Geoffrey Boynton

Phone: (206) 685-6493

Office: GTH 233A

Email: gboynton "at"

CV: GeoffreyBoynton_CV.pdf

My primary focus is on top-down influences on visual processing, such as visual attention, as measured with fMRI and psychophysical methods. Other interests include how the visual system summarizes statistical properties of a scene, visual prosthetics, and computational models of visual processing.

Graduate Students

Kelly Chang, Sonya Mehta, James Moreland, Miranda Petty


Michael Beyeler, Alex White


Paola Binda, Zachary Ernst, Bjorn Hubert-Wallander, Jeffrey Lin, Jessica Thomas


Beyeler M., Rokem A., Boynton G. and Fine I. (2017). Learning to see again: biological constraints on cortical plasticity and the implications for sight restoration technologies. J Neural Eng, . | Reprint 1.44MB pdf |

White A.L., Runeson E., Palmer J., Ernst Z.R. and Boynton G.M. (2017). Evidence for unlimited capacity processing of simple features in visual cortex. J Vis, 17(6), 19. | Reprint 626KB pdf |

Moreland J.C. and Boynton G.M. (2017). A neurophysiological explanation for biases in visual localization. Atten Percept Psychophys, 79(2), 553-562. | Reprint 1.09MB pdf |

Jiang F., Stecker G.C., Boynton G.M. and Fine I. (2016). Early Blindness Results in Developmental Plasticity for Auditory Motion Processing within Auditory and Occipital Cortex. Front Hum Neurosci, 10, 324. | Reprint 2.20MB pdf |

Thomas J.M., Huber E., Stecker G.C., Boynton G.M., Saenz M. and Fine I. (2015). Population receptive field estimates of human auditory cortex. Neuroimage, 105, 428-39. | Reprint 2.10MB pdf |

Hubert-Wallander B. and Boynton G.M. (2015). Not all summary statistics are made equal: Evidence from extracting summaries across time. J Vis, 15, 5. | Reprint 368KB pdf |

Huber E., Webster J.M., Brewer A.A., MacLeod D.I., Wandell B.A., Boynton G.M., Wade A.R. and Fine I. (2015). A lack of experience-dependent plasticity after more than a decade of recovered sight. Psychol Sci, 26(4), 393-401. | Reprint 867KB pdf |

Fine I. and Boynton G.M. (2015). Pulse trains to percepts: the challenge of creating a perceptually intelligible world with sight recovery technologies. Philos Trans R Soc Lond B Biol Sci, 370(1677), 20140208. | Reprint 1.21MB pdf |

Runeson E., Boynton G.M. and Murray S.O. (2013). Effects of task and attentional selection on responses in human visual cortex. J Neurophysiol, 109(10), 2606-17. | Reprint 197KB pdf |

Ernst Z.R., Boynton G.M. and Jazayeri M. (2013). The spread of attention across features of a surface. J Neurophysiol, 110(10), 2426-39. | Reprint 423KB pdf |

Bock A.S., Saenz M., Tungaraza R., Boynton G.M., Bridge H. and Fine I. (2013). Visual callosal topography in the absence of retinal input. Neuroimage, 81, 325-34. | Reprint 984KB pdf |

Binda P., Thomas J.M., Boynton G.M. and Fine I. (2013). Minimizing biases in estimating the reorganization of human visual areas with BOLD retinotopic mapping. J Vis, 13(7), 13. | Reprint 887KB pdf |

Nanduri D., Fine I., Horsager A., Boynton G.M., Humayun M.S., Greenberg R.J. and Weiland J.D. (2012). Frequency and amplitude modulation have different effects on the percepts elicited by retinal stimulation. Invest Ophthalmol Vis Sci, 53(1), 205-14. | Reprint 1.47MB pdf |

Joo S.J., Boynton G.M. and Murray S.O. (2012). Long-range, pattern-dependent contextual effects in early human visual cortex. Curr Biol, 22(9), 781-6. | Reprint 400KB pdf |

Ernst Z.R., Palmer J. and Boynton G.M. (2012). Dividing attention between two transparent motion surfaces results in a failure of selective attention. J Vis, 12(12). | Reprint 682KB pdf |

Boynton G.M., Engel S.A. and Heeger D.J. (2012). Linear systems analysis of the fMRI signal. Neuroimage, 62(2), 975-84. | Reprint 933KB pdf |

Lin J.Y., Hubert-Wallander B., Murray S.O. and Boynton G.M. (2011). Rapid and reflexive feature-based attention. J Vis, 11(12). | Reprint 1.06MB pdf |

Horsager A., Boynton G.M., Greenberg R.J. and Fine I. (2011). Temporal interactions during paired-electrode stimulation in two retinal prosthesis subjects. Invest Ophthalmol Vis Sci, 52(1), 549-57. | Reprint 860KB pdf |

