of Science ®Google Scholar
• Godinho, F., Faillenot, I., Perchet, C., Frot, M., Magnin, M., & Garcia-Larrea, L. (2012). How the pain of others enhances our pain: Searching the cerebral correlates of ‘compassional hyperalgesia’. European Journal of Pain, 16(5), 748–759. doi:10.1002/j.1532-2149.2011.00039.x
   PubMed Web of Science ®Google Scholar
• Goller, A. I., Richards, K., Novak, S., & Ward, J. (2013). Mirror-touch synaesthesia in the phantom limbs of amputees. Cortex, 49(1), 243–251. doi:10.1016/j.cortex.2011.05.002
   PubMed Web of Science ®Google Scholar
• Gu, X., Gao, Z., Wang, X., Liu, X., Knight, R. T., Hof, P. R., & Fan, J. (2012). Anterior insular cortex is necessary for empathetic pain perception. Brain, 135, 2726–2735. doi:10.1093/brain/aws199
   PubMed Web of Science ®Google Scholar
• Hogeveen, J., Obhi, S. S., Banissy, M. J., Santiesteban, I., Press, C., Catmur, C., & Bird, G. (in press). Task-Dependent and Distinct Roles of the Temporoparietal Junction and Inferior Frontal Cortex in the Control of Imitation. Social Cognitive and Affective Neuroscience.
   PubMed Web of Science ®Google Scholar
• Holle, H., Banissy, M., Wright, T. D., Bowling, N., & Ward, J. (2011). “That’s not a real body”: Identifying stimulus qualities that modulate synaesthetic experiences of touch. Consciousness and Cognition, 20, 720–726. doi:10.1016/j.concog.2010.12.002
   PubMed Web of Science ®Google Scholar
• Holle, H., Banissy, M. J., & Ward, J. (2013). Functional and structural brain differences associated with mirror-touch synaesthesia. NeuroImage, 83, 1041–1050. doi:10.1016/j.neuroimage.2013.07.073
   PubMed Web of Science ®Google Scholar
• Holle, H., Warne, K., Seth, A. K., Critchley, H. D., & Ward, J. (2012). The neural basis of contagious itch and why some people are more prone to it. Proceedings of the National Academy of Science, USA, 109, 19816–19821. doi:10.1073/pnas.1216160109
   PubMed Web of Science ®Google Scholar
• Hutchison, W. D., Davis, K. D., Lozano, A. M., Tasker, R. R., & Dostrovsky, J. O. (1999). Pain-related neurons in the human cingulate cortex. Nature Neuroscience, 2(5), 403–405. doi:10.1038/8065
   PubMed Web of Science ®Google Scholar
• Ikoma, A., Steinhoff, M., Ständer, S., Yosipovitch, G., & Schmelz, M. (2006). The neurobiology of itch. Nature Reviews Neuroscience, 7(7), 535–547. doi:10.1038/nrn1950
   PubMed Web of Science ®Google Scholar
• Ishida, H., Nakajima, K., Inase, M., & Murata, A. (2010). Shared mapping of own and others’ bodies in visuotactile bimodal area of monkey parietal cortex. Journal of Cognitive Neuroscience, 22(1), 83–96. doi:10.1162/jocn.2009.21185
   PubMed Web of Science ®Google Scholar
• Keysers, C., Kaas, J. H., & Gazzola, V. (2010). Somatosensation in social perception. Nature Reviews Neuroscience, 11, 417–428. doi:10.1038/nrn2833
   PubMed Web of Science ®Google Scholar
• Keysers, C., Wicker, B., Gazzola, V., Anton, J. L., Fogassi, L., & Gallese, V. (2004). A touching sight: SII/PV activation during the observation and experience of touch. Neuron, 42, 335–346. doi:10.1016/S0896-6273(04)00156-4
   PubMed Web of Science ®Google Scholar
• Krueger, F., Barbey, A. K., & Grafman, J. (2009). The medial prefrontal cortex mediates social event knowledge. Trends in Cognitive Sciences, 13(3), 103–109. doi:10.1016/j.tics.2008.12.005
