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Oberman, L.M., McCleery, J.P., Hubbard, E.M., Bernier, R. Wiersema, J.R., Raymaekers, R. & Pineda, J.A. (in press). Developmental changes in mu suppression to observed and executed actions in autism spectrum disorders. Social Cognitive and Affective Neuroscience. doi:10.1093/scan/nsr097. 

Hubbard, E.M., Brang, D. & Ramachandran. V.S. (2011). The cross-activation theory at 10Journal of Neuropsychology. 5(2):152-177. (doi:10.1111/j.1748-6653.2011.02014).

Viarouge, A., Hubbard, E. M., Dehaene, S. & Sackur, J. (2010). Number line compression and the illusory perception of random numbers. Experimental Psychology. 57(6):446-454. (doi:10.1027/1618-3169/a000055)

Brang, D., Hubbard, E.M., Coulson, S., Huang, M. & Ramachandran, V.S. (2010). Magnetoencepalography reveals early activation of V4 in grapheme-color synesthesia. Neuroimage. 53(1):268–274 (doi:10.1016/j.neuroimage.2010.06.008).

Williams, L.E., Light, G.A., Hubbard, E.M., Braff, D.L. & Ramachandran,V.S. (2010). Superior size-weight illusion performance in patients with schizophrenia: Evidence for deficits in forward models. Schizophrenia Research. 121(1-3):101-106 (doi:10.1016/j.schres.2009.10.021).

Supplementary Materials

Bertelletti, I., Hubbard, E.M. & Zorzi, M. (2010). Implicit versus explicit interference effects in a number-color synesthete. Cortex  46(2): 170–177 (doi:10.1016/j.cortex.2008.12.009).

Hubbard, E.M., Ranzini, M., Piazza, M. & Dehaene, S. (2009). What information is critical to elicit interference in number-form synesthesia? Cortex: Special Section on Synaesthesia and Visuo-spatial Forms, 45(10):1200-1216 (doi:10.1016/j.cortex.2009.06.011).

Ranzini, M., Dehaene, S., Piazza, M. & Hubbard, E.M. (2009). Neural mechanisms of attentional shifts due to irrelevant spatial and numerical cues. Neuropsychologia, 47(12):2615-2624 (doi:10.1016/j.neuropsychologia.2009.05.011).

Knops, A., Thirion, B., Hubbard, E.M., Michel, V. & Dehaene, S. (2009). Recruitment of an area involved in eye movements during mental arithmetic. Science, 324(5934):1583–1585 (doi:10.1126/science.1171599).

Supplementary Materials

Hubbard, E. M., Piazza, M., Pinel, P. & Dehaene, S. (2009). Numerical and spatial intuitions: A role for posterior parietal cortex? in L. Tommasi, L. Nadel and M.A. Peterson (Eds.) Cognitive Biology: Evolutionary and Developmental Perspectives on Mind, Brain and Behavior. (pp. 221–246). Cambridge, MA: MIT Press.

Hubbard, E.M., Diester, I., Cantlon, J.F., Ansari, D., van Opstal, F. & Troiani, V. (2008) The evolution of numerical cognition: from number neurons to linguistic quantifiers. Journal of Neuroscience, 28(46):11819–11824 (doi:10.1523/jneurosci.3808-08.2008).

Hubbard, E.M. (2008). Synaesthesia: The sounds of moving patterns. Current Biology, 18(15):R657-R659 (doi: 10.1016/j.cub.2008.06.035).

This is a Dispatch on Saenz and Koch (2008). The sound of change: visually induced auditory synesthesia Current Biology, 18(15): R650-R651 in which they identified a previously unreported form of synesthesia in which visual motion elicits auditory percepts.  In this Dispatch, I discuss the implications of these findings for our understanding of the mechanisms whereby the brain integrates sight and sound more broadly.

Hubbard, E.M. (2007). A real red letter day. Nature Neuroscience. 10(6):671-672 (doi: 10.1038/nn0607-671).

This is a News and Views on Rouw and Scholte (2007). Increased structural connectivity in grapheme-color synesthesia. Nature Neuroscience, 10(6):792 - 797. They used diffusion tensor imaging to demonstrate increased connectivity underlies synesthetic experiences, and individual differences between synesthetes, nicely confirming a number of our predictions (see e.g., Hubbard and Ramachandran, 2005; Ramachandran and Hubbard, 2001, below).

Hubbard, E.M. (2007). Neurophysiology of synesthesia. Current Psychiatry Reports. 9(3): 193-199 (10.1007/s11920-007-0018-6).