Ciaramitaro V.M., Mitchell J.F., Stoner G.R., Reynolds J.H. and Boynton G.M. (2011). Object-based attention to one of two superimposed surfaces alters responses in human early visual cortex. J Neurophysiol, 105(3), 1258-65. | Reprint 294KB pdf |

Boynton G.M. (2011). Spikes, BOLD, attention, and awareness: a comparison of electrophysiological and fMRI signals in V1. J Vis, 11(5), 12. | Reprint 774KB pdf |

Lin J.Y., Pype A.D., Murray S.O. and Boynton G.M. (2010). Enhanced memory for scenes presented at behaviorally relevant points in time. PLoS Biol, 8, e1000337. | Reprint 701KB pdf |

Lin J.Y., Murray S.O. and Boynton G.M. (2009). Capture of attention to threatening stimuli without perceptual awareness. Curr Biol, 19, 1118-22. | Reprint 217KB pdf |

Horsager A., Greenwald S.H., Weiland J.D., Humayun M.S., Greenberg R.J., McMahon M.J., Boynton G.M. and Fine I. (2009). Predicting visual sensitivity in retinal prosthesis patients. Invest Ophthalmol Vis Sci, 50(4), 1483-91. | Reprint 460KB pdf |

Boynton G.M. (2009). A framework for describing the effects of attention on visual responses. Vision Res, 49(10), 1129-43. | Reprint 545KB pdf |

Ng M., Boynton G.M. and Fine I. (2008). Face adaptation does not improve performance on search or discrimination tasks. J Vis, 8(1), 1 1-20. | Reprint 2.34MB pdf |

Mednick S.C., Drummond S.P., Boynton G.M., Awh E. and Serences J. (2008). Sleep-dependent learning and practice-dependent deterioration in an orientation discrimination task. Behav Neurosci, 122, 267-72. | Reprint 709KB pdf |

Mednick S.C., Drummond S.P., Arman A.C. and Boynton G.M. (2008). Perceptual deterioration is reflected in the neural response: fMRI study of nappers and non-nappers. Perception, 37, 1086-97. | Reprint 245KB pdf |

Serences J.T. and Boynton G.M. (2007). Feature-based attentional modulations in the absence of direct visual stimulation. Neuron, 55(2), 301-12. | Reprint 952KB pdf |

Serences J.T. and Boynton G.M. (2007). The representation of behavioral choice for motion in human visual cortex. J Neurosci, 27(47), 12893-9. | Reprint 308KB pdf |

Duncan R.O. and Boynton G.M. (2007). Tactile hyperacuity thresholds correlate with finger maps in primary somatosensory cortex (S1). Cereb Cortex, 17(12), 2878-91. | Reprint 771KB pdf |

Ciaramitaro V.M., Buracas G.T. and Boynton G.M. (2007). Spatial and cross-modal attention alter responses to unattended sensory information in early visual and auditory human cortex. J Neurophysiol, 98(4), 2399-413. | Reprint 350KB pdf |

Buracas G.T. and Boynton G.M. (2007). The effect of spatial attention on contrast response functions in human visual cortex. J Neurosci, 27(1), 93-7. | Reprint 153KB pdf |

Ng M., Ciaramitaro V.M., Anstis S., Boynton G.M. and Fine I. (2006). Selectivity for the configural cues that identify the gender, ethnicity, and identity of faces in human cortex. Proc Natl Acad Sci U S A, 103, 19552-7. | Reprint 299KB pdf |

Krekelberg B., Boynton G.M. and van Wezel R.J. (2006). Adaptation: from single cells to BOLD signals. Trends Neurosci, 29(5), 250-6. | Reprint 3.68MB pdf |

Boynton G.M., Ciaramitaro V.M. and Arman A.C. (2006). Effects of feature-based attention on the motion aftereffect at remote locations. Vision Res, 46(18), 2968-76. | Reprint 239KB pdf |

Mednick S.C., Arman A.C. and Boynton G.M. (2005). The time course and specificity of perceptual deterioration. Proc Natl Acad Sci U S A, 102(10), 3881-5. | Reprint 294KB pdf |

Hubbard E.M., Arman A.C., Ramachandran V.S. and Boynton G.M. (2005). Individual differences among grapheme-color synesthetes: brain-behavior correlations. Neuron, 45(6), 975-85. | Reprint 353KB pdf |

Fine I., Finney E.M., Boynton G.M. and Dobkins K.R. (2005). Comparing the effects of auditory deprivation and sign language within the auditory and visual cortex. J Cogn Neurosci, 17(10), 1621-37. | Reprint 1.04MB pdf |

Buracas G.T., Fine I. and Boynton G.M. (2005). The relationship between task performance and functional magnetic resonance imaging response. J Neurosci, 25(12), 3023-31. | Reprint 365KB pdf |

Boynton G.M. (2005). Imaging orientation selectivity: decoding conscious perception in V1. Nat Neurosci, 8(5), 541-2. | Reprint 174KB pdf |

Boynton G.M. (2005). Attention and visual perception. Curr Opin Neurobiol, 15(4), 465-9. | Reprint 111KB pdf |

Boynton G.M. (2005). Contrast gain in the brain. Neuron, 47(4), 476-7. | Reprint 60KB pdf |

Fine I., Anderson C.M., Boynton G.M. and Dobkins K.R. (2004). The invariance of directional tuning with contrast and coherence. Vision Res, 44(9), 903-13. | Reprint 342KB pdf |

Boynton G.M. and Hegde J. (2004). Visual cortex: the continuing puzzle of area V2. Curr Biol, 14(13), R523-4. | Reprint 176KB pdf |

Boynton G.M. (2004). Adaptation and attentional selection. Nat Neurosci, 7(1), 8/10/2016. | Reprint 112KB pdf |

Saenz M., Buracas G.T. and Boynton G.M. (2003). Global feature-based attention for motion and color. Vision Res, 43(6), 629-37. | Reprint 198KB pdf |

Fine I., Wade A.R., Brewer A.A., May M.G., Goodman D.F., Boynton G.M., Wandell B.A. and MacLeod D.I. (2003). Long-term deprivation affects visual perception and cortex. Nat Neurosci, 6(9), 915-6. | Reprint 378KB pdf |

Fine I., MacLeod D.I. and Boynton G.M. (2003). Surface segmentation based on the luminance and color statistics of natural scenes. J Opt Soc Am A Opt Image Sci Vis, 20(7), 1283-91. | Reprint 462KB pdf |

Duncan R.O. and Boynton G.M. (2003). Cortical magnification within human primary visual cortex correlates with acuity thresholds. Neuron, 38(4), 659-71. | Reprint 284KB pdf |

Boynton G.M. and Finney E.M. (2003). Orientation-specific adaptation in human visual cortex. J Neurosci, 23(25), 8781-7. | Reprint 268KB pdf |

Saenz M., Buracas G.T. and Boynton G.M. (2002). Global effects of feature-based attention in human visual cortex. Nat Neurosci, 5(7), 631-2. | Reprint 256KB pdf |

Buracas G.T. and Boynton G.M. (2002). Efficient design of event-related fMRI experiments using M-sequences. Neuroimage, 16, 801-13. | Reprint 164KB pdf |

Boynton G.M. (2002). Color vision: how the cortex represents color. Curr Biol, 12(24), R838-40. | Reprint 116KB pdf |

Wandell B.A., Poirson A.B., Newsome W.T., Baseler H.A., Boynton G.M., Huk A., Gandhi S. and Sharpe L.T. (1999). Color signals in human motion-selective cortex. Neuron, 24(4), 901-9. | Reprint 223KB pdf |

Heeger D.J., Boynton G.M., Demb J.B., Seidemann E. and Newsome W.T. (1999). Motion opponency in visual cortex. J Neurosci, 19(16), 7162-74. | Reprint 284KB pdf |

Gandhi S.P., Heeger D.J. and Boynton G.M. (1999). Spatial attention affects brain activity in human primary visual cortex. Proc Natl Acad Sci U S A, 96(6), 3314-9. | Reprint 141KB pdf |

Boynton G.M. and Foley J.M. (1999). Temporal sensitivity of human luminance pattern mechanisms determined by masking with temporally modulated stimuli. Vision Res, 39(9), 1641-56. | Reprint 313KB pdf |

Boynton G.M., Demb J.B., Glover G.H. and Heeger D.J. (1999). Neuronal basis of contrast discrimination. Vision Res, 39(2), 257-69. | Reprint 181KB pdf |

Demb J.B., Boynton G.M. and Heeger D.J. (1998). Functional magnetic resonance imaging of early visual pathways in dyslexia. J Neurosci, 18(17), 6939-51. | Reprint 434KB pdf |

Demb J.B., Boynton G.M., Best M. and Heeger D.J. (1998). Psychophysical evidence for a magnocellular pathway deficit in dyslexia. Vision Res, 38(11), 1555-9. | Reprint 87KB pdf |

Demb J.B., Boynton G.M. and Heeger D.J. (1997). Brain activity in visual cortex predicts individual differences in reading performance. Proc Natl Acad Sci U S A, 94, 13363-6. | Reprint 155KB pdf |

Boynton G.M., Engel S.A., Glover G.H. and Heeger D.J. (1996). Linear systems analysis of functional magnetic resonance imaging in human V1. J Neurosci, 16(13), 4207-21. | Reprint 495KB pdf |

Foley J.M. and Boynton G.M. (1993). Forward pattern masking and adaptation: effects of duration, interstimulus interval, contrast, and spatial and temporal frequency. Vision Res, 33(7), 959-80. | Reprint 2.79MB pdf |