   PubMed Web of Science ®Google Scholar
• Lamm, C., Decety, J., & Singer, T. (2011). Meta-analytic evidence for common and distinct neural networks associated with directly experienced pain and empathy for pain. NeuroImage, 54, 2492–2502. doi:10.1016/j.neuroimage.2010.10.014
   PubMed Web of Science ®Google Scholar
• Lee, S. J., Song, H. J., Decety, J., Seo, J., Kim, S. H., Kim, S. H. … Chang, Y. (2013). Do patients with fibromyalgia show abnormal neural responses to the observation of pain in others? Neuroscience Research, 75(4), 305–315. doi:10.1016/j.neures.2013.01.013
   PubMed Web of Science ®Google Scholar
• Lloyd, D. M., Hall, E., Hall, S., & McGlone, F. P. (2013). Can itch-related visual stimuli alone provoke a scratch response in healthy individuals? British Journal of Dermatology, 168(1), 106–111. doi:10.1111/bjd.2012.168.issue-1
   PubMed Web of Science ®Google Scholar
• Mahayana, I. T., Banissy, M. J., Chen, C.-Y., Walsh, V., Juan, C.-H., & Muggleton, N. G. (2014). Motor empathy is a consequence of misattribution of sensory information in observers. Frontiers in Human Neuroscience, 8. doi:10.3389/fnhum.2014.00047
   PubMed Web of Science ®Google Scholar
• Maister, L., Banissy, M. J., & Tsakiris, M. (2013). Mirror-touch synaesthesia changes representations of self-identity. Neuropsychologia, 51(5), 802–808. doi:10.1016/j.neuropsychologia.2013.01.020
   PubMed Web of Science ®Google Scholar
• Martin, D. (2015, May 4). Mirror touch, empathy, spectatorship and synaesthesia. Retrieved from http://mirror-touch.co.uk/
   Google Scholar
• Martin, L. J., Tuttle, A. H., & Mogil, J. S. (2014). The interaction between pain and social behavior in humans and rodents. Current Topics in Behavioral Neurosciences, 20, 233–250. doi:10.1007/7854_2014_287
   PubMedGoogle Scholar
• Moutoussis, K., & Zeki, S. (2002). The relationship between cortical activation and perception investigated with invisible stimuli. Proceedings of the National Academy of Sciences of the United States of America, 99(14), 9527–9532. doi:10.1073/pnas.142305699
   PubMed Web of Science ®Google Scholar
• Nicolle, A., Klein-Fluegge, M. C., Hunt, L. T., Vlaev, I., Dolan, R. J., & Behrens, T. E. J. (2012). An agent independent axis for executed and modeled choice in medial prefrontal cortex. Neuron, 75(6), 1114–1121. doi:10.1016/j.neuron.2012.07.023
   PubMed Web of Science ®Google Scholar
• Osborn, J., & Derbyshire, S. W. G. (2010). Pain sensation evoked by observing injury in others. Pain, 148, 268–274. doi:10.1016/j.pain.2009.11.007
   PubMedGoogle Scholar
• Pihko, E., Nangini, C., Jousmaki, V., & Hari, R. (2011). Observing touch activates human primary somatosensory cortex. European Journal of Neuroscience, 31(10), 1836–1843. doi:10.1111/j.1460-9568.2010.07192.x
   Web of Science ®Google Scholar
• Platek, S. M., Critton, S. R., Myers, T. E., & Gallup, G. G. (2003). Contagious yawning: The role of self-awareness and mental state attribution. Cognitive Brain Research, 17(2), 223–227. doi:10.1016/s0926-6410(03)00109-5
   PubMedGoogle Scholar
• Provine, R. R. (1996). Contagious yawning and laughter: Significance for sensory feature detection, motor pattern generation, imitation, and the evolution of social behavior. In Heyes, C. M., & Galef, B. G. (Eds.), Social learning in animals: The roots of culture. San Diego: Academic Press.
   Google Scholar
• Ramachandran, V. S., & Brang, D. (2009). Sensations evoked in patients with amputation from watching an individual whose corresponding intact limb is being touched. Archives of Neurology, 66(10), 1281–1284. doi:10.1001/archneurol.2009.206
   PubMed Web of Science ®Google Scholar
• Rizzolatti, G., & Craighero, L. (2004). The mirror-neuron system. Annual Review of Neuroscience, 27, 169–192. doi:10.1146/annurev.neuro.27.070203.144230
   PubMed Web of Science ®Google Scholar
• Rothen, N., & Meier, B. (2013). Why vicarious experience is not an instance of synesthesia. Frontiers in Human Neuroscience, 7. doi:10.3389/fnhum.2013.00128
   PubMed Web of Science ®Google Scholar
• Rouw, R., Scholte, H. S., & Colizoli, O. (2011). Brain areas involved in synaesthesia: A review. Journal of Neuropsychology, 5, 214–242. doi:10.1111/jnp.2011.5.issue-2
   PubMed Web of Science ®Google Scholar
• Ruby, P., & Decety, J. (2004). How would you feel versus how do you think she would feel? A neuroimaging study of perspective-taking with social emotions. Journal of Cognitive Neuroscience, 16(6), 988–999. doi:10.1162/0898929041502661
   PubMed Web of Science ®Google Scholar
• Sagiv, N., & Ward, J. (2006). Cross-modal interactions: Lessons from synesthesia. Progress in Brain Research, 155, 259–271.
   PubMed Web of Science ®Google Scholar
• Samson, D., Apperly, I. A., Braithwaite, J. J., Andrews, B. J., & Bodley Scott, S. E. (2010). Seeing it their way: Evidence for rapid and involuntary computation of what other people see. Journal of Experimental Psychology: Human Perception and Performance, 36(5), 1255–1266.
   PubMed Web of Science ®Google Scholar
• Santiesteban, I., Banissy, M. J., Catmur, C., & Bird, G. (2012). Enhancing social ability by stimulating right temporoparietal junction. Current Biology, 22(23), 2274–2277. doi:10.1016/j.cub.2012.10.018
   PubMed Web of Science ®Google Scholar
• Santiesteban, I., Catmur, C., Hopkins, S. C., Bird, G., & Heyes, C. (2014). Avatars and arrows: Implicit mentalizing or domain-general processing? Journal of Experimental Psychology: Human Perception and Performance, 40(3), 929–937. doi:10.1037/a0035175
   PubMed Web of Science ®Google Scholar
• Schmidt, T. T., Ostwald, D., & Blankenburg, F. (2014). Imaging tactile imagery: Changes in brain connectivity support perceptual grounding of mental images in primary sensory cortices. NeuroImage, 98, 216–224. doi:10.1016/j.neuroimage2014.05.014
   PubMed Web of Science ®Google Scholar
• Serino, A., Giovagnoli, G., & Ladavas, E. (2009). I feel what you feel if you are similar to me. PLoS One, 4(3), 7. doi:10.1371/journal.pone.0004930
   Web of Science ®Google Scholar
• Serino, A., Pizzoferrato, F., & Làdavas, E. (2008). Viewing a face (especially one’s own face) being touched enhances tactile perception on the face. Psychological Science, 19, 434–438. doi:10.1111/j.1467-9280.2008.02105.x
   PubMed Web of Science ®Google Scholar
• Simner, J. (2012). Defining synaesthesia. British Journal of Psychology, 103, 1–15. doi:10.1348/000712610X528305
   PubMed Web of Science ®Google Scholar
• Sinke, C., Neufeld, J., Zedler, M., Emrich, H. M., Bleich, S., Münte, T. F., & Szycik, G. R. (2014). Reduced audiovisual integration in synesthesia evidence from bimodal speech perception. Journal of Neuropsychology, 8(1), 94–106. doi:10.1111/jnp.12006
   PubMed Web of Science ®Google Scholar
• Sowden, S., & Shah, P. (2014). Self-other control: A candidate mechanism for social cognitive function. Frontiers in Human Neuroscience, 8. doi:10.3389/fnhum.2014.00789
   PubMed Web of Science ®Google Scholar
• Spence, C. (2011). Crossmodal correspondences: A tutorial review. Attention Perception & Psychophysics, 73(4), 971–995. doi:10.3758/s13414-010-0073-7
   PubMed Web of Science ®Google Scholar
• Spengler, S., Von Cramon, D. Y., & Brass, M. (2009). Control of shared representations relies on key processes involved in mental state attribution. Human Brain Mapping, 30(11), 3704–3718. doi:10.1002/hbm.20800
   PubMed Web of Science ®Google Scholar
• Terhune, D. B., Tai, S., Cowey, A., Popescu, T., & Kadosh, R. C. (2011). Enhanced cortical excitability in grapheme-color synesthesia and its modulation. Current Biology, 21(23), 2006–2009. doi:10.1016/j.cub.2011.10.032
   PubMed Web of Science ®Google Scholar
• Tsakiris, M. (2008). Looking for myself: Current multisensory input alters self-face recognition. PLoS One, 3, 12. doi:10.1371/journal.pone.0004040
   Web of Science ®Google Scholar
• Tsakiris, M., Carpenter, L., James, D., & Fotopoulou, A. (2010). Hands only illusion: multisensory integration elicits sense of ownership for body parts but not for non-corporeal objects. Experimental Brain Research, 204(3), 343–352. doi:10.1007/s00221-009-2039-3
   PubMed Web of Science ®Google Scholar
• Tsakiris, M., & Haggard, P. (2005). The Rubber Hand Illusion revisited: Visuotactile integration and self-attribution. Journal of Experimental Psychology: Human Perception and Performance, 31, 80–91.
   PubMed Web of Science ®Google Scholar
• Tsakiris, M., Prabhu, G., & Haggard, P. (2006). Having a body versus moving your body: How agency structures body-ownership. Consciousness and Cognition, 15(2), 423–432. doi:10.1016/j.concog.2005.09.004
   PubMed Web of Science ®Google Scholar
• Vandenbroucke, S., Crombez, G., Van Ryckeghem, D. M. L., Brass, M., Van Damme, S., & Goubert, L. (2013). Vicarious pain while observing another in pain: An experimental approach. Frontiers in Human Neuroscience, 7, 265. doi:10.3389/fnhum.2013.00265
   PubMed Web of Science ®Google Scholar
• Wang, X., Gu, X., Fan, J., Wang, S., Zhao, F., Hof, P. R., & Gao, Z. (2014). Recovery of empathetic function following resection of insular gliomas. Journal of Neuro-Oncology, 117(2), 269–277. doi:10.1007/s11060-014-1380-y
   PubMed Web of Science ®Google Scholar
• Ward, J. (2013). Synesthesia. Annual Review of Psychology, 64, 49–75. doi:10.1146/annurev-psych-113011-143840
   PubMed Web of Science ®Google Scholar
• Ward, J., Burckhardt, V., & Holle, H. (2013). Contagious scratching: Shared feelings but not shared body locations. Frontiers in Human Neuroscience, 7. doi:10.3389/fnhum.2013.00122
   Web of Science ®Google Scholar
• White, R. C., & Davies, A. M. A. (2012). Specular vision-touch synaesthesia: Two reference frames. Perception, 41(7), 871–874. doi:10.1068/p7182
   PubMed Web of Science ®Google Scholar
• Woolf, C. J. (2011). Central sensitization: Implications for the diagnosis and treatment of pain. Pain, 152, S2–S15. doi:10.1016/j.pain.2010.09.030
   PubMed Web of Science ®Google Scholar