Simner, J. & Hubbard, E.M. (2006) Variants of synesthesia interact in cognitive tasks: Evidence for implicit associations and late connectivity in cross-talk theories. Neuroscience, 143(3):805-814 (doi:10.1016/j.neuroscience.2006.08.018).

Thirion, B., Duchesnay, E., Hubbard, E.M., Dubois, J., Poline, J.-B., Lebihan, D. & Dehaene, S. (2006). Inverse retinotopy: Inferring the visual content of images from brain activation patterns. Neuroimage. 33(4):1104-1116 (10.1016/j.neuroimage.2006.06.062).

Hubbard, E.M., Manohar, S. & Ramachandran, V.S. (2006). Contrast affects the strength of synesthetic colors. Cortex: Special Issue on Synesthesia (Jason Mattingley and Jamie Ward, Eds.), 42(2): 184-194 (doi:10.1016/S0010-9452(08)70343-5).

Hubbard, E.M. & Ramachandran, V.S. (2005) Neurocognitive mechanisms of synesthesia. Neuron, 48(3): 509-520 (doi:10.1016/j.neuron.2005.10.012).

Hubbard, E.M., Piazza, M. Pinel, P. & Dehaene, S. (2005). Interactions between numbers and space in parietal cortex. Nature Reviews Neuroscience, 6(6): 435-448. (doi:10.1038/nrn1684)

Hubbard, E.M., Arman, A.C., Ramachandran, V.S. & Boynton, G.M. (2005). Individual differences among grapheme-color synesthetes: Brain-behavior correlations. Neuron, 45(6): 975-985 (doi:10.1016/j.neuron.2005.02.008).

Supplementary Materials

Also see the very nice commentary on our findings by Mike Dixon and Dan Smilek.The importance of individual differences in grapheme-color synesthesia. Neuron,45(6):821-823.

Secondary summaries of our work have appeared in Nature Reviews Neuroscience, Lancet Neurology and Clinical Neurology News

Ramachandran, V.S. & Hubbard, E.M. (2005). Hearing colors, tasting shapes. Scientific American Mind, 16-23.

Oberman, L.M., Hubbard, E.M., McCleery, J.P. Altschuler, E.L., Ramachandran, V.S. & Pineda, J.A. (2005). EEG evidence for mirror neuron dysfunction in autism spectrum disorders. Cognitive Brain Research, 24(2): 190-198. (doi:10.1016/j.cogbrainres.2005.01.014)

Hubbard, E.M. & Ramachandrdan, V.S. (2004). The size-weight illusion, emulation, and the cerebellum. Behavioral and Brain Sciences, 27(3): 407-408 (doi: 10.1017/S0140525X04320091). 

This is a a commentary on Grush, R. (2004). The emulation theory of representation: Motor control, imagery, and perception. Behavioral and Brain Sciences.  

Ramachandran, V.S. & Hubbard, E.M. (2003). The phenomenology of synaesthesia. Journal of Consciousness Studies, 10(8): 49–57.

Hubbard, E.M. & Ramachandran, V.S. (2003). Refining the experimental lever: A reply to Shannnon and Pribram.Journal of Consciousness Studies,9(3):77-84.

This article is a reply to two commentaries on our original JCS paper, Synesthesia: A window into perception thought and language (see below). For the original commentaries, see Shannon Commentary and Pribram Commentary.

Ramachandran, V.S. & Hubbard, E.M. (2003). Hearing colors, tasting shapes. Scientific American, 52-59.

Hubbard, E.M. (2003) A discussion and review of Uttal (2001)Cognitive Science Online,1(1):22-33.

Ramachandran, V.S. & Hubbard, E.M. (2001b). Synaesthesia: A window into perception, thought and languageJournal of Consciousness Studies, 8(12), 3 - 34.

Ramachandran, V.S. & Hubbard, E.M. (2001a).  Psychophysical investigations into the neural basis of synaesthesiaProceedings of the Royal Society of London, B,268, 979-983 (10.1098/rspb.2000.1576).

Anderson, D.I, Hubbard, E.M., Campos, J.J, Barbu-Roth, M.A., Witherington, D. & Hertenstein, M.J. (2000). Probabilistic epigenesis, experience, and psychological development in infancy. Infancy. 1(2), 245-251 (doi: 10.1207/S15327078IN0102_6).

Campos, J.J., Anderson, D.I, Barbu-Roth, M.A., Hubbard, E.M., Hertenstein, M.J, & Witherington, M. (2000) Travel broadens the mind. Infancy, 1(2): 149-219 (doi: 10.1207/S15327078IN0102_